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Subject[PATCH] ext2 allocation failures
For almost a year (since 2.5.4) ext2_new_block has tended to set err
0 instead of -ENOSPC or -EIO. This manifested variously (typically
depends on what's stale in ext2_get_block's chain[4] array): sometimes
__brelse free free buffer backtraces, sometimes release_pages oops,
usually generic_make_request beyond end of device messages, followed
by further ext2 errors.

[Insert lecture on dangers of using goto for unwind :-]


--- 2.5.59/fs/ext2/balloc.c Tue Dec 24 06:23:03 2002
+++ linux/fs/ext2/balloc.c Tue Jan 21 20:14:37 2003
@@ -470,10 +470,10 @@

ext2_debug ("allocating block %d. ", block);

+ *err = 0;
group_release_blocks(desc, gdp_bh, group_alloc);
release_blocks(sb, es_alloc);
- *err = 0;
unlock_super (sb);
DQUOT_FREE_BLOCK(inode, dq_alloc);
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