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Commit a49520cb authored by James Simmons's avatar James Simmons
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Merge maxwell.earthlink.net:/usr/src/linus-2.5 

into maxwell.earthlink.net:/usr/src/fbdev-2.5
parents beecec57 29ceefc7
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Showing with 487 additions and 309 deletions
fs/nfs/nfs2xdr.c
View file @ a49520cb
......@@ -233,6 +233,7 @@ nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args)
static int
nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
{
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct iovec *iov = req->rq_rvec;
int status, count, recvd, hdrlen;
......@@ -241,25 +242,33 @@ nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
p = xdr_decode_fattr(p, res->fattr);
count = ntohl(*p++);
res->eof = 0;
if (rcvbuf->page_len) {
u32 end = page_offset(rcvbuf->pages[0]) + rcvbuf->page_base + count;
if (end >= res->fattr->size)
res->eof = 1;
}
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len > hdrlen) {
if (iov->iov_len < hdrlen) {
printk(KERN_WARNING "NFS: READ reply header overflowed:"
"length %d > %d\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READ header is short. iovec will be shifted.\n");
xdr_shift_buf(&req->rq_rcv_buf, iov->iov_len - hdrlen);
}
recvd = req->rq_rlen - hdrlen;
recvd = req->rq_received - hdrlen;
if (count > recvd) {
printk(KERN_WARNING "NFS: server cheating in read reply: "
"count %d > recvd %d\n", count, recvd);
count = recvd;
res->eof = 0;
}
dprintk("RPC: readres OK count %d\n", count);
if (count < res->count) {
if (count < res->count)
res->count = count;
res->eof = 1; /* Silly NFSv3ism which can't be helped */
} else
res->eof = 0;
return count;
}
......@@ -384,7 +393,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct iovec *iov = rcvbuf->head;
struct page **page;
int hdrlen;
int hdrlen, recvd;
int status, nr;
unsigned int len, pglen;
u32 *end, *entry;
......@@ -393,17 +402,24 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
return -nfs_stat_to_errno(status);
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len > hdrlen) {
if (iov->iov_len < hdrlen) {
printk(KERN_WARNING "NFS: READDIR reply header overflowed:"
"length %d > %d\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READDIR header is short. iovec will be shifted.\n");
xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen);
}
pglen = rcvbuf->page_len;
recvd = req->rq_received - hdrlen;
if (pglen > recvd)
pglen = recvd;
page = rcvbuf->pages;
p = kmap(*page);
end = (u32 *)((char *)p + pglen);
entry = p;
for (nr = 0; *p++; nr++) {
entry = p - 1;
if (p + 2 > end)
goto short_pkt;
p++; /* fileid */
......@@ -416,14 +432,21 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
}
if (p + 2 > end)
goto short_pkt;
entry = p;
}
if (!nr)
goto short_pkt;
out:
kunmap(*page);
return nr;
short_pkt:
printk(KERN_NOTICE "NFS: short packet in readdir reply!\n");
entry[0] = entry[1] = 0;
kunmap(*page);
return nr;
/* truncate listing ? */
if (!nr) {
printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
entry[1] = 1;
}
goto out;
err_unmap:
kunmap(*page);
return -errno_NFSERR_IO;
......
fs/nfs/nfs3xdr.c
View file @ a49520cb
......@@ -504,7 +504,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res)
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct iovec *iov = rcvbuf->head;
struct page **page;
int hdrlen;
int hdrlen, recvd;
int status, nr;
unsigned int len, pglen;
u32 *entry, *end;
......@@ -523,17 +523,24 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res)
}
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len > hdrlen) {
if (iov->iov_len < hdrlen) {
printk(KERN_WARNING "NFS: READDIR reply header overflowed:"
"length %d > %d\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READDIR header is short. iovec will be shifted.\n");
xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen);
}
pglen = rcvbuf->page_len;
recvd = req->rq_received - hdrlen;
if (pglen > recvd)
pglen = recvd;
page = rcvbuf->pages;
p = kmap(*page);
end = (u32 *)((char *)p + pglen);
entry = p;
for (nr = 0; *p++; nr++) {
entry = p - 1;
if (p + 3 > end)
goto short_pkt;
p += 2; /* inode # */
......@@ -570,15 +577,21 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res)
if (p + 2 > end)
goto short_pkt;
entry = p;
}
if (!nr)
goto short_pkt;
out:
kunmap(*page);
return nr;
short_pkt:
printk(KERN_NOTICE "NFS: short packet in readdir reply!\n");
/* truncate listing */
entry[0] = entry[1] = 0;
kunmap(*page);
return nr;
/* truncate listing ? */
if (!nr) {
printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
entry[1] = 1;
}
goto out;
err_unmap:
kunmap(*page);
return -errno_NFSERR_IO;
......@@ -793,16 +806,21 @@ nfs3_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
}
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len > hdrlen) {
if (iov->iov_len < hdrlen) {
printk(KERN_WARNING "NFS: READ reply header overflowed:"
"length %d > %d\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READ header is short. iovec will be shifted.\n");
xdr_shift_buf(&req->rq_rcv_buf, iov->iov_len - hdrlen);
}
recvd = req->rq_rlen - hdrlen;
recvd = req->rq_received - hdrlen;
if (count > recvd) {
printk(KERN_WARNING "NFS: server cheating in read reply: "
"count %d > recvd %d\n", count, recvd);
count = recvd;
res->eof = 0;
}
if (count < res->count)
......
fs/nfs/read.c
View file @ a49520cb
......@@ -424,9 +424,14 @@ nfs_readpage_result(struct rpc_task *task)
memset(p + count, 0, PAGE_CACHE_SIZE - count);
kunmap(page);
count = 0;
} else
if (data->res.eof)
SetPageUptodate(page);
else
SetPageError(page);
} else {
count -= PAGE_CACHE_SIZE;
SetPageUptodate(page);
}
} else
SetPageError(page);
flush_dcache_page(page);
......
fs/romfs/inode.c
View file @ a49520cb
......@@ -83,6 +83,12 @@ struct romfs_inode_info {
struct inode vfs_inode;
};
/* instead of private superblock data */
static inline unsigned long romfs_maxsize(struct super_block *sb)
{
return (unsigned long)sb->u.generic_sbp;
}
static inline struct romfs_inode_info *ROMFS_I(struct inode *inode)
{
return list_entry(inode, struct romfs_inode_info, vfs_inode);
......@@ -113,7 +119,6 @@ static int romfs_fill_super(struct super_block *s, void *data, int silent)
/* I would parse the options here, but there are none.. :) */
sb_set_blocksize(s, ROMBSIZE);
s->u.generic_sbp = (void *) 0;
s->s_maxbytes = 0xFFFFFFFF;
bh = sb_bread(s, 0);
......@@ -139,7 +144,7 @@ static int romfs_fill_super(struct super_block *s, void *data, int silent)
}
s->s_magic = ROMFS_MAGIC;
s->u.romfs_sb.s_maxsize = sz;
s->u.generic_sbp = (void *)sz;
s->s_flags |= MS_RDONLY;
......@@ -175,7 +180,7 @@ romfs_statfs(struct super_block *sb, struct statfs *buf)
buf->f_type = ROMFS_MAGIC;
buf->f_bsize = ROMBSIZE;
buf->f_bfree = buf->f_bavail = buf->f_ffree;
buf->f_blocks = (sb->u.romfs_sb.s_maxsize+ROMBSIZE-1)>>ROMBSBITS;
buf->f_blocks = (romfs_maxsize(sb)+ROMBSIZE-1)>>ROMBSBITS;
buf->f_namelen = ROMFS_MAXFN;
return 0;
}
......@@ -188,7 +193,7 @@ romfs_strnlen(struct inode *i, unsigned long offset, unsigned long count)
struct buffer_head *bh;
unsigned long avail, maxsize, res;
maxsize = i->i_sb->u.romfs_sb.s_maxsize;
maxsize = romfs_maxsize(i->i_sb);
if (offset >= maxsize)
return -1;
......@@ -230,7 +235,7 @@ romfs_copyfrom(struct inode *i, void *dest, unsigned long offset, unsigned long
struct buffer_head *bh;
unsigned long avail, maxsize, res;
maxsize = i->i_sb->u.romfs_sb.s_maxsize;
maxsize = romfs_maxsize(i->i_sb);
if (offset >= maxsize || count > maxsize || offset+count>maxsize)
return -1;
......@@ -276,7 +281,7 @@ romfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
lock_kernel();
maxoff = i->i_sb->u.romfs_sb.s_maxsize;
maxoff = romfs_maxsize(i->i_sb);
offset = filp->f_pos;
if (!offset) {
......@@ -339,7 +344,7 @@ romfs_lookup(struct inode *dir, struct dentry *dentry)
if (romfs_copyfrom(dir, &ri, offset, ROMFH_SIZE) <= 0)
goto out;
maxoff = dir->i_sb->u.romfs_sb.s_maxsize;
maxoff = romfs_maxsize(dir->i_sb);
offset = ntohl(ri.spec) & ROMFH_MASK;
/* OK, now find the file whose name is in "dentry" in the
......
