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[1/2,v2] Documentation: filesystems: add new btrfs mount options

Message ID 1385052483-30220-1-git-send-email-dsterba@suse.cz (mailing list archive)
State New, archived
Headers show

Commit Message

David Sterba Nov. 21, 2013, 4:48 p.m. UTC 
Two new options were added in 3.12: commit and rescan_uuid_tree

CC: linux-doc@vger.kernel.org
Signed-off-by: David Sterba <dsterba@suse.cz>
---
v2: fix typo pointed out by Stefan

 Documentation/filesystems/btrfs.txt | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

Comments

Chris Mason Nov. 21, 2013, 4:53 p.m. UTC | #1 
Quoting David Sterba (2013-11-21 11:48:03)
> Two new options were added in 3.12: commit and rescan_uuid_tree
> 
> CC: linux-doc@vger.kernel.org
> Signed-off-by: David Sterba <dsterba@suse.cz>
> ---
> v2: fix typo pointed out by Stefan

You just caught me before the pull request.  V1 was already in
for-linus, so I rebased this one in.

-chris
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diff mbox

Patch

diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt
index 9dae59407437..81aaf1c1bbdc 100644
--- a/Documentation/filesystems/btrfs.txt
+++ b/Documentation/filesystems/btrfs.txt
@@ -70,6 +70,12 @@  Unless otherwise specified, all options default to off.
 
 	See comments at the top of fs/btrfs/check-integrity.c for more info.
 
+  commit=<seconds>
+	Set the interval of periodic commit, 30 seconds by default. Higher
+	values defer data being synced to permanent storage with obvious
+	consequences when the system crashes. The upper bound is not forced,
+	but a warning is printed if it's more than 300 seconds (5 minutes).
+
   compress
   compress=<type>
   compress-force
@@ -154,7 +160,11 @@  Unless otherwise specified, all options default to off.
 	Currently this scans a list of several previous tree roots and tries to 
 	use the first readable.
 
- skip_balance
+  rescan_uuid_tree
+	Force check and rebuild procedure of the UUID tree. This should not be
+	normally needed.
+
+  skip_balance
 	Skip automatic resume of interrupted balance operation after mount.
 	May be resumed with "btrfs balance resume."