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Commit 76f582a8 authored by Al Viro's avatar Al Viro
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[readdir] convert ncpfs 

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e72514e7
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Showing with 35 additions and 43 deletions
fs/ncpfs/dir.c
View file @ 76f582a8
......@@ -23,12 +23,12 @@
#include "ncp_fs.h"
static void ncp_read_volume_list(struct file *, void *, filldir_t,
static void ncp_read_volume_list(struct file *, struct dir_context *,
struct ncp_cache_control *);
static void ncp_do_readdir(struct file *, void *, filldir_t,
static void ncp_do_readdir(struct file *, struct dir_context *,
struct ncp_cache_control *);
static int ncp_readdir(struct file *, void *, filldir_t);
static int ncp_readdir(struct file *, struct dir_context *);
static int ncp_create(struct inode *, struct dentry *, umode_t, bool);
static struct dentry *ncp_lookup(struct inode *, struct dentry *, unsigned int);
......@@ -49,7 +49,7 @@ const struct file_operations ncp_dir_operations =
{
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = ncp_readdir,
.iterate = ncp_readdir,
.unlocked_ioctl = ncp_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ncp_compat_ioctl,
......@@ -424,9 +424,9 @@ static time_t ncp_obtain_mtime(struct dentry *dentry)
return ncp_date_dos2unix(i.modifyTime, i.modifyDate);
}
static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
static int ncp_readdir(struct file *file, struct dir_context *ctx)
{
struct dentry *dentry = filp->f_path.dentry;
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
struct page *page = NULL;
struct ncp_server *server = NCP_SERVER(inode);
......@@ -440,7 +440,7 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
DDPRINTK("ncp_readdir: reading %s/%s, pos=%d\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
(int) filp->f_pos);
(int) ctx->pos);
result = -EIO;
/* Do not generate '.' and '..' when server is dead. */
......@@ -448,16 +448,8 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
goto out;
result = 0;
if (filp->f_pos == 0) {
if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR))
goto out;
filp->f_pos = 1;
}
if (filp->f_pos == 1) {
if (filldir(dirent, "..", 2, 1, parent_ino(dentry), DT_DIR))
goto out;
filp->f_pos = 2;
}
if (!dir_emit_dots(file, ctx))
goto out;
page = grab_cache_page(&inode->i_data, 0);
if (!page)
......@@ -469,7 +461,7 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
if (!PageUptodate(page) || !ctl.head.eof)
goto init_cache;
if (filp->f_pos == 2) {
if (ctx->pos == 2) {
if (jiffies - ctl.head.time >= NCP_MAX_AGE(server))
goto init_cache;
......@@ -479,10 +471,10 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
goto init_cache;
}
if (filp->f_pos > ctl.head.end)
if (ctx->pos > ctl.head.end)
goto finished;
ctl.fpos = filp->f_pos + (NCP_DIRCACHE_START - 2);
ctl.fpos = ctx->pos + (NCP_DIRCACHE_START - 2);
ctl.ofs = ctl.fpos / NCP_DIRCACHE_SIZE;
ctl.idx = ctl.fpos % NCP_DIRCACHE_SIZE;
......@@ -497,21 +489,21 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
}
while (ctl.idx < NCP_DIRCACHE_SIZE) {
struct dentry *dent;
int res;
bool over;
dent = ncp_dget_fpos(ctl.cache->dentry[ctl.idx],
dentry, filp->f_pos);
dentry, ctx->pos);
if (!dent)
goto invalid_cache;
res = filldir(dirent, dent->d_name.name,
dent->d_name.len, filp->f_pos,
over = !dir_emit(ctx, dent->d_name.name,
dent->d_name.len,
dent->d_inode->i_ino, DT_UNKNOWN);
dput(dent);
if (res)
if (over)
goto finished;
filp->f_pos += 1;
ctx->pos += 1;
ctl.idx += 1;
if (filp->f_pos > ctl.head.end)
if (ctx->pos > ctl.head.end)
