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| author | Tino Reichardt <milky-kernel@mcmilk.de> | 2012-09-17 11:58:19 -0500 |
|---|---|---|
| committer | Dave Kleikamp <dave.kleikamp@oracle.com> | 2012-09-17 11:58:19 -0500 |
| commit | b40c2e665cd552eae5fbdbb878bc29a34357668e (patch) | |
| tree | 23714e5773a77abf1daf71ca7958dcd8dfa688ea /fs/jfs/jfs_incore.h | |
| parent | fbcbe2b3c92ee1c930dcfcf8bb764074c100fd63 (diff) | |
| download | linux-b40c2e665cd552eae5fbdbb878bc29a34357668e.tar.bz2 | |
fs/jfs: TRIM support for JFS Filesystem
This patch adds support for the two linux interfaces of the discard/TRIM
command for SSD devices and sparse/thinly-provisioned LUNs.
JFS will support batched discard via FITRIM ioctl and online discard
with the discard mount option.
Signed-off-by: Tino Reichardt <list-jfs@mcmilk.de>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Diffstat (limited to 'fs/jfs/jfs_incore.h')
| -rw-r--r-- | fs/jfs/jfs_incore.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/jfs/jfs_incore.h b/fs/jfs/jfs_incore.h index 584a4a1a6e81..4fa958ae1986 100644 --- a/fs/jfs/jfs_incore.h +++ b/fs/jfs/jfs_incore.h @@ -195,6 +195,7 @@ struct jfs_sb_info { uint uid; /* uid to override on-disk uid */ uint gid; /* gid to override on-disk gid */ uint umask; /* umask to override on-disk umask */ + uint minblks_trim; /* minimum blocks, for online trim */ }; /* jfs_sb_info commit_state */ |