Skip to content

L
linux
Commit 0b6af0f0 authored by Oleg Drokin's avatar Oleg Drokin
Browse files
Options

reiserfs: Correctly free all the allocated memory if open of the journal failed. 

  Also added \n to some error messages.
parent bc7ae54e
Show whitespace changes
Inline Side-by-side
Showing with 36 additions and 40 deletions
fs/reiserfs/journal.c
View file @ 0b6af0f0
......@@ -1310,6 +1310,10 @@ static void free_journal_ram(struct super_block *p_s_sb) {
if (SB_JOURNAL(p_s_sb)->j_header_bh) {
brelse(SB_JOURNAL(p_s_sb)->j_header_bh) ;
}
/* j_header_bh is on the journal dev, make sure not to release the journal
* dev until we brelse j_header_bh
*/
release_journal_dev(p_s_sb, SB_JOURNAL(p_s_sb));
vfree(SB_JOURNAL(p_s_sb)) ;
}
......@@ -1341,7 +1345,6 @@ static int do_journal_release(struct reiserfs_transaction_handle *th, struct sup
commit_wq = NULL;
}
release_journal_dev( p_s_sb, SB_JOURNAL( p_s_sb ) );
free_journal_ram(p_s_sb) ;
return 0 ;
......@@ -1868,23 +1871,17 @@ static int release_journal_dev( struct super_block *super,
result = 0;
if( journal -> j_dev_file != NULL ) {
/*
* journal block device was taken via filp_open
*/
result = filp_close( journal -> j_dev_file, NULL );
journal -> j_dev_file = NULL;
journal -> j_dev_bd = NULL;
} else if( journal -> j_dev_bd != NULL ) {
/*
* journal block device was taken via bdget and blkdev_get
*/
result = blkdev_put( journal -> j_dev_bd, BDEV_FS );
journal -> j_dev_bd = NULL;
}
if( result != 0 ) {
reiserfs_warning("sh-457: release_journal_dev: Cannot release journal device: %i", result );
reiserfs_warning("sh-457: release_journal_dev: Cannot release journal device: %i\n", result );
}
return result;
}
......@@ -1895,6 +1892,7 @@ static int journal_init_dev( struct super_block *super,
{
int result;
dev_t jdev;
int blkdev_mode = FMODE_READ | FMODE_WRITE;
result = 0;
......@@ -1902,12 +1900,16 @@ static int journal_init_dev( struct super_block *super,
journal -> j_dev_file = NULL;
jdev = SB_ONDISK_JOURNAL_DEVICE( super ) ?
SB_ONDISK_JOURNAL_DEVICE( super ) : super->s_dev;
if (bdev_read_only(super->s_bdev))
blkdev_mode = FMODE_READ;
/* there is no "jdev" option and journal is on separate device */
if( ( !jdev_name || !jdev_name[ 0 ] ) ) {
journal -> j_dev_bd = bdget(jdev);
if( journal -> j_dev_bd )
result = blkdev_get( journal -> j_dev_bd,
FMODE_READ | FMODE_WRITE, 0,
blkdev_mode, 0,
BDEV_FS );
else
result = -ENOMEM;
......@@ -1928,10 +1930,10 @@ static int journal_init_dev( struct super_block *super,
jdev_inode = journal -> j_dev_file -> f_dentry -> d_inode;
journal -> j_dev_bd = jdev_inode -> i_bdev;
if( !S_ISBLK( jdev_inode -> i_mode ) ) {
printk( "journal_init_dev: '%s' is not a block device", jdev_name );
printk( "journal_init_dev: '%s' is not a block device\n", jdev_name );
result = -ENOTBLK;
} else if( jdev_inode -> i_bdev == NULL ) {
printk( "journal_init_dev: bdev uninitialized for '%s'", jdev_name );
printk( "journal_init_dev: bdev uninitialized for '%s'\n", jdev_name );
result = -ENOMEM;
} else {
/* ok */
......@@ -1941,12 +1943,12 @@ static int journal_init_dev( struct super_block *super,
} else {
result = PTR_ERR( journal -> j_dev_file );
journal -> j_dev_file = NULL;
printk( "journal_init_dev: Cannot open '%s': %i", jdev_name, result );
printk( "journal_init_dev: Cannot open '%s': %i\n", jdev_name, result );
}
if( result != 0 ) {
release_journal_dev( super, journal );
}
printk( "journal_init_dev: journal device: %s", bdevname(journal->j_dev_bd));
printk( "journal_init_dev: journal device: %s\n", bdevname(journal->j_dev_bd));
return result;
}
......@@ -1961,8 +1963,7 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
struct reiserfs_journal *journal;
