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authorDave Kleikamp <shaggy@austin.ibm.com>2005-07-26 09:29:13 -0500
committerDave Kleikamp <shaggy@austin.ibm.com>2005-07-26 09:29:13 -0500
commit18190cc08d70a6ec8ef69f0f6ede021f7cb3f9b8 (patch)
tree5e1d35d247e5ddd549283e0d71bb7810c04b02f1 /fs/jfs/jfs_dtree.c
parentc2783f3a625b2aba943ef94623e277557a91a448 (diff)
downloadlinux-18190cc08d70a6ec8ef69f0f6ede021f7cb3f9b8.tar.bz2
JFS: Fix i_blocks accounting when allocation fails
A failure in dbAlloc caused a directory's i_blocks to be incorrectly incremented, causing jfs_fsck to find the inode to be corrupt. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Diffstat (limited to 'fs/jfs/jfs_dtree.c')
-rw-r--r--fs/jfs/jfs_dtree.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 73b5fc7eda80..404f33eae507 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -381,9 +381,12 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
* It's time to move the inline table to an external
* page and begin to build the xtree
*/
- if (DQUOT_ALLOC_BLOCK(ip, sbi->nbperpage) ||
- dbAlloc(ip, 0, sbi->nbperpage, &xaddr))
- goto clean_up; /* No space */
+ if (DQUOT_ALLOC_BLOCK(ip, sbi->nbperpage))
+ goto clean_up;
+ if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr)) {
+ DQUOT_FREE_BLOCK(ip, sbi->nbperpage);
+ goto clean_up;
+ }
/*
* Save the table, we're going to overwrite it with the
@@ -397,13 +400,15 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
xtInitRoot(tid, ip);
/*
- * Allocate the first block & add it to the xtree
+ * Add the first block to the xtree
*/
if (xtInsert(tid, ip, 0, 0, sbi->nbperpage, &xaddr, 0)) {
/* This really shouldn't fail */
jfs_warn("add_index: xtInsert failed!");
memcpy(&jfs_ip->i_dirtable, temp_table,
sizeof (temp_table));
+ dbFree(ip, xaddr, sbi->nbperpage);
+ DQUOT_FREE_BLOCK(ip, sbi->nbperpage);
goto clean_up;
}
ip->i_size = PSIZE;