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| author | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:48 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:57 +0200 |
| commit | 5be5758c114b18260c6fd4c8373bf89e39b0fe82 (patch) | |
| tree | 54390f904df6ff11e570f764c444356cf2709fda /fs/xfs/linux-2.6/xfs_discard.c | |
| parent | 71f66a6580c4e42df377bebbcca5c72661a40700 (diff) | |
| parent | 7f45e5cd1718ed769295033ca214032848a0097d (diff) | |
| download | blackbird-op-linux-5be5758c114b18260c6fd4c8373bf89e39b0fe82.tar.gz blackbird-op-linux-5be5758c114b18260c6fd4c8373bf89e39b0fe82.zip | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patches against new
code I have in queue.
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_discard.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_discard.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_discard.c b/fs/xfs/linux-2.6/xfs_discard.c index d61611c88012..244e797dae32 100644 --- a/fs/xfs/linux-2.6/xfs_discard.c +++ b/fs/xfs/linux-2.6/xfs_discard.c @@ -191,3 +191,32 @@ xfs_ioc_trim( return -XFS_ERROR(EFAULT); return 0; } + +int +xfs_discard_extents( + struct xfs_mount *mp, + struct list_head *list) +{ + struct xfs_busy_extent *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%llu,%u], error %d", + (unsigned long long)busyp->bno, + busyp->length, + error); + return error; + } + } + + return 0; +} |