fs/ufs/balloc.c
View file @ a49520cb
......@@ -47,7 +47,7 @@ void ufs_free_fragments (struct inode * inode, unsigned fragment, unsigned count
unsigned cgno, bit, end_bit, bbase, blkmap, i, blkno, cylno;
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
UFSD(("ENTER, fragment %u, count %u\n", fragment, count))
......@@ -89,7 +89,7 @@ void ufs_free_fragments (struct inode * inode, unsigned fragment, unsigned count
fs32_add(sb, &ucg->cg_cs.cs_nffree, count);
fs32_add(sb, &usb1->fs_cstotal.cs_nffree, count);
fs32_add(sb, &sb->fs_cs(cgno).cs_nffree, count);
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
blkmap = ubh_blkmap (UCPI_UBH, ucpi->c_freeoff, bbase);
ufs_fragacct(sb, blkmap, ucg->cg_frsum, 1);
......@@ -100,12 +100,12 @@ void ufs_free_fragments (struct inode * inode, unsigned fragment, unsigned count
if (ubh_isblockset(UCPI_UBH, ucpi->c_freeoff, blkno)) {
fs32_sub(sb, &ucg->cg_cs.cs_nffree, uspi->s_fpb);
fs32_sub(sb, &usb1->fs_cstotal.cs_nffree, uspi->s_fpb);
fs32_sub(sb, &sb->fs_cs(cgno).cs_nffree, uspi->s_fpb);
if ((sb->u.ufs_sb.s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, uspi->s_fpb);
if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
ufs_clusteracct (sb, ucpi, blkno, 1);
fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
fs32_add(sb, &usb1->fs_cstotal.cs_nbfree, 1);
fs32_add(sb, &sb->fs_cs(cgno).cs_nbfree, 1);
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1);
cylno = ufs_cbtocylno (bbase);
fs16_add(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(bbase)), 1);
fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
......@@ -141,7 +141,7 @@ void ufs_free_blocks (struct inode * inode, unsigned fragment, unsigned count) {
unsigned overflow, cgno, bit, end_bit, blkno, i, cylno;
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
UFSD(("ENTER, fragment %u, count %u\n", fragment, count))
......@@ -184,13 +184,13 @@ void ufs_free_blocks (struct inode * inode, unsigned fragment, unsigned count) {
ufs_error(sb, "ufs_free_blocks", "freeing free fragment");
}
ubh_setblock(UCPI_UBH, ucpi->c_freeoff, blkno);
if ((sb->u.ufs_sb.s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
ufs_clusteracct (sb, ucpi, blkno, 1);
DQUOT_FREE_BLOCK(inode, uspi->s_fpb);
fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
fs32_add(sb, &usb1->fs_cstotal.cs_nbfree, 1);
fs32_add(sb, &sb->fs_cs(cgno).cs_nbfree, 1);
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1);
cylno = ufs_cbtocylno(i);
fs16_add(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(i)), 1);
fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1);
......@@ -247,7 +247,7 @@ unsigned ufs_new_fragments (struct inode * inode, u32 * p, unsigned fragment,
UFSD(("ENTER, ino %lu, fragment %u, goal %u, count %u\n", inode->i_ino, fragment, goal, count))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
*err = -ENOSPC;
......@@ -407,12 +407,12 @@ unsigned ufs_add_fragments (struct inode * inode, unsigned fragment,
UFSD(("ENTER, fragment %u, oldcount %u, newcount %u\n", fragment, oldcount, newcount))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first (USPI_UBH);
count = newcount - oldcount;
cgno = ufs_dtog(fragment);
if (sb->fs_cs(cgno).cs_nffree < count)
if (UFS_SB(sb)->fs_cs(cgno).cs_nffree < count)
return 0;
if ((ufs_fragnum (fragment) + newcount) > uspi->s_fpb)
return 0;
......@@ -453,7 +453,7 @@ unsigned ufs_add_fragments (struct inode * inode, unsigned fragment,
}
fs32_sub(sb, &ucg->cg_cs.cs_nffree, count);
fs32_sub(sb, &sb->fs_cs(cgno).cs_nffree, count);
fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
fs32_sub(sb, &usb1->fs_cstotal.cs_nffree, count);
ubh_mark_buffer_dirty (USPI_UBH);
......@@ -470,7 +470,7 @@ unsigned ufs_add_fragments (struct inode * inode, unsigned fragment,
}
#define UFS_TEST_FREE_SPACE_CG \
ucg = (struct ufs_cylinder_group *) sb->u.ufs_sb.s_ucg[cgno]->b_data; \
ucg = (struct ufs_cylinder_group *) UFS_SB(sb)->s_ucg[cgno]->b_data; \
if (fs32_to_cpu(sb, ucg->cg_cs.cs_nbfree)) \
goto cg_found; \
for (k = count; k < uspi->s_fpb; k++) \
......@@ -490,7 +490,7 @@ unsigned ufs_alloc_fragments (struct inode * inode, unsigned cgno,
UFSD(("ENTER, ino %lu, cgno %u, goal %u, count %u\n", inode->i_ino, cgno, goal, count))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
oldcg = cgno;
......@@ -557,7 +557,7 @@ unsigned ufs_alloc_fragments (struct inode * inode, unsigned cgno,
fs32_add(sb, &ucg->cg_cs.cs_nffree, i);
fs32_add(sb, &usb1->fs_cstotal.cs_nffree, i);
fs32_add(sb, &sb->fs_cs(cgno).cs_nffree, i);
fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, i);
fs32_add(sb, &ucg->cg_frsum[i], 1);
goto succed;
}
......@@ -574,7 +574,7 @@ unsigned ufs_alloc_fragments (struct inode * inode, unsigned cgno,
fs32_sub(sb, &ucg->cg_cs.cs_nffree, count);
fs32_sub(sb, &usb1->fs_cstotal.cs_nffree, count);
fs32_sub(sb, &sb->fs_cs(cgno).cs_nffree, count);
fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count);
fs32_sub(sb, &ucg->cg_frsum[allocsize], 1);
if (count != allocsize)
......@@ -606,7 +606,7 @@ unsigned ufs_alloccg_block (struct inode * inode,
UFSD(("ENTER, goal %u\n", goal))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
ucg = ubh_get_ucg(UCPI_UBH);
......@@ -633,7 +633,7 @@ unsigned ufs_alloccg_block (struct inode * inode,
gotit:
blkno = ufs_fragstoblks(result);
ubh_clrblock (UCPI_UBH, ucpi->c_freeoff, blkno);
if ((sb->u.ufs_sb.s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
ufs_clusteracct (sb, ucpi, blkno, -1);
if(DQUOT_ALLOC_BLOCK(inode, uspi->s_fpb)) {
*err = -EDQUOT;
......@@ -642,7 +642,7 @@ unsigned ufs_alloccg_block (struct inode * inode,
fs32_sub(sb, &ucg->cg_cs.cs_nbfree, 1);
fs32_sub(sb, &usb1->fs_cstotal.cs_nbfree, 1);
fs32_sub(sb, &sb->fs_cs(ucpi->c_cgx).cs_nbfree, 1);
fs32_sub(sb, &UFS_SB(sb)->fs_cs(ucpi->c_cgx).cs_nbfree, 1);
cylno = ufs_cbtocylno(result);
fs16_sub(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(result)), 1);
fs32_sub(sb, &ubh_cg_blktot(ucpi, cylno), 1);
......@@ -663,7 +663,7 @@ unsigned ufs_bitmap_search (struct super_block * sb,
UFSD(("ENTER, cg %u, goal %u, count %u\n", ucpi->c_cgx, goal, count))
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first (USPI_UBH);
ucg = ubh_get_ucg(UCPI_UBH);
......@@ -729,7 +729,7 @@ void ufs_clusteracct(struct super_block * sb,
struct ufs_sb_private_info * uspi;
int i, start, end, forw, back;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
if (uspi->s_contigsumsize <= 0)
return;
......