if (sizeof(struct reiserfs_journal_commit) != 4096 ||
sizeof(struct reiserfs_journal_desc) != 4096
) {
sizeof(struct reiserfs_journal_desc) != 4096) {
printk("journal-1249: commit or desc struct not 4096 %Zd %Zd\n", sizeof(struct reiserfs_journal_commit),
sizeof(struct reiserfs_journal_desc)) ;
return 1 ;
......@@ -1974,6 +1975,11 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
return 1 ;
}
memset(journal, 0, sizeof(struct reiserfs_journal)) ;
INIT_LIST_HEAD(&SB_JOURNAL(p_s_sb)->j_bitmap_nodes) ;
INIT_LIST_HEAD (&SB_JOURNAL(p_s_sb)->j_prealloc_list);
reiserfs_allocate_list_bitmaps(p_s_sb, SB_JOURNAL(p_s_sb)->j_list_bitmap,
SB_BMAP_NR(p_s_sb)) ;
allocate_bitmap_nodes(p_s_sb) ;
/* reserved for journal area support */
SB_JOURNAL_1st_RESERVED_BLOCK(p_s_sb) = (old_format ?
......@@ -1983,7 +1989,7 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
if( journal_init_dev( p_s_sb, journal, j_dev_name ) != 0 ) {
printk( "sh-462: unable to initialize jornal device\n");
return 1;
goto free_and_return;
}
rs = SB_DISK_SUPER_BLOCK(p_s_sb);
......@@ -1993,8 +1999,7 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + SB_ONDISK_JOURNAL_SIZE(p_s_sb));
if (!bhjh) {
printk("sh-459: unable to read journal header\n") ;
release_journal_dev(p_s_sb, journal);
return 1 ;
goto free_and_return;
}
jh = (struct reiserfs_journal_header *)(bhjh->b_data);
......@@ -2005,8 +2010,7 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
jh->jh_journal.jp_journal_magic, bdevname( SB_JOURNAL(p_s_sb)->j_dev_bd ),
sb_jp_journal_magic(rs), reiserfs_bdevname (p_s_sb));
brelse (bhjh);
release_journal_dev(p_s_sb, journal);
return 1 ;
goto free_and_return;
}
SB_JOURNAL_TRANS_MAX(p_s_sb) = le32_to_cpu (jh->jh_journal.jp_journal_trans_max);
......@@ -2064,7 +2068,6 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
brelse (bhjh);
SB_JOURNAL(p_s_sb)->j_list_bitmap_index = 0 ;
SB_JOURNAL_LIST_INDEX(p_s_sb) = -10000 ; /* make sure flush_old_commits does not try to flush a list while replay is on */
......@@ -2075,12 +2078,8 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
memset(SB_JOURNAL(p_s_sb)->j_list_hash_table, 0, JOURNAL_HASH_SIZE * sizeof(struct reiserfs_journal_cnode *)) ;
memset(journal_writers, 0, sizeof(char *) * 512) ; /* debug code */
INIT_LIST_HEAD(&SB_JOURNAL(p_s_sb)->j_bitmap_nodes) ;
INIT_LIST_HEAD(&SB_JOURNAL(p_s_sb)->j_dirty_buffers) ;
spin_lock_init(&SB_JOURNAL(p_s_sb)->j_dirty_buffers_lock) ;
reiserfs_allocate_list_bitmaps(p_s_sb, SB_JOURNAL(p_s_sb)->j_list_bitmap,
SB_BMAP_NR(p_s_sb)) ;
allocate_bitmap_nodes(p_s_sb) ;
SB_JOURNAL(p_s_sb)->j_start = 0 ;
SB_JOURNAL(p_s_sb)->j_len = 0 ;
......@@ -2107,20 +2106,15 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
SB_JOURNAL_LIST(p_s_sb)[0].j_list_bitmap = get_list_bitmap(p_s_sb, SB_JOURNAL_LIST(p_s_sb)) ;
if (!(SB_JOURNAL_LIST(p_s_sb)[0].j_list_bitmap)) {
reiserfs_warning("journal-2005, get_list_bitmap failed for journal list 0\n") ;
release_journal_dev(p_s_sb, journal);
return 1 ;
goto free_and_return;
}
if (journal_read(p_s_sb) < 0) {
reiserfs_warning("Replay Failure, unable to mount\n") ;
free_journal_ram(p_s_sb) ;
release_journal_dev(p_s_sb, journal);
return 1 ;
goto free_and_return;
}
SB_JOURNAL_LIST_INDEX(p_s_sb) = 0 ; /* once the read is done, we can set this
where it belongs */
INIT_LIST_HEAD (&SB_JOURNAL(p_s_sb)->j_prealloc_list);
if (reiserfs_dont_log (p_s_sb))
return 0;
......@@ -2129,7 +2123,9 @@ int journal_init(struct super_block *p_s_sb, const char * j_dev_name, int old_fo
commit_wq = create_workqueue("reiserfs");
return 0 ;
free_and_return:
free_journal_ram(p_s_sb);
return 1;
}
/*
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7