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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-26 10:49:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-26 10:49:11 -0700 |
| commit | 8a0599dd2471f2a2e409498c08a0ab339057ad06 (patch) | |
| tree | c23c72f3eb4a95d8854720be9d8a228d4adae54a /Documentation | |
| parent | 35806b4f7c5620b547f183e9d53f7cfaeabb582b (diff) | |
| parent | 233eebb9a96f956c541c0c9094fd321894bd93a7 (diff) | |
| download | linux-8a0599dd2471f2a2e409498c08a0ab339057ad06.tar.bz2 | |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: correctly decrement the extent buffer index in xfs_bmap_del_extent
xfs: check for valid indices in xfs_iext_get_ext and xfs_iext_idx_to_irec
xfs: fix up asserts in xfs_iflush_fork
xfs: do not do pointer arithmetic on extent records
xfs: do not use unchecked extent indices in xfs_bunmapi
xfs: do not use unchecked extent indices in xfs_bmapi
xfs: do not use unchecked extent indices in xfs_bmap_add_extent_*
xfs: remove if_lastex
xfs: remove the unused XFS_BMAPI_RSVBLOCKS flag
xfs: do not discard alloc btree blocks
xfs: add online discard support
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/xfs.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt index 7bff3e4f35df..3fc0c31a6f5d 100644 --- a/Documentation/filesystems/xfs.txt +++ b/Documentation/filesystems/xfs.txt @@ -39,6 +39,12 @@ When mounting an XFS filesystem, the following options are accepted. drive level write caching to be enabled, for devices that support write barriers. + discard + Issue command to let the block device reclaim space freed by the + filesystem. This is useful for SSD devices, thinly provisioned + LUNs and virtual machine images, but may have a performance + impact. This option is incompatible with the nodelaylog option. + dmapi Enable the DMAPI (Data Management API) event callouts. Use with the "mtpt" option. |