fs/ufs/cylinder.c
View file @ a49520cb
......@@ -36,26 +36,27 @@
static void ufs_read_cylinder (struct super_block * sb,
unsigned cgno, unsigned bitmap_nr)
{
struct ufs_sb_info * sbi = UFS_SB(sb);
struct ufs_sb_private_info * uspi;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned i, j;
UFSD(("ENTER, cgno %u, bitmap_nr %u\n", cgno, bitmap_nr))
uspi = sb->u.ufs_sb.s_uspi;
ucpi = sb->u.ufs_sb.s_ucpi[bitmap_nr];
ucg = (struct ufs_cylinder_group *)sb->u.ufs_sb.s_ucg[cgno]->b_data;
uspi = sbi->s_uspi;
ucpi = sbi->s_ucpi[bitmap_nr];
ucg = (struct ufs_cylinder_group *)sbi->s_ucg[cgno]->b_data;
UCPI_UBH->fragment = ufs_cgcmin(cgno);
UCPI_UBH->count = uspi->s_cgsize >> sb->s_blocksize_bits;
/*
* We have already the first fragment of cylinder group block in buffer
*/
UCPI_UBH->bh[0] = sb->u.ufs_sb.s_ucg[cgno];
UCPI_UBH->bh[0] = sbi->s_ucg[cgno];
for (i = 1; i < UCPI_UBH->count; i++)
if (!(UCPI_UBH->bh[i] = sb_bread(sb, UCPI_UBH->fragment + i)))
goto failed;
sb->u.ufs_sb.s_cgno[bitmap_nr] = cgno;
sbi->s_cgno[bitmap_nr] = cgno;
ucpi->c_cgx = fs32_to_cpu(sb, ucg->cg_cgx);
ucpi->c_ncyl = fs16_to_cpu(sb, ucg->cg_ncyl);
......@@ -77,8 +78,8 @@ static void ufs_read_cylinder (struct super_block * sb,
failed:
for (j = 1; j < i; j++)
brelse (sb->u.ufs_sb.s_ucg[j]);
sb->u.ufs_sb.s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;
brelse (sbi->s_ucg[j]);
sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;
ufs_error (sb, "ufs_read_cylinder", "can't read cylinder group block %u", cgno);
}
......@@ -88,6 +89,7 @@ static void ufs_read_cylinder (struct super_block * sb,
*/
void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr)
{
struct ufs_sb_info * sbi = UFS_SB(sb);
struct ufs_sb_private_info * uspi;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
......@@ -95,15 +97,15 @@ void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr)
UFSD(("ENTER, bitmap_nr %u\n", bitmap_nr))
uspi = sb->u.ufs_sb.s_uspi;
if (sb->u.ufs_sb.s_cgno[bitmap_nr] == UFS_CGNO_EMPTY) {
uspi = sbi->s_uspi;
if (sbi->s_cgno[bitmap_nr] == UFS_CGNO_EMPTY) {
UFSD(("EXIT\n"))
return;
}
ucpi = sb->u.ufs_sb.s_ucpi[bitmap_nr];
ucpi = sbi->s_ucpi[bitmap_nr];
ucg = ubh_get_ucg(UCPI_UBH);
if (uspi->s_ncg > UFS_MAX_GROUP_LOADED && bitmap_nr >= sb->u.ufs_sb.s_cg_loaded) {
if (uspi->s_ncg > UFS_MAX_GROUP_LOADED && bitmap_nr >= sbi->s_cg_loaded) {
ufs_panic (sb, "ufs_put_cylinder", "internal error");
return;
}
......@@ -119,7 +121,7 @@ void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr)
brelse (UCPI_UBH->bh[i]);
}
sb->u.ufs_sb.s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;
sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;
UFSD(("EXIT\n"))
}
......@@ -132,13 +134,14 @@ void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr)
struct ufs_cg_private_info * ufs_load_cylinder (
struct super_block * sb, unsigned cgno)
{
struct ufs_sb_info * sbi = UFS_SB(sb);
struct ufs_sb_private_info * uspi;
struct ufs_cg_private_info * ucpi;
unsigned cg, i, j;
UFSD(("ENTER, cgno %u\n", cgno))
uspi = sb->u.ufs_sb.s_uspi;
uspi = sbi->s_uspi;
if (cgno >= uspi->s_ncg) {
ufs_panic (sb, "ufs_load_cylinder", "internal error, high number of cg");
return NULL;
......@@ -146,61 +149,61 @@ struct ufs_cg_private_info * ufs_load_cylinder (
/*
* Cylinder group number cg it in cache and it was last used
*/
if (sb->u.ufs_sb.s_cgno[0] == cgno) {
if (sbi->s_cgno[0] == cgno) {
UFSD(("EXIT\n"))
return sb->u.ufs_sb.s_ucpi[0];
return sbi->s_ucpi[0];
}
/*
* Number of cylinder groups is not higher than UFS_MAX_GROUP_LOADED
*/
if (uspi->s_ncg <= UFS_MAX_GROUP_LOADED) {
if (sb->u.ufs_sb.s_cgno[cgno] != UFS_CGNO_EMPTY) {
if (sb->u.ufs_sb.s_cgno[cgno] != cgno) {
if (sbi->s_cgno[cgno] != UFS_CGNO_EMPTY) {
if (sbi->s_cgno[cgno] != cgno) {
ufs_panic (sb, "ufs_load_cylinder", "internal error, wrong number of cg in cache");
UFSD(("EXIT (FAILED)\n"))
return NULL;
}
else {
UFSD(("EXIT\n"))
return sb->u.ufs_sb.s_ucpi[cgno];
return sbi->s_ucpi[cgno];
}
} else {
ufs_read_cylinder (sb, cgno, cgno);
UFSD(("EXIT\n"))
return sb->u.ufs_sb.s_ucpi[cgno];
return sbi->s_ucpi[cgno];
}
}
/*
* Cylinder group number cg is in cache but it was not last used,
* we will move to the first position
*/
for (i = 0; i < sb->u.ufs_sb.s_cg_loaded && sb->u.ufs_sb.s_cgno[i] != cgno; i++);
if (i < sb->u.ufs_sb.s_cg_loaded && sb->u.ufs_sb.s_cgno[i] == cgno) {
cg = sb->u.ufs_sb.s_cgno[i];
ucpi = sb->u.ufs_sb.s_ucpi[i];
for (i = 0; i < sbi->s_cg_loaded && sbi->s_cgno[i] != cgno; i++);
if (i < sbi->s_cg_loaded && sbi->s_cgno[i] == cgno) {
cg = sbi->s_cgno[i];
ucpi = sbi->s_ucpi[i];
for (j = i; j > 0; j--) {
sb->u.ufs_sb.s_cgno[j] = sb->u.ufs_sb.s_cgno[j-1];
sb->u.ufs_sb.s_ucpi[j] = sb->u.ufs_sb.s_ucpi[j-1];
sbi->s_cgno[j] = sbi->s_cgno[j-1];
sbi->s_ucpi[j] = sbi->s_ucpi[j-1];
}
sb->u.ufs_sb.s_cgno[0] = cg;
sb->u.ufs_sb.s_ucpi[0] = ucpi;
sbi->s_cgno[0] = cg;
sbi->s_ucpi[0] = ucpi;
/*
* Cylinder group number cg is not in cache, we will read it from disk
* and put it to the first position
*/
} else {
if (sb->u.ufs_sb.s_cg_loaded < UFS_MAX_GROUP_LOADED)
sb->u.ufs_sb.s_cg_loaded++;
if (sbi->s_cg_loaded < UFS_MAX_GROUP_LOADED)
sbi->s_cg_loaded++;
else
ufs_put_cylinder (sb, UFS_MAX_GROUP_LOADED-1);
ucpi = sb->u.ufs_sb.s_ucpi[sb->u.ufs_sb.s_cg_loaded - 1];
for (j = sb->u.ufs_sb.s_cg_loaded - 1; j > 0; j--) {
sb->u.ufs_sb.s_cgno[j] = sb->u.ufs_sb.s_cgno[j-1];
sb->u.ufs_sb.s_ucpi[j] = sb->u.ufs_sb.s_ucpi[j-1];
ucpi = sbi->s_ucpi[sbi->s_cg_loaded - 1];
for (j = sbi->s_cg_loaded - 1; j > 0; j--) {
sbi->s_cgno[j] = sbi->s_cgno[j-1];
sbi->s_ucpi[j] = sbi->s_ucpi[j-1];
}
sb->u.ufs_sb.s_ucpi[0] = ucpi;
sbi->s_ucpi[0] = ucpi;
ufs_read_cylinder (sb, cgno, 0);
}
UFSD(("EXIT\n"))
return sb->u.ufs_sb.s_ucpi[0];
return sbi->s_ucpi[0];
}
fs/ufs/dir.c
View file @ a49520cb
......@@ -67,7 +67,7 @@ ufs_readdir (struct file * filp, void * dirent, filldir_t filldir)
lock_kernel();
sb = inode->i_sb;
flags = sb->u.ufs_sb.s_flags;
flags = UFS_SB(sb)->s_flags;
UFSD(("ENTER, ino %lu f_pos %lu\n", inode->i_ino, (unsigned long) filp->f_pos))
......@@ -308,8 +308,8 @@ int ufs_check_dir_entry (const char * function, struct inode * dir,
error_msg = "reclen is too small for namlen";
else if (((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize)
error_msg = "directory entry across blocks";
else if (fs32_to_cpu(sb, de->d_ino) > (sb->u.ufs_sb.s_uspi->s_ipg *
sb->u.ufs_sb.s_uspi->s_ncg))
else if (fs32_to_cpu(sb, de->d_ino) > (UFS_SB(sb)->s_uspi->s_ipg *
UFS_SB(sb)->s_uspi->s_ncg))
error_msg = "inode out of bounds";
if (error_msg != NULL)
......@@ -386,7 +386,7 @@ int ufs_add_link(struct dentry *dentry, struct inode *inode)
UFSD(("ENTER, name %s, namelen %u\n", name, namelen))
sb = dir->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
if (!namelen)
return -EINVAL;
......
fs/ufs/ialloc.c
View file @ a49520cb
......@@ -71,7 +71,7 @@ void ufs_free_inode (struct inode * inode)
UFSD(("ENTER, ino %lu\n", inode->i_ino))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
ino = inode->i_ino;
......@@ -112,12 +112,12 @@ void ufs_free_inode (struct inode * inode)
ucpi->c_irotor = ino;
fs32_add(sb, &ucg->cg_cs.cs_nifree, 1);
fs32_add(sb, &usb1->fs_cstotal.cs_nifree, 1);
fs32_add(sb, &sb->fs_cs(cg).cs_nifree, 1);
fs32_add(sb, &UFS_SB(sb)->fs_cs(cg).cs_nifree, 1);
if (is_directory) {
fs32_sub(sb, &ucg->cg_cs.cs_ndir, 1);
fs32_sub(sb, &usb1->fs_cstotal.cs_ndir, 1);
fs32_sub(sb, &sb->fs_cs(cg).cs_ndir, 1);
fs32_sub(sb, &UFS_SB(sb)->fs_cs(cg).cs_ndir, 1);
}
}
......@@ -146,6 +146,7 @@ void ufs_free_inode (struct inode * inode)
struct inode * ufs_new_inode(struct inode * dir, int mode)
{
struct super_block * sb;
struct ufs_sb_info * sbi;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
......@@ -164,7 +165,8 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
if (!inode)
return ERR_PTR(-ENOMEM);
ufsi = UFS_I(inode);
uspi = sb->u.ufs_sb.s_uspi;
sbi = UFS_SB(sb);
uspi = sbi->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
lock_super (sb);
......@@ -173,7 +175,7 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
* Try to place the inode in its parent directory
*/
i = ufs_inotocg(dir->i_ino);
if (sb->fs_cs(i).cs_nifree) {
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
......@@ -185,7 +187,7 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
i += j;
if (i >= uspi->s_ncg)
i -= uspi->s_ncg;
if (sb->fs_cs(i).cs_nifree) {
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
......@@ -199,7 +201,7 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
i++;
if (i >= uspi->s_ncg)
i = 0;
if (sb->fs_cs(i).cs_nifree) {
if (sbi->fs_cs(i).cs_nifree) {
cg = i;
goto cg_found;
}
......@@ -235,12 +237,12 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
fs32_sub(sb, &ucg->cg_cs.cs_nifree, 1);
fs32_sub(sb, &usb1->fs_cstotal.cs_nifree, 1);
fs32_sub(sb, &sb->fs_cs(cg).cs_nifree, 1);
fs32_sub(sb, &sbi->fs_cs(cg).cs_nifree, 1);
if (S_ISDIR(mode)) {
fs32_add(sb, &ucg->cg_cs.cs_ndir, 1);
fs32_add(sb, &usb1->fs_cstotal.cs_ndir, 1);
fs32_add(sb, &sb->fs_cs(cg).cs_ndir, 1);
fs32_add(sb, &sbi->fs_cs(cg).cs_ndir, 1);
}
ubh_mark_buffer_dirty (USPI_UBH);
......
