[PATCH] ext4 balloc: reset windowsz when full

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 <[email protected]>
Signed-off-by: Hugh Dickins <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Hugh Dickins 2006-12-06 20:39:18 -08:00 • committed by Linus Torvalds
commit cd16c8f72a

View file

@ -1566,6 +1566,7 @@ retry_alloc:
*/
if (my_rsv) {
my_rsv = NULL;
windowsz = 0;
group_no = goal_group;
goto retry_alloc;
}