Patchwork [1/2] ext4: Allow quota file use root reservation

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Submitter Dmitri Monakho
Date Oct. 19, 2011, 10:16 a.m.
Message ID <1319019383-12603-1-git-send-email-dmonakhov@openvz.org>
Download mbox | patch
Permalink /patch/120581/
State Accepted
Headers show

Comments

Dmitri Monakho - Oct. 19, 2011, 10:16 a.m.
Quota file is fs's metadata, so it is reasonable  to permit use
root resevation if necessary. This patch fix 265'th xfstest failure

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
---
 fs/ext4/mballoc.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
Theodore Ts'o - Oct. 21, 2011, 12:11 a.m.
On Wed, Oct 19, 2011 at 02:16:22PM +0400, Dmitry Monakhov wrote:
> Quota file is fs's metadata, so it is reasonable  to permit use
> root resevation if necessary. This patch fix 265'th xfstest failure
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>

Applied to the ext4 tree, thanks.  I'll leave the ext3 patch to Jan.

					- Ted
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Patch

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 17a5a57..5a7b3b4 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4256,6 +4256,10 @@  ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 
 	trace_ext4_request_blocks(ar);
 
+	/* Allow to use superuser reservation for quota file */
+	if (IS_NOQUOTA(ar->inode))
+		ar->flags |= EXT4_MB_USE_ROOT_BLOCKS;
+
 	/*
 	 * For delayed allocation, we could skip the ENOSPC and
 	 * EDQUOT check, as blocks and quotas have been already