diff options
| 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_discard.c | |
| parent | 46694129816851cb323e4bcf2dc41482d8d6c19b (diff) | |
| download | linux-4560e78f40cb55bd2ea8f1ef4001c5baa88531c7.tar.gz linux-4560e78f40cb55bd2ea8f1ef4001c5baa88531c7.tar.bz2 linux-4560e78f40cb55bd2ea8f1ef4001c5baa88531c7.zip | |
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_discard.c')
| -rw-r--r-- | fs/xfs/xfs_discard.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 4ff499aa7338..d796ffac7296 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -208,32 +208,3 @@ xfs_ioc_trim( return -EFAULT; return 0; } - -int -xfs_discard_extents( - struct xfs_mount *mp, - struct list_head *list) -{ - struct xfs_extent_busy *busyp; - int error = 0; - - list_for_each_entry(busyp, list, list) { - trace_xfs_discard_extent(mp, busyp->agno, busyp->bno, - busyp->length); - - error = blkdev_issue_discard(mp->m_ddev_targp->bt_bdev, - XFS_AGB_TO_DADDR(mp, busyp->agno, busyp->bno), - XFS_FSB_TO_BB(mp, busyp->length), - GFP_NOFS, 0); - if (error && error != -EOPNOTSUPP) { - xfs_info(mp, - "discard failed for extent [0x%llx,%u], error %d", - (unsigned long long)busyp->bno, - busyp->length, - error); - return error; - } - } - - return 0; -} |