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Date: Tue, 28 Nov 2006 20:13:54 -0800 From: Mingming Cao <cmm@...ibm.com> To: Andrew Morton <akpm@...l.org>, Hugh Dickins <hugh@...itas.com> Cc: Mel Gorman <mel@...net.ie>, "Martin J. Bligh" <mbligh@...igh.org>, linux-kernel@...r.kernel.org, "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org> Subject: [PATCH 1/12] ext3 balloc: reset windowsz when full Port a series ext2 balloc patches from Hugh to ext3/4. The first 6 patches are against ext3, and the rest are aginst ext4. ------------------------------------------------------ Subject: ext2 balloc: reset windowsz when full From: Hugh Dickins <hugh@...itas.com> ext2_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. ------------------------------------------------------ Sync up reservation fix from ext2 Signed-off-by: Mingming Cao <cmm@...ibm.com> --- --- linux-2.6.19-rc5-cmm/fs/ext3/balloc.c | 1 + 1 file changed, 1 insertion(+) diff -puN fs/ext3/balloc.c~ext3_reset_windowsz_in_full_fs fs/ext3/balloc.c --- linux-2.6.19-rc5/fs/ext3/balloc.c~ext3_reset_windowsz_in_full_fs 2006-11-28 19:36:41.000000000 -0800 +++ linux-2.6.19-rc5-cmm/fs/ext3/balloc.c 2006-11-28 19:36:41.000000000 -0800 @@ -1552,6 +1552,7 @@ retry_alloc: */ if (my_rsv) { my_rsv = NULL; + windowsz = 0; group_no = goal_group; goto retry_alloc; } _ - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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