fs/ufs/inode.c
View file @ a49520cb
......@@ -52,7 +52,7 @@
static int ufs_block_to_path(struct inode *inode, long i_block, int offsets[4])
{
struct ufs_sb_private_info *uspi = inode->i_sb->u.ufs_sb.s_uspi;
struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
int ptrs = uspi->s_apb;
int ptrs_bits = uspi->s_apbshift;
const long direct_blocks = UFS_NDADDR,
......@@ -86,7 +86,7 @@ int ufs_frag_map(struct inode *inode, int frag)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
struct super_block *sb = inode->i_sb;
struct ufs_sb_private_info *uspi = sb->u.ufs_sb.s_uspi;
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
int mask = uspi->s_apbmask>>uspi->s_fpbshift;
int shift = uspi->s_apbshift-uspi->s_fpbshift;
int offsets[4], *p;
......@@ -137,7 +137,7 @@ static struct buffer_head * ufs_inode_getfrag (struct inode *inode,
inode->i_ino, fragment, new_fragment, required))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
block = ufs_fragstoblks (fragment);
blockoff = ufs_fragnum (fragment);
p = ufsi->i_u1.i_data + block;
......@@ -243,7 +243,7 @@ static struct buffer_head * ufs_block_getfrag (struct inode *inode,
u32 * p;
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
block = ufs_fragstoblks (fragment);
blockoff = ufs_fragnum (fragment);
......@@ -313,7 +313,7 @@ static struct buffer_head * ufs_block_getfrag (struct inode *inode,
static int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
{
struct super_block * sb = inode->i_sb;
struct ufs_sb_private_info * uspi = sb->u.ufs_sb.s_uspi;
struct ufs_sb_private_info * uspi = UFS_SB(sb)->s_uspi;
struct buffer_head * bh;
int ret, err, new;
unsigned long ptr, phys;
......@@ -483,8 +483,8 @@ void ufs_read_inode (struct inode * inode)
UFSD(("ENTER, ino %lu\n", inode->i_ino))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
flags = sb->u.ufs_sb.s_flags;
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
if (inode->i_ino < UFS_ROOTINO ||
inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
......@@ -579,8 +579,8 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
UFSD(("ENTER, ino %lu\n", inode->i_ino))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
flags = sb->u.ufs_sb.s_flags;
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
if (inode->i_ino < UFS_ROOTINO ||
inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
......
fs/ufs/namei.c
View file @ a49520cb
......@@ -139,7 +139,7 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
if (IS_ERR(inode))
goto out;
if (l > sb->u.ufs_sb.s_uspi->s_maxsymlinklen) {
if (l > UFS_SB(sb)->s_uspi->s_maxsymlinklen) {
/* slow symlink */
inode->i_op = &page_symlink_inode_operations;
inode->i_mapping->a_ops = &ufs_aops;
......
fs/ufs/super.c
View file @ a49520cb
......@@ -189,7 +189,7 @@ void ufs_error (struct super_block * sb, const char * function,
struct ufs_super_block_first * usb1;
va_list args;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
if (!(sb->s_flags & MS_RDONLY)) {
......@@ -201,7 +201,7 @@ void ufs_error (struct super_block * sb, const char * function,
va_start (args, fmt);
vsprintf (error_buf, fmt, args);
va_end (args);
switch (sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_ONERROR) {
switch (UFS_SB(sb)->s_mount_opt & UFS_MOUNT_ONERROR) {
case UFS_MOUNT_ONERROR_PANIC:
panic ("UFS-fs panic (device %s): %s: %s\n",
sb->s_id, function, error_buf);
......@@ -221,7 +221,7 @@ void ufs_panic (struct super_block * sb, const char * function,
struct ufs_super_block_first * usb1;
va_list args;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
if (!(sb->s_flags & MS_RDONLY)) {
......@@ -317,6 +317,7 @@ static int ufs_parse_options (char * options, unsigned * mount_options)
* Read on-disk structures associated with cylinder groups
*/
int ufs_read_cylinder_structures (struct super_block * sb) {
struct ufs_sb_info * sbi = UFS_SB(sb);
struct ufs_sb_private_info * uspi;
struct ufs_buffer_head * ubh;
unsigned char * base, * space;
......@@ -324,7 +325,7 @@ int ufs_read_cylinder_structures (struct super_block * sb) {
UFSD(("ENTER\n"))
uspi = sb->u.ufs_sb.s_uspi;
uspi = sbi->s_uspi;
/*
* Read cs structures from (usually) first data block
......@@ -343,7 +344,7 @@ int ufs_read_cylinder_structures (struct super_block * sb) {
if (!ubh)
goto failed;
ubh_ubhcpymem (space, ubh, size);
sb->u.ufs_sb.s_csp[ufs_fragstoblks(i)] = (struct ufs_csum *)space;
sbi->s_csp[ufs_fragstoblks(i)] = (struct ufs_csum *)space;
space += size;
ubh_brelse (ubh);
ubh = NULL;
......@@ -353,41 +354,41 @@ int ufs_read_cylinder_structures (struct super_block * sb) {
* Read cylinder group (we read only first fragment from block
* at this time) and prepare internal data structures for cg caching.
*/
if (!(sb->u.ufs_sb.s_ucg = kmalloc (sizeof(struct buffer_head *) * uspi->s_ncg, GFP_KERNEL)))
if (!(sbi->s_ucg = kmalloc (sizeof(struct buffer_head *) * uspi->s_ncg, GFP_KERNEL)))
goto failed;
for (i = 0; i < uspi->s_ncg; i++)
sb->u.ufs_sb.s_ucg[i] = NULL;
sbi->s_ucg[i] = NULL;
for (i = 0; i < UFS_MAX_GROUP_LOADED; i++) {
sb->u.ufs_sb.s_ucpi[i] = NULL;
sb->u.ufs_sb.s_cgno[i] = UFS_CGNO_EMPTY;
sbi->s_ucpi[i] = NULL;
sbi->s_cgno[i] = UFS_CGNO_EMPTY;
}
for (i = 0; i < uspi->s_ncg; i++) {
UFSD(("read cg %u\n", i))
if (!(sb->u.ufs_sb.s_ucg[i] = sb_bread(sb, ufs_cgcmin(i))))
if (!(sbi->s_ucg[i] = sb_bread(sb, ufs_cgcmin(i))))
goto failed;
if (!ufs_cg_chkmagic (sb, (struct ufs_cylinder_group *) sb->u.ufs_sb.s_ucg[i]->b_data))
if (!ufs_cg_chkmagic (sb, (struct ufs_cylinder_group *) sbi->s_ucg[i]->b_data))
goto failed;
#ifdef UFS_SUPER_DEBUG_MORE
ufs_print_cylinder_stuff(sb, (struct ufs_cylinder_group *) sb->u.ufs_sb.s_ucg[i]->b_data);
ufs_print_cylinder_stuff(sb, (struct ufs_cylinder_group *) sbi->s_ucg[i]->b_data);
#endif
}
for (i = 0; i < UFS_MAX_GROUP_LOADED; i++) {
if (!(sb->u.ufs_sb.s_ucpi[i] = kmalloc (sizeof(struct ufs_cg_private_info), GFP_KERNEL)))
if (!(sbi->s_ucpi[i] = kmalloc (sizeof(struct ufs_cg_private_info), GFP_KERNEL)))
goto failed;
sb->u.ufs_sb.s_cgno[i] = UFS_CGNO_EMPTY;
sbi->s_cgno[i] = UFS_CGNO_EMPTY;
}
sb->u.ufs_sb.s_cg_loaded = 0;
sbi->s_cg_loaded = 0;
UFSD(("EXIT\n"))
return 1;
failed:
if (base) kfree (base);
if (sb->u.ufs_sb.s_ucg) {
if (sbi->s_ucg) {
for (i = 0; i < uspi->s_ncg; i++)
if (sb->u.ufs_sb.s_ucg[i]) brelse (sb->u.ufs_sb.s_ucg[i]);
kfree (sb->u.ufs_sb.s_ucg);
if (sbi->s_ucg[i]) brelse (sbi->s_ucg[i]);
kfree (sbi->s_ucg);
for (i = 0; i < UFS_MAX_GROUP_LOADED; i++)
if (sb->u.ufs_sb.s_ucpi[i]) kfree (sb->u.ufs_sb.s_ucpi[i]);
if (sbi->s_ucpi[i]) kfree (sbi->s_ucpi[i]);
}
UFSD(("EXIT (FAILED)\n"))
return 0;
......@@ -398,6 +399,7 @@ int ufs_read_cylinder_structures (struct super_block * sb) {
* write them back to disk
*/
void ufs_put_cylinder_structures (struct super_block * sb) {
struct ufs_sb_info * sbi = UFS_SB(sb);
struct ufs_sb_private_info * uspi;
struct ufs_buffer_head * ubh;
unsigned char * base, * space;
......@@ -405,11 +407,11 @@ void ufs_put_cylinder_structures (struct super_block * sb) {
UFSD(("ENTER\n"))
uspi = sb->u.ufs_sb.s_uspi;
uspi = sbi->s_uspi;
size = uspi->s_cssize;
blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift;
base = space = (char*) sb->u.ufs_sb.s_csp[0];
base = space = (char*) sbi->s_csp[0];
for (i = 0; i < blks; i += uspi->s_fpb) {
size = uspi->s_bsize;
if (i + uspi->s_fpb > blks)
