From 18190cc08d70a6ec8ef69f0f6ede021f7cb3f9b8 Mon Sep 17 00:00:00 2001
From: Dave Kleikamp <shaggy@austin.ibm.com>
Date: Tue, 26 Jul 2005 09:29:13 -0500
Subject: 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>
---
fs/jfs/jfs_dtree.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
(limited to 'fs')
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 73b5fc7eda8..404f33eae50 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;
--
cgit