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[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 <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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Hugh Dickins 2006-12-06 20:39:18 -08:00 committed by Linus Torvalds
parent 126039256c
commit cd16c8f72a
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/balloc.c
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@ -1566,6 +1566,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
*/
if (my_rsv) {
my_rsv = NULL;
windowsz = 0;
group_no = goal_group;
goto retry_alloc;
}