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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2014-01-06 09:58:26 +0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-01-28 13:20:16 -0800 |
| commit | fc0ca9af180b91aad2fbf2fe3b16a12e1e05a760 (patch) | |
| tree | c425161a10af5ea493cbcb2ee2a7010634689fce /Documentation/filesystems/btrfs.txt | |
| parent | 842bef5891aaf13e2dede01d86397d810fde2dd8 (diff) | |
| download | blackbird-op-linux-fc0ca9af180b91aad2fbf2fe3b16a12e1e05a760.tar.gz blackbird-op-linux-fc0ca9af180b91aad2fbf2fe3b16a12e1e05a760.zip | |
btrfs: Add noautodefrag mount option.
Btrfs has autodefrag mount option but no pairing noautodefrag option,
which makes it impossible to disable autodefrag without umount.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'Documentation/filesystems/btrfs.txt')
| -rw-r--r-- | Documentation/filesystems/btrfs.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt index ce487a2a88f8..e87609a4e21c 100644 --- a/Documentation/filesystems/btrfs.txt +++ b/Documentation/filesystems/btrfs.txt @@ -46,10 +46,12 @@ Options with (*) are default options and will not show in the mount options. bytes, optionally with a K, M, or G suffix, case insensitive. Default is 1MB. + noautodefrag(*) autodefrag - Detect small random writes into files and queue them up for the - defrag process. Works best for small files; Not well suited for - large database workloads. + Disable/enable auto defragmentation. + Auto defragmentation detects small random writes into files and queue + them up for the defrag process. Works best for small files; + Not well suited for large database workloads. check_int check_int_data |
