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From: "Darrick J. Wong" <djwong@kernel.org>
To: djwong@kernel.org
Cc: Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org
Subject: [PATCH 03/11] xfs: xfs_inode_free_quota_blocks should scan project quota
Date: Mon, 18 Jan 2021 14:12:14 -0800	[thread overview]
Message-ID: <161100793468.88816.9429092187041160477.stgit@magnolia> (raw)
In-Reply-To: <161100791789.88816.10902093186807310995.stgit@magnolia>

From: Darrick J. Wong <djwong@kernel.org>

Buffered writers who have run out of quota reservation call
xfs_inode_free_quota_blocks to try to free any space reservations that
might reduce the quota usage.  Unfortunately, the buffered write path
treats "out of project quota" the same as "out of overall space" so this
function has never supported scanning for space that might ease an "out
of project quota" condition.

We're about to start using this function for cases where we actually
/can/ tell if we're out of project quota, so add in this functionality.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_icache.c |    9 +++++++++
 1 file changed, 9 insertions(+)


diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 89f9e692fde7..10c1a0dee17d 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1434,6 +1434,15 @@ xfs_inode_free_quota_blocks(
 		}
 	}
 
+	if (XFS_IS_PQUOTA_ENFORCED(ip->i_mount)) {
+		dq = xfs_inode_dquot(ip, XFS_DQTYPE_PROJ);
+		if (dq && xfs_dquot_lowsp(dq)) {
+			eofb.eof_prid = ip->i_d.di_projid;
+			eofb.eof_flags |= XFS_EOF_FLAGS_PRID;
+			do_work = true;
+		}
+	}
+
 	if (!do_work)
 		return false;
 


  parent reply	other threads:[~2021-01-18 22:14 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-18 22:11 [PATCHSET v3 00/11] xfs: try harder to reclaim space when we run out Darrick J. Wong
2021-01-18 22:12 ` [PATCH 01/11] xfs: refactor messy xfs_inode_free_quota_* functions Darrick J. Wong
2021-01-18 22:12 ` [PATCH 02/11] xfs: don't stall cowblocks scan if we can't take locks Darrick J. Wong
2021-01-19  6:49   ` Christoph Hellwig
2021-01-18 22:12 ` Darrick J. Wong [this message]
2021-01-18 22:12 ` [PATCH 04/11] xfs: move and rename xfs_inode_free_quota_blocks to avoid conflicts Darrick J. Wong
2021-01-19  6:53   ` Christoph Hellwig
2021-01-18 22:12 ` [PATCH 05/11] xfs: pass flags and return gc errors from xfs_blockgc_free_quota Darrick J. Wong
2021-01-19  6:59   ` Christoph Hellwig
2021-01-18 22:12 ` [PATCH 06/11] xfs: flush eof/cowblocks if we can't reserve quota for file blocks Darrick J. Wong
2021-01-19  3:56   ` Darrick J. Wong
2021-01-19  7:08   ` Christoph Hellwig
2021-01-19 19:43     ` Darrick J. Wong
2021-01-18 22:12 ` [PATCH 07/11] xfs: flush eof/cowblocks if we can't reserve quota for inode creation Darrick J. Wong
2021-01-18 22:12 ` [PATCH 08/11] xfs: flush eof/cowblocks if we can't reserve quota for chown Darrick J. Wong
2021-01-18 22:12 ` [PATCH 09/11] xfs: add a tracepoint for blockgc scans Darrick J. Wong
2021-01-19  7:11   ` Christoph Hellwig
2021-01-18 22:12 ` [PATCH 10/11] xfs: refactor xfs_icache_free_{eof,cow}blocks call sites Darrick J. Wong
2021-01-18 22:12 ` [PATCH 11/11] xfs: flush speculative space allocations when we run out of space Darrick J. Wong
2021-01-23 18:51 [PATCHSET v4 00/11] xfs: try harder to reclaim space when we run out Darrick J. Wong
2021-01-23 18:52 ` [PATCH 03/11] xfs: xfs_inode_free_quota_blocks should scan project quota Darrick J. Wong
2021-01-25 18:14   ` Brian Foster
2021-01-28  6:02 [PATCHSET v5 00/11] xfs: try harder to reclaim space when we run out Darrick J. Wong
2021-01-28  6:02 ` [PATCH 03/11] xfs: xfs_inode_free_quota_blocks should scan project quota Darrick J. Wong

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