......@@ -421,21 +423,22 @@ void ufs_put_cylinder_structures (struct super_block * sb) {
ubh_mark_buffer_dirty (ubh);
ubh_brelse (ubh);
}
for (i = 0; i < sb->u.ufs_sb.s_cg_loaded; i++) {
for (i = 0; i < sbi->s_cg_loaded; i++) {
ufs_put_cylinder (sb, i);
kfree (sb->u.ufs_sb.s_ucpi[i]);
kfree (sbi->s_ucpi[i]);
}
for (; i < UFS_MAX_GROUP_LOADED; i++)
kfree (sb->u.ufs_sb.s_ucpi[i]);
kfree (sbi->s_ucpi[i]);
for (i = 0; i < uspi->s_ncg; i++)
brelse (sb->u.ufs_sb.s_ucg[i]);
kfree (sb->u.ufs_sb.s_ucg);
brelse (sbi->s_ucg[i]);
kfree (sbi->s_ucg);
kfree (base);
UFSD(("EXIT\n"))
}
static int ufs_fill_super(struct super_block *sb, void *data, int silent)
{
struct ufs_sb_info * sbi;
struct ufs_sb_private_info * uspi;
struct ufs_super_block_first * usb1;
struct ufs_super_block_second * usb2;
......@@ -451,6 +454,12 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
UFSD(("ENTER\n"))
sbi = kmalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
if (!sbi)
goto failed_nomem;
sb->u.generic_sbp = sbi;
memset(sbi, 0, sizeof(struct ufs_sb_info));
UFSD(("flag %u\n", (int)(sb->s_flags & MS_RDONLY)))
#ifndef CONFIG_UFS_FS_WRITE
......@@ -464,22 +473,22 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
* Set default mount options
* Parse mount options
*/
sb->u.ufs_sb.s_mount_opt = 0;
ufs_set_opt (sb->u.ufs_sb.s_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options ((char *) data, &sb->u.ufs_sb.s_mount_opt)) {
sbi->s_mount_opt = 0;
ufs_set_opt (sbi->s_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options ((char *) data, &sbi->s_mount_opt)) {
printk("wrong mount options\n");
goto failed;
}
if (!(sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE)) {
if (!(sbi->s_mount_opt & UFS_MOUNT_UFSTYPE)) {
printk("You didn't specify the type of your ufs filesystem\n\n"
"mount -t ufs -o ufstype="
"sun|sunx86|44bsd|old|hp|nextstep|netxstep-cd|openstep ...\n\n"
">>>WARNING<<< Wrong ufstype may corrupt your filesystem, "
"default is ufstype=old\n");
ufs_set_opt (sb->u.ufs_sb.s_mount_opt, UFSTYPE_OLD);
ufs_set_opt (sbi->s_mount_opt, UFSTYPE_OLD);
}
sb->u.ufs_sb.s_uspi = uspi =
sbi->s_uspi = uspi =
kmalloc (sizeof(struct ufs_sb_private_info), GFP_KERNEL);
if (!uspi)
goto failed;
......@@ -488,7 +497,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
this but as I don't know which I'll let those in the know loosen
the rules */
switch (sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE) {
switch (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) {
case UFS_MOUNT_UFSTYPE_44BSD:
UFSD(("ufstype=44bsd\n"))
uspi->s_fsize = block_size = 512;
......@@ -596,7 +605,10 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
}
again:
sb_set_blocksize(sb, block_size);
if (sb_set_blocksize(sb, block_size)) {
printk(KERN_ERR "UFS: failed to set blocksize\n");
goto failed;
}
/*
* read ufs super block from device
......@@ -617,7 +629,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
case UFS_MAGIC_LFN:
case UFS_MAGIC_FEA:
case UFS_MAGIC_4GB:
sb->u.ufs_sb.s_bytesex = BYTESEX_LE;
sbi->s_bytesex = BYTESEX_LE;
goto magic_found;
}
switch (__constant_be32_to_cpu(usb3->fs_magic)) {
......@@ -625,13 +637,13 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
case UFS_MAGIC_LFN:
case UFS_MAGIC_FEA:
case UFS_MAGIC_4GB:
sb->u.ufs_sb.s_bytesex = BYTESEX_BE;
sbi->s_bytesex = BYTESEX_BE;
goto magic_found;
}
if ((((sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_NEXTSTEP)
|| ((sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_NEXTSTEP_CD)
|| ((sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_OPENSTEP))
if ((((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_NEXTSTEP)
|| ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_NEXTSTEP_CD)
|| ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_OPENSTEP))
&& uspi->s_sbbase < 256) {
ubh_brelse_uspi(uspi);
ubh = NULL;
......@@ -652,32 +664,32 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
uspi->s_fshift = fs32_to_cpu(sb, usb1->fs_fshift);
if (uspi->s_fsize & (uspi->s_fsize - 1)) {
printk("ufs_read_super: fragment size %u is not a power of 2\n",
printk(KERN_ERR "ufs_read_super: fragment size %u is not a power of 2\n",
uspi->s_fsize);
goto failed;
}
if (uspi->s_fsize < 512) {
printk("ufs_read_super: fragment size %u is too small\n",
printk(KERN_ERR "ufs_read_super: fragment size %u is too small\n",
uspi->s_fsize);
goto failed;
}
if (uspi->s_fsize > 4096) {
printk("ufs_read_super: fragment size %u is too large\n",
printk(KERN_ERR "ufs_read_super: fragment size %u is too large\n",
uspi->s_fsize);
goto failed;
}
if (uspi->s_bsize & (uspi->s_bsize - 1)) {
printk("ufs_read_super: block size %u is not a power of 2\n",
printk(KERN_ERR "ufs_read_super: block size %u is not a power of 2\n",
uspi->s_bsize);
goto failed;
}
if (uspi->s_bsize < 4096) {
printk("ufs_read_super: block size %u is too small\n",
printk(KERN_ERR "ufs_read_super: block size %u is too small\n",
uspi->s_bsize);
goto failed;
}
if (uspi->s_bsize / uspi->s_fsize > 8) {
printk("ufs_read_super: too many fragments per block (%u)\n",
printk(KERN_ERR "ufs_read_super: too many fragments per block (%u)\n",
uspi->s_bsize / uspi->s_fsize);
goto failed;
}
......@@ -801,12 +813,12 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
uspi->s_bpf = uspi->s_fsize << 3;
uspi->s_bpfshift = uspi->s_fshift + 3;
uspi->s_bpfmask = uspi->s_bpf - 1;
if ((sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE) ==
if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) ==
UFS_MOUNT_UFSTYPE_44BSD)
uspi->s_maxsymlinklen =
fs32_to_cpu(sb, usb3->fs_u2.fs_44.fs_maxsymlinklen);
sb->u.ufs_sb.s_flags = flags;
sbi->s_flags = flags;
inode = iget(sb, UFS_ROOTINO);
if (!inode || is_bad_inode(inode))
......@@ -831,8 +843,14 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
failed:
if (ubh) ubh_brelse_uspi (uspi);
if (uspi) kfree (uspi);
if (sbi) kfree(sbi);
sb->u.generic_sbp = NULL;
UFSD(("EXIT (FAILED)\n"))
return -EINVAL;
failed_nomem:
UFSD(("EXIT (NOMEM)\n"))
return -ENOMEM;
}
void ufs_write_super (struct super_block * sb) {
......@@ -844,8 +862,8 @@ void ufs_write_super (struct super_block * sb) {
lock_kernel();
UFSD(("ENTER\n"))
flags = sb->u.ufs_sb.s_flags;
uspi = sb->u.ufs_sb.s_uspi;
flags = UFS_SB(sb)->s_flags;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(USPI_UBH);
usb3 = ubh_get_usb_third(USPI_UBH);
......@@ -864,17 +882,17 @@ void ufs_write_super (struct super_block * sb) {
void ufs_put_super (struct super_block * sb)
{
struct ufs_sb_private_info * uspi;
struct ufs_sb_info * sbi = UFS_SB(sb);
UFSD(("ENTER\n"))
uspi = sb->u.ufs_sb.s_uspi;
if (!(sb->s_flags & MS_RDONLY))
ufs_put_cylinder_structures (sb);
ubh_brelse_uspi (uspi);
kfree (sb->u.ufs_sb.s_uspi);
ubh_brelse_uspi (sbi->s_uspi);
kfree (sbi->s_uspi);
kfree (sbi);
sb->u.generic_sbp = NULL;
return;
}
......@@ -887,8 +905,8 @@ int ufs_remount (struct super_block * sb, int * mount_flags, char * data)
unsigned new_mount_opt, ufstype;
unsigned flags;
uspi = sb->u.ufs_sb.s_uspi;
flags = sb->u.ufs_sb.s_flags;
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
usb1 = ubh_get_usb_first(USPI_UBH);
usb3 = ubh_get_usb_third(USPI_UBH);
......@@ -896,7 +914,7 @@ int ufs_remount (struct super_block * sb, int * mount_flags, char * data)
* Allow the "check" option to be passed as a remount option.
