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authorChristoph Hellwig <hch@lst.de>2017-02-07 14:07:58 -0800
committerDarrick J. Wong <darrick.wong@oracle.com>2017-02-09 11:36:40 -0800
commit4560e78f40cb55bd2ea8f1ef4001c5baa88531c7 (patch)
tree8dc0b7babd87706130fbc1f7acc86f53eb6754a7 /fs/xfs/xfs_super.h
parent46694129816851cb323e4bcf2dc41482d8d6c19b (diff)
downloadlinux-4560e78f40cb55bd2ea8f1ef4001c5baa88531c7.tar.bz2
xfs: don't block the log commit handler for discards
Instead we submit the discard requests and use another workqueue to release the extents from the extent busy list. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_super.h')
-rw-r--r--fs/xfs/xfs_super.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h
index b6418abd85ad..5f2f32408011 100644
--- a/fs/xfs/xfs_super.h
+++ b/fs/xfs/xfs_super.h
@@ -73,6 +73,8 @@ extern const struct quotactl_ops xfs_quotactl_operations;
extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
+extern struct workqueue_struct *xfs_discard_wq;
+
#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
#endif /* __XFS_SUPER_H__ */