* [patch 273/354] ext4 balloc: reset windowsz when full
@ 2006-12-07 4:39 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2006-12-07 4:39 UTC (permalink / raw)
To: torvalds; +Cc: akpm, hugh, cmm, linux-ext4
From: Hugh Dickins <hugh@veritas.com>
ext4_new_blocks should reset the reservation window size to 0 when squeezing
the last blocks out of an almost full filesystem, so the retry doesn't skip
any groups with less than half that free, reporting ENOSPC too soon.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
fs/ext4/balloc.c | 1 +
1 file changed, 1 insertion(+)
diff -puN fs/ext4/balloc.c~ext4-balloc-reset-windowsz-when-full fs/ext4/balloc.c
--- a/fs/ext4/balloc.c~ext4-balloc-reset-windowsz-when-full
+++ a/fs/ext4/balloc.c
@@ -1566,6 +1566,7 @@ retry_alloc:
*/
if (my_rsv) {
my_rsv = NULL;
+ windowsz = 0;
group_no = goal_group;
goto retry_alloc;
}
_
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2006-12-07 4:39 [patch 273/354] ext4 balloc: reset windowsz when full akpm
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