* It is not possible to change ufstype option during remount
*/
ufstype = sb->u.ufs_sb.s_mount_opt & UFS_MOUNT_UFSTYPE;
ufstype = UFS_SB(sb)->s_mount_opt & UFS_MOUNT_UFSTYPE;
new_mount_opt = 0;
ufs_set_opt (new_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options (data, &new_mount_opt))
......@@ -910,7 +928,7 @@ int ufs_remount (struct super_block * sb, int * mount_flags, char * data)
}
if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
sb->u.ufs_sb.s_mount_opt = new_mount_opt;
UFS_SB(sb)->s_mount_opt = new_mount_opt;
return 0;
}
......@@ -950,7 +968,7 @@ int ufs_remount (struct super_block * sb, int * mount_flags, char * data)
sb->s_flags &= ~MS_RDONLY;
#endif
}
sb->u.ufs_sb.s_mount_opt = new_mount_opt;
UFS_SB(sb)->s_mount_opt = new_mount_opt;
return 0;
}
......@@ -961,7 +979,7 @@ int ufs_statfs (struct super_block * sb, struct statfs * buf)
lock_kernel();
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first (USPI_UBH);
buf->f_type = UFS_MAGIC;
......
fs/ufs/swab.h
View file @ a49520cb
......@@ -25,7 +25,7 @@ enum {
static __inline u64
fs64_to_cpu(struct super_block *sbp, u64 n)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return le64_to_cpu(n);
else
return be64_to_cpu(n);
......@@ -34,7 +34,7 @@ fs64_to_cpu(struct super_block *sbp, u64 n)
static __inline u64
cpu_to_fs64(struct super_block *sbp, u64 n)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return cpu_to_le64(n);
else
return cpu_to_be64(n);
......@@ -43,7 +43,7 @@ cpu_to_fs64(struct super_block *sbp, u64 n)
static __inline u32
fs64_add(struct super_block *sbp, u32 *n, int d)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return *n = cpu_to_le64(le64_to_cpu(*n)+d);
else
return *n = cpu_to_be64(be64_to_cpu(*n)+d);
......@@ -52,7 +52,7 @@ fs64_add(struct super_block *sbp, u32 *n, int d)
static __inline u32
fs64_sub(struct super_block *sbp, u32 *n, int d)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return *n = cpu_to_le64(le64_to_cpu(*n)-d);
else
return *n = cpu_to_be64(be64_to_cpu(*n)-d);
......@@ -61,7 +61,7 @@ fs64_sub(struct super_block *sbp, u32 *n, int d)
static __inline u32
fs32_to_cpu(struct super_block *sbp, u32 n)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return le32_to_cpu(n);
else
return be32_to_cpu(n);
......@@ -70,7 +70,7 @@ fs32_to_cpu(struct super_block *sbp, u32 n)
static __inline u32
cpu_to_fs32(struct super_block *sbp, u32 n)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return cpu_to_le32(n);
else
return cpu_to_be32(n);
......@@ -79,7 +79,7 @@ cpu_to_fs32(struct super_block *sbp, u32 n)
static __inline u32
fs32_add(struct super_block *sbp, u32 *n, int d)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return *n = cpu_to_le32(le32_to_cpu(*n)+d);
else
return *n = cpu_to_be32(be32_to_cpu(*n)+d);
......@@ -88,7 +88,7 @@ fs32_add(struct super_block *sbp, u32 *n, int d)
static __inline u32
fs32_sub(struct super_block *sbp, u32 *n, int d)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return *n = cpu_to_le32(le32_to_cpu(*n)-d);
else
return *n = cpu_to_be32(be32_to_cpu(*n)-d);
......@@ -97,7 +97,7 @@ fs32_sub(struct super_block *sbp, u32 *n, int d)
static __inline u16
fs16_to_cpu(struct super_block *sbp, u16 n)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return le16_to_cpu(n);
else
return be16_to_cpu(n);
......@@ -106,7 +106,7 @@ fs16_to_cpu(struct super_block *sbp, u16 n)
static __inline u16
cpu_to_fs16(struct super_block *sbp, u16 n)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return cpu_to_le16(n);
else
return cpu_to_be16(n);
......@@ -115,7 +115,7 @@ cpu_to_fs16(struct super_block *sbp, u16 n)
static __inline u16
fs16_add(struct super_block *sbp, u16 *n, int d)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return *n = cpu_to_le16(le16_to_cpu(*n)+d);
else
return *n = cpu_to_be16(be16_to_cpu(*n)+d);
......@@ -124,7 +124,7 @@ fs16_add(struct super_block *sbp, u16 *n, int d)
static __inline u16
fs16_sub(struct super_block *sbp, u16 *n, int d)
{
if (sbp->u.ufs_sb.s_bytesex == BYTESEX_LE)
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return *n = cpu_to_le16(le16_to_cpu(*n)-d);
else
return *n = cpu_to_be16(be16_to_cpu(*n)-d);
......
fs/ufs/truncate.c
View file @ a49520cb
......@@ -82,7 +82,7 @@ static int ufs_trunc_direct (struct inode * inode)
UFSD(("ENTER\n"))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
frag_to_free = 0;
free_count = 0;
......@@ -212,7 +212,7 @@ static int ufs_trunc_indirect (struct inode * inode, unsigned offset, u32 * p)
UFSD(("ENTER\n"))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
frag_to_free = 0;
free_count = 0;
......@@ -306,7 +306,7 @@ static int ufs_trunc_dindirect (struct inode * inode, unsigned offset, u32 * p)
UFSD(("ENTER\n"))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
dindirect_block = (DIRECT_BLOCK > offset)
? ((DIRECT_BLOCK - offset) >> uspi->s_apbshift) : 0;
......@@ -374,7 +374,7 @@ static int ufs_trunc_tindirect (struct inode * inode)
UFSD(("ENTER\n"))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
retry = 0;
tindirect_block = (DIRECT_BLOCK > (UFS_NDADDR + uspi->s_apb + uspi->s_2apb))
......@@ -435,7 +435,7 @@ void ufs_truncate (struct inode * inode)
UFSD(("ENTER\n"))
sb = inode->i_sb;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)))
return;
......