goto finished;
}
if (ctl.page) {
......@@ -548,9 +540,9 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
ctl.valid = 1;
read_really:
if (ncp_is_server_root(inode)) {
ncp_read_volume_list(filp, dirent, filldir, &ctl);
ncp_read_volume_list(file, ctx, &ctl);
} else {
ncp_do_readdir(filp, dirent, filldir, &ctl);
ncp_do_readdir(file, ctx, &ctl);
}
ctl.head.end = ctl.fpos - 1;
ctl.head.eof = ctl.valid;
......@@ -573,11 +565,11 @@ static int ncp_readdir(struct file *filp, void *dirent, filldir_t filldir)
}
static int
ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
ncp_fill_cache(struct file *file, struct dir_context *ctx,
struct ncp_cache_control *ctrl, struct ncp_entry_info *entry,
int inval_childs)
{
struct dentry *newdent, *dentry = filp->f_path.dentry;
struct dentry *newdent, *dentry = file->f_path.dentry;
struct inode *dir = dentry->d_inode;
struct ncp_cache_control ctl = *ctrl;
struct qstr qname;
......@@ -666,15 +658,15 @@ ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
end_advance:
if (!valid)
ctl.valid = 0;
if (!ctl.filled && (ctl.fpos == filp->f_pos)) {
if (!ctl.filled && (ctl.fpos == ctx->pos)) {
if (!ino)
ino = find_inode_number(dentry, &qname);
if (!ino)
ino = iunique(dir->i_sb, 2);
ctl.filled = filldir(dirent, qname.name, qname.len,
filp->f_pos, ino, DT_UNKNOWN);
ctl.filled = !dir_emit(ctx, qname.name, qname.len,
ino, DT_UNKNOWN);
if (!ctl.filled)
filp->f_pos += 1;
ctx->pos += 1;
}
ctl.fpos += 1;
ctl.idx += 1;
......@@ -683,10 +675,10 @@ ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
}
static void
ncp_read_volume_list(struct file *filp, void *dirent, filldir_t filldir,
ncp_read_volume_list(struct file *file, struct dir_context *ctx,
struct ncp_cache_control *ctl)
{
struct dentry *dentry = filp->f_path.dentry;
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
struct ncp_server *server = NCP_SERVER(inode);
struct ncp_volume_info info;
......@@ -694,7 +686,7 @@ ncp_read_volume_list(struct file *filp, void *dirent, filldir_t filldir,
int i;
DPRINTK("ncp_read_volume_list: pos=%ld\n",
(unsigned long) filp->f_pos);
(unsigned long) ctx->pos);
for (i = 0; i < NCP_NUMBER_OF_VOLUMES; i++) {
int inval_dentry;
......@@ -715,16 +707,16 @@ ncp_read_volume_list(struct file *filp, void *dirent, filldir_t filldir,
}
inval_dentry = ncp_update_known_namespace(server, entry.i.volNumber, NULL);
entry.volume = entry.i.volNumber;
if (!ncp_fill_cache(filp, dirent, filldir, ctl, &entry, inval_dentry))
if (!ncp_fill_cache(file, ctx, ctl, &entry, inval_dentry))
return;
}
}
static void
ncp_do_readdir(struct file *filp, void *dirent, filldir_t filldir,
ncp_do_readdir(struct file *file, struct dir_context *ctx,
struct ncp_cache_control *ctl)
{
struct dentry *dentry = filp->f_path.dentry;
struct dentry *dentry = file->f_path.dentry;
struct inode *dir = dentry->d_inode;
struct ncp_server *server = NCP_SERVER(dir);
struct nw_search_sequence seq;
......@@ -736,7 +728,7 @@ ncp_do_readdir(struct file *filp, void *dirent, filldir_t filldir,
DPRINTK("ncp_do_readdir: %s/%s, fpos=%ld\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
(unsigned long) filp->f_pos);
(unsigned long) ctx->pos);
PPRINTK("ncp_do_readdir: init %s, volnum=%d, dirent=%u\n",
dentry->d_name.name, NCP_FINFO(dir)->volNumber,
NCP_FINFO(dir)->dirEntNum);
......@@ -778,7 +770,7 @@ ncp_do_readdir(struct file *filp, void *dirent, filldir_t filldir,
rpl += onerpl;
rpls -= onerpl;
entry.volume = entry.i.volNumber;
if (!ncp_fill_cache(filp, dirent, filldir, ctl, &entry, 0))
if (!ncp_fill_cache(file, ctx, ctl, &entry, 0))
break;
}
} while (more);
......
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