From: Hugh Dickins <hugh@xxxxxxxxxxx>
ext3_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@xxxxxxxxxx>
Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
Cc: <linux-ext4@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/ext3/balloc.c | 1 +
1 file changed, 1 insertion(+)
diff -puN fs/ext3/balloc.c~ext3-balloc-reset-windowsz-when-full fs/ext3/balloc.c
--- a/fs/ext3/balloc.c~ext3-balloc-reset-windowsz-when-full
+++ a/fs/ext3/balloc.c
@@ -1552,6 +1552,7 @@ retry_alloc:
*/
if (my_rsv) {
my_rsv = NULL;
+ windowsz = 0;
group_no = goal_group;
goto retry_alloc;
}
_
-
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