fs/ufs/util.h
View file @ a49520cb
......@@ -31,7 +31,7 @@ static inline s32
ufs_get_fs_state(struct super_block *sb, struct ufs_super_block_first *usb1,
struct ufs_super_block_third *usb3)
{
switch (sb->u.ufs_sb.s_flags & UFS_ST_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
case UFS_ST_SUN:
return fs32_to_cpu(sb, usb3->fs_u2.fs_sun.fs_state);
case UFS_ST_SUNx86:
......@@ -46,7 +46,7 @@ static inline void
ufs_set_fs_state(struct super_block *sb, struct ufs_super_block_first *usb1,
struct ufs_super_block_third *usb3, s32 value)
{
switch (sb->u.ufs_sb.s_flags & UFS_ST_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
case UFS_ST_SUN:
usb3->fs_u2.fs_sun.fs_state = cpu_to_fs32(sb, value);
break;
......@@ -63,7 +63,7 @@ static inline u32
ufs_get_fs_npsect(struct super_block *sb, struct ufs_super_block_first *usb1,
struct ufs_super_block_third *usb3)
{
if ((sb->u.ufs_sb.s_flags & UFS_ST_MASK) == UFS_ST_SUNx86)
if ((UFS_SB(sb)->s_flags & UFS_ST_MASK) == UFS_ST_SUNx86)
return fs32_to_cpu(sb, usb3->fs_u2.fs_sunx86.fs_npsect);
else
return fs32_to_cpu(sb, usb1->fs_u1.fs_sun.fs_npsect);
......@@ -74,7 +74,7 @@ ufs_get_fs_qbmask(struct super_block *sb, struct ufs_super_block_third *usb3)
{
u64 tmp;
switch (sb->u.ufs_sb.s_flags & UFS_ST_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
case UFS_ST_SUN:
((u32 *)&tmp)[0] = usb3->fs_u2.fs_sun.fs_qbmask[0];
((u32 *)&tmp)[1] = usb3->fs_u2.fs_sun.fs_qbmask[1];
......@@ -97,7 +97,7 @@ ufs_get_fs_qfmask(struct super_block *sb, struct ufs_super_block_third *usb3)
{
u64 tmp;
switch (sb->u.ufs_sb.s_flags & UFS_ST_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) {
case UFS_ST_SUN:
((u32 *)&tmp)[0] = usb3->fs_u2.fs_sun.fs_qfmask[0];
((u32 *)&tmp)[1] = usb3->fs_u2.fs_sun.fs_qfmask[1];
......@@ -118,7 +118,7 @@ ufs_get_fs_qfmask(struct super_block *sb, struct ufs_super_block_third *usb3)
static inline u16
ufs_get_de_namlen(struct super_block *sb, struct ufs_dir_entry *de)
{
if ((sb->u.ufs_sb.s_flags & UFS_DE_MASK) == UFS_DE_OLD)
if ((UFS_SB(sb)->s_flags & UFS_DE_MASK) == UFS_DE_OLD)
return fs16_to_cpu(sb, de->d_u.d_namlen);
else
return de->d_u.d_44.d_namlen; /* XXX this seems wrong */
......@@ -127,7 +127,7 @@ ufs_get_de_namlen(struct super_block *sb, struct ufs_dir_entry *de)
static inline void
ufs_set_de_namlen(struct super_block *sb, struct ufs_dir_entry *de, u16 value)
{
if ((sb->u.ufs_sb.s_flags & UFS_DE_MASK) == UFS_DE_OLD)
if ((UFS_SB(sb)->s_flags & UFS_DE_MASK) == UFS_DE_OLD)
de->d_u.d_namlen = cpu_to_fs16(sb, value);
else
de->d_u.d_44.d_namlen = value; /* XXX this seems wrong */
......@@ -136,7 +136,7 @@ ufs_set_de_namlen(struct super_block *sb, struct ufs_dir_entry *de, u16 value)
static inline void
ufs_set_de_type(struct super_block *sb, struct ufs_dir_entry *de, int mode)
{
if ((sb->u.ufs_sb.s_flags & UFS_DE_MASK) != UFS_DE_44BSD)
if ((UFS_SB(sb)->s_flags & UFS_DE_MASK) != UFS_DE_44BSD)
return;
/*
......@@ -172,7 +172,7 @@ ufs_set_de_type(struct super_block *sb, struct ufs_dir_entry *de, int mode)
static inline u32
ufs_get_inode_uid(struct super_block *sb, struct ufs_inode *inode)
{
switch (sb->u.ufs_sb.s_flags & UFS_UID_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
case UFS_UID_EFT:
return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_uid);
case UFS_UID_44BSD:
......@@ -185,7 +185,7 @@ ufs_get_inode_uid(struct super_block *sb, struct ufs_inode *inode)
static inline void
ufs_set_inode_uid(struct super_block *sb, struct ufs_inode *inode, u32 value)
{
switch (sb->u.ufs_sb.s_flags & UFS_UID_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
case UFS_UID_EFT:
inode->ui_u3.ui_sun.ui_uid = cpu_to_fs32(sb, value);
break;
......@@ -199,7 +199,7 @@ ufs_set_inode_uid(struct super_block *sb, struct ufs_inode *inode, u32 value)
static inline u32
ufs_get_inode_gid(struct super_block *sb, struct ufs_inode *inode)
{
switch (sb->u.ufs_sb.s_flags & UFS_UID_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
case UFS_UID_EFT:
return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid);
case UFS_UID_44BSD:
......@@ -212,7 +212,7 @@ ufs_get_inode_gid(struct super_block *sb, struct ufs_inode *inode)
static inline void
ufs_set_inode_gid(struct super_block *sb, struct ufs_inode *inode, u32 value)
{
switch (sb->u.ufs_sb.s_flags & UFS_UID_MASK) {
switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) {
case UFS_UID_EFT:
inode->ui_u3.ui_sun.ui_gid = cpu_to_fs32(sb, value);
break;
......@@ -481,7 +481,7 @@ static inline void ufs_fragacct (struct super_block * sb, unsigned blockmap,
struct ufs_sb_private_info * uspi;
unsigned fragsize, pos;
uspi = sb->u.ufs_sb.s_uspi;
uspi = UFS_SB(sb)->s_uspi;
fragsize = 0;
for (pos = 0; pos < uspi->s_fpb; pos++) {
......
include/linux/fs.h
View file @ a49520cb
......@@ -624,8 +624,6 @@ extern void __kill_fasync(struct fasync_struct *, int, int);
#include <linux/ext3_fs_sb.h>
#include <linux/hpfs_fs_sb.h>
#include <linux/ufs_fs_sb.h>
#include <linux/romfs_fs_sb.h>
extern struct list_head super_blocks;
extern spinlock_t sb_lock;
......@@ -670,8 +668,6 @@ struct super_block {
union {
struct ext3_sb_info ext3_sb;
struct hpfs_sb_info hpfs_sb;
struct ufs_sb_info ufs_sb;
struct romfs_sb_info romfs_sb;
void *generic_sbp;
} u;
/*
......
include/linux/preempt.h
View file @ a49520cb
#ifndef __LINUX_PREEMPT_H
#define __LINUX_PREEMPT_H
/*
* include/linux/preempt.h - macros for accessing and manipulating
* preempt_count (used for kernel preemption, interrupt count, etc.)
*/
#include <linux/config.h>
#define preempt_count() (current_thread_info()->preempt_count)
......@@ -31,17 +36,16 @@ do { \
barrier(); \
} while (0)
#define preempt_enable() \
#define preempt_check_resched() \
do { \
preempt_enable_no_resched(); \
if (unlikely(test_thread_flag(TIF_NEED_RESCHED))) \
preempt_schedule(); \
} while (0)
#define preempt_check_resched() \
#define preempt_enable() \
do { \
if (unlikely(test_thread_flag(TIF_NEED_RESCHED))) \
preempt_schedule(); \
preempt_enable_no_resched(); \
preempt_check_resched(); \
} while (0)
#define inc_preempt_count_non_preempt() do { } while (0)
......@@ -50,7 +54,7 @@ do { \
#else
#define preempt_disable() do { } while (0)
#define preempt_enable_no_resched() do {} while(0)
#define preempt_enable_no_resched() do { } while (0)
#define preempt_enable() do { } while (0)
#define preempt_check_resched() do { } while (0)
......
include/linux/romfs_fs_sb.h deleted 100644 → 0
View file @ beecec57
#ifndef __ROMFS_FS_SB
#define __ROMFS_FS_SB
/* romfs superblock in-core data */
struct romfs_sb_info {
unsigned long s_maxsize;
};
#endif
include/linux/spinlock.h
View file @ a49520cb
#ifndef __LINUX_SPINLOCK_H
#define __LINUX_SPINLOCK_H
/*
* include/linux/spinlock.h - generic locking declarations
*/
#include <linux/config.h>
#include <linux/preempt.h>
#include <linux/linkage.h>
#include <linux/compiler.h>
#include <linux/thread_info.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
#include <asm/system.h>
/*
* These are the generic versions of the spinlocks and read-write
* locks..
* Must define these before including other files, inline functions need them
*/
#define spin_lock_irqsave(lock, flags) do { local_irq_save(flags); spin_lock(lock); } while (0)
#define spin_lock_irq(lock) do { local_irq_disable(); spin_lock(lock); } while (0)
#define spin_lock_bh(lock) do { local_bh_disable(); spin_lock(lock); } while (0)
#define read_lock_irqsave(lock, flags) do { local_irq_save(flags); read_lock(lock); } while (0)
#define read_lock_irq(lock) do { local_irq_disable(); read_lock(lock); } while (0)
#define read_lock_bh(lock) do { local_bh_disable(); read_lock(lock); } while (0)
#define write_lock_irqsave(lock, flags) do { local_irq_save(flags); write_lock(lock); } while (0)
#define write_lock_irq(lock) do { local_irq_disable(); write_lock(lock); } while (0)
#define write_lock_bh(lock) do { local_bh_disable(); write_lock(lock); } while (0)
#define spin_unlock_irqrestore(lock, flags) do { _raw_spin_unlock(lock); local_irq_restore(flags); preempt_enable(); } while (0)
#define _raw_spin_unlock_irqrestore(lock, flags) do { _raw_spin_unlock(lock); local_irq_restore(flags); } while (0)
#define spin_unlock_irq(lock) do { _raw_spin_unlock(lock); local_irq_enable(); preempt_enable(); } while (0)
#define spin_unlock_bh(lock) do { spin_unlock(lock); local_bh_enable(); } while (0)
#define read_unlock_irqrestore(lock, flags) do { _raw_read_unlock(lock); local_irq_restore(flags); preempt_enable(); } while (0)
#define read_unlock_irq(lock) do { _raw_read_unlock(lock); local_irq_enable(); preempt_enable(); } while (0)
#define read_unlock_bh(lock) do { read_unlock(lock); local_bh_enable(); } while (0)
#define write_unlock_irqrestore(lock, flags) do { _raw_write_unlock(lock); local_irq_restore(flags); preempt_enable(); } while (0)
#define write_unlock_irq(lock) do { _raw_write_unlock(lock); local_irq_enable(); preempt_enable(); } while (0)
#define write_unlock_bh(lock) do { write_unlock(lock); local_bh_enable(); } while (0)
#define spin_trylock_bh(lock) ({ int __r; local_bh_disable();\
__r = spin_trylock(lock); \
if (!__r) local_bh_enable(); \
__r; })
/* Must define these before including other files, inline functions need them */
#include <linux/stringify.h>
#define LOCK_SECTION_NAME \
".text.lock." __stringify(KBUILD_BASENAME)
......@@ -60,11 +31,17 @@
#define LOCK_SECTION_END \
".previous\n\t"
/*
* If CONFIG_SMP is set, pull in the _raw_* definitions
*/
#ifdef CONFIG_SMP
#include <asm/spinlock.h>
#elif !defined(spin_lock_init) /* !SMP and spin_lock_init not previously
defined (e.g. by including asm/spinlock.h */
/*
* !CONFIG_SMP and spin_lock_init not previously defined
* (e.g. by including include/asm/spinlock.h)
*/
#elif !defined(spin_lock_init)
#ifndef CONFIG_PREEMPT
# define atomic_dec_and_lock(atomic,lock) atomic_dec_and_test(atomic)
......@@ -72,55 +49,42 @@
#endif
/*
* Your basic spinlocks, allowing only a single CPU anywhere
*
* Most gcc versions have a nasty bug with empty initializers.
