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| author |   Christoph Hellwig <hch@infradead.org> | 2012-02-29 09:53:48 +0000 |
|---|---|---|
| committer |   Ben Myers <bpm@sgi.com> | 2012-03-05 11:07:42 -0600 |
| commit | aa6bf01d391935a8929333bc2e243084ea0c58db (patch) | |
| tree | 686c204328f00ae91466267a9f1e85c3c8d767cb /fs/xfs/xfs_mount.h | |
| parent | quota: make Q_XQUOTASYNC a noop (diff) | |
| download | linux-dev-aa6bf01d391935a8929333bc2e243084ea0c58db.tar.xz linux-dev-aa6bf01d391935a8929333bc2e243084ea0c58db.zip | |
xfs: use per-filesystem I/O completion workqueues
The new concurrency managed workqueues are cheap enough that we can create
per-filesystem instead of global workqueues. This allows us to remove the
trylock or defer scheme on the ilock, which is not helpful once we have
outstanding log reservations until finishing a size update.
Also allow the default concurrency on this workqueues so that I/O completions
blocking on the ilock for one inode do not block process for another inode.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index c082e44dad2d..9eba73887829 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -211,6 +211,9 @@ typedef struct xfs_mount { struct shrinker m_inode_shrink; /* inode reclaim shrinker */ int64_t m_low_space[XFS_LOWSP_MAX]; /* low free space thresholds */ + + struct workqueue_struct *m_data_workqueue; + struct workqueue_struct *m_unwritten_workqueue; } xfs_mount_t; /* |