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| author | Chris Mason <chris.mason@oracle.com> | 2007-12-17 20:14:01 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:58 -0400 |
| commit | be20aa9dbadc8c06283784ee12bbc0d97dea3418 (patch) | |
| tree | 52bd8b7e21b36d10dbb48f8b163eea992c9cfd4a /fs/btrfs/disk-io.c | |
| parent | b6cda9bcb4df7544c67fc3548a53bc1607d59f46 (diff) | |
Btrfs: Add mount option to turn off data cow
A number of workloads do not require copy on write data or checksumming.
mount -o nodatasum to disable checksums and -o nodatacow to disable
both copy on write and checksumming.
In nodatacow mode, copy on write is still performed when a given extent
is under snapshot.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
0 files changed, 0 insertions, 0 deletions