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| author | Christoph Hellwig <hch@lst.de> | 2017-02-07 14:07:58 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-02-09 11:36:40 -0800 |
| commit | 4560e78f40cb55bd2ea8f1ef4001c5baa88531c7 (patch) | |
| tree | 8dc0b7babd87706130fbc1f7acc86f53eb6754a7 /fs/xfs/xfs_super.c | |
| parent | 46694129816851cb323e4bcf2dc41482d8d6c19b (diff) | |
| download | linux-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.c')
| -rw-r--r-- | fs/xfs/xfs_super.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index eecbaac08eba..890862f2447c 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1956,12 +1956,20 @@ xfs_init_workqueues(void) if (!xfs_alloc_wq) return -ENOMEM; + xfs_discard_wq = alloc_workqueue("xfsdiscard", WQ_UNBOUND, 0); + if (!xfs_discard_wq) + goto out_free_alloc_wq; + return 0; +out_free_alloc_wq: + destroy_workqueue(xfs_alloc_wq); + return -ENOMEM; } STATIC void xfs_destroy_workqueues(void) { + destroy_workqueue(xfs_discard_wq); destroy_workqueue(xfs_alloc_wq); } |