* gcc versions before ~2.95 have a nasty bug with empty initializers.
*/
#if (__GNUC__ > 2)
typedef struct { } spinlock_t;
# define SPIN_LOCK_UNLOCKED (spinlock_t) { }
typedef struct { } rwlock_t;
#define SPIN_LOCK_UNLOCKED (spinlock_t) { }
#define RW_LOCK_UNLOCKED (rwlock_t) { }
#else
typedef struct { int gcc_is_buggy; } spinlock_t;
# define SPIN_LOCK_UNLOCKED (spinlock_t) { 0 }
typedef struct { int gcc_is_buggy; } rwlock_t;
#define SPIN_LOCK_UNLOCKED (spinlock_t) { 0 }
#define RW_LOCK_UNLOCKED (rwlock_t) { 0 }
#endif
/*
* If CONFIG_SMP is unset, declare the _raw_* definitions as nops
*/
#define spin_lock_init(lock) do { (void)(lock); } while(0)
#define _raw_spin_lock(lock) (void)(lock) /* Not "unused variable". */
#define _raw_spin_lock(lock) (void)(lock)
#define spin_is_locked(lock) ((void)(lock), 0)
#define _raw_spin_trylock(lock) ((void)(lock), 1)
#define spin_unlock_wait(lock) do { (void)(lock); } while(0)
#define _raw_spin_unlock(lock) do { (void)(lock); } while(0)
/*
* Read-write spinlocks, allowing multiple readers
* but only one writer.
*
* NOTE! it is quite common to have readers in interrupts
* but no interrupt writers. For those circumstances we
* can "mix" irq-safe locks - any writer needs to get a
* irq-safe write-lock, but readers can get non-irqsafe
* read-locks.
*
* Most gcc versions have a nasty bug with empty initializers.
*/
#if (__GNUC__ > 2)
typedef struct { } rwlock_t;
#define RW_LOCK_UNLOCKED (rwlock_t) { }
#else
typedef struct { int gcc_is_buggy; } rwlock_t;
#define RW_LOCK_UNLOCKED (rwlock_t) { 0 }
#endif
#define rwlock_init(lock) do { } while(0)
#define _raw_read_lock(lock) (void)(lock) /* Not "unused variable". */
#define _raw_read_lock(lock) (void)(lock)
#define _raw_read_unlock(lock) do { } while(0)
#define _raw_write_lock(lock) (void)(lock) /* Not "unused variable". */
#define _raw_write_lock(lock) (void)(lock)
#define _raw_write_unlock(lock) do { } while(0)
#endif /* !SMP */
#ifdef CONFIG_PREEMPT
/*
* Define the various spin_lock and rw_lock methods. Note we define these
* regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The various
* methods are defined as nops in the case they are not required.
*/
#define spin_lock(lock) \
do { \
preempt_disable(); \
......@@ -129,31 +93,175 @@ do { \
#define spin_trylock(lock) ({preempt_disable(); _raw_spin_trylock(lock) ? \
1 : ({preempt_enable(); 0;});})
#define spin_unlock(lock) \
do { \
_raw_spin_unlock(lock); \
preempt_enable(); \
} while (0)
#define read_lock(lock) ({preempt_disable(); _raw_read_lock(lock);})
#define read_unlock(lock) ({_raw_read_unlock(lock); preempt_enable();})
#define write_lock(lock) ({preempt_disable(); _raw_write_lock(lock);})
#define write_unlock(lock) ({_raw_write_unlock(lock); preempt_enable();})
#define read_lock(lock) \
do { \
preempt_disable(); \
_raw_read_lock(lock); \
} while(0)
#define read_unlock(lock) \
do { \
_raw_read_unlock(lock); \
preempt_enable(); \
} while(0)
#define write_lock(lock) \
do { \
preempt_disable(); \
_raw_write_lock(lock); \
} while(0)
#define write_unlock(lock) \
do { \
_raw_write_unlock(lock); \
preempt_enable(); \
} while(0)
#define write_trylock(lock) ({preempt_disable();_raw_write_trylock(lock) ? \
1 : ({preempt_enable(); 0;});})
#else
#define spin_lock_irqsave(lock, flags) \
do { \
local_irq_save(flags); \
preempt_disable(); \
_raw_spin_lock(lock); \
} while (0)
#define spin_lock(lock) _raw_spin_lock(lock)
#define spin_trylock(lock) _raw_spin_trylock(lock)
#define spin_unlock(lock) _raw_spin_unlock(lock)
#define spin_lock_irq(lock) \
do { \
local_irq_disable(); \
preempt_disable(); \
_raw_spin_lock(lock); \
} while (0)
#define read_lock(lock) _raw_read_lock(lock)
#define read_unlock(lock) _raw_read_unlock(lock)
#define write_lock(lock) _raw_write_lock(lock)
#define write_unlock(lock) _raw_write_unlock(lock)
#define write_trylock(lock) _raw_write_trylock(lock)
#endif
#define spin_lock_bh(lock) \
do { \
local_bh_disable(); \
preempt_disable(); \
_raw_spin_lock(lock); \
} while (0)
#define read_lock_irqsave(lock, flags) \
do { \
local_irq_save(flags); \
preempt_disable(); \
_raw_read_lock(lock); \
} while (0)
#define read_lock_irq(lock) \
do { \
local_irq_disable(); \
preempt_disable(); \
_raw_read_lock(lock); \
} while (0)
#define read_lock_bh(lock) \
do { \
local_bh_disable(); \
preempt_disable(); \
_raw_read_lock(lock); \
} while (0)
#define write_lock_irqsave(lock, flags) \
do { \
local_irq_save(flags); \
preempt_disable(); \
_raw_write_lock(lock); \
} while (0)
#define write_lock_irq(lock) \
do { \
local_irq_disable(); \
preempt_disable(); \
_raw_write_lock(lock); \
} while (0)
#define write_lock_bh(lock) \
do { \
local_bh_disable(); \
preempt_disable(); \
_raw_write_lock(lock); \
} while (0)
#define spin_unlock_irqrestore(lock, flags) \
do { \
_raw_spin_unlock(lock); \
local_irq_restore(flags); \
preempt_enable(); \
} while (0)
#define _raw_spin_unlock_irqrestore(lock, flags) \
do { \
_raw_spin_unlock(lock); \
local_irq_restore(flags); \
} while (0)
#define spin_unlock_irq(lock) \
do { \
_raw_spin_unlock(lock); \
local_irq_enable(); \
preempt_enable(); \
} while (0)
#define spin_unlock_bh(lock) \
do { \
_raw_spin_unlock(lock); \
preempt_enable(); \
local_bh_enable(); \
} while (0)
#define read_unlock_irqrestore(lock, flags) \
do { \
_raw_read_unlock(lock); \
local_irq_restore(flags); \
preempt_enable(); \
} while (0)
#define read_unlock_irq(lock) \
do { \
_raw_read_unlock(lock); \
local_irq_enable(); \
preempt_enable(); \
} while (0)
#define read_unlock_bh(lock) \
do { \
_raw_read_unlock(lock); \
preempt_enable(); \
local_bh_enable(); \
} while (0)
#define write_unlock_irqrestore(lock, flags) \
do { \
_raw_write_unlock(lock); \
local_irq_restore(flags); \
preempt_enable(); \
} while (0)
#define write_unlock_irq(lock) \
do { \
_raw_write_unlock(lock); \
local_irq_enable(); \
preempt_enable(); \
} while (0)
#define write_unlock_bh(lock) \
do { \
_raw_write_unlock(lock); \
preempt_enable(); \
local_bh_enable(); \
} while (0)
#define spin_trylock_bh(lock) ({ local_bh_disable(); preempt_disable(); \
_raw_spin_trylock(lock) ? 1 : \
({preempt_enable(); local_bh_enable(); 0;});})
/* "lock on reference count zero" */
#ifndef ATOMIC_DEC_AND_LOCK
......
include/linux/ufs_fs.h
View file @ a49520cb
......@@ -33,6 +33,9 @@
#include <linux/stat.h>
#include <linux/fs.h>
#include <linux/ufs_fs_i.h>
#include <linux/ufs_fs_sb.h>
#define UFS_BBLOCK 0
#define UFS_BBSIZE 8192
#define UFS_SBLOCK 8192
......@@ -398,7 +401,7 @@ struct ufs_super_block {
* Convert cylinder group to base address of its global summary info.
*/
#define fs_cs(indx) \
u.ufs_sb.s_csp[(indx) >> uspi->s_csshift][(indx) & ~uspi->s_csmask]
s_csp[(indx) >> uspi->s_csshift][(indx) & ~uspi->s_csmask]
/*
* Cylinder group block for a file system.
......@@ -780,7 +783,10 @@ extern struct inode_operations ufs_fast_symlink_inode_operations;
/* truncate.c */
extern void ufs_truncate (struct inode *);
#include <linux/ufs_fs_i.h>
static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
{
return sb->u.generic_sbp;
}
static inline struct ufs_inode_info *UFS_I(struct inode *inode)
{
......
kernel/exit.c
View file @ a49520cb
......@@ -731,7 +731,7 @@ asmlinkage long sys_wait4(pid_t pid,unsigned int * stat_addr, int options, struc
tsk = next_thread(tsk);
} while (tsk != current);
read_unlock(&tasklist_lock);
if (flag) {
if (flag || !list_empty(&current->ptrace_children)) {
retval = 0;
if (options & WNOHANG)
goto end_wait4;
......
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