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-rw-r--r--Documentation/filesystems/exofs.txt10
1 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/filesystems/exofs.txt b/Documentation/filesystems/exofs.txt
index abd2a9b5b78..23583a13697 100644
--- a/Documentation/filesystems/exofs.txt
+++ b/Documentation/filesystems/exofs.txt
@@ -104,7 +104,15 @@ Where:
exofs specific options: Options are separated by commas (,)
pid=<integer> - The partition number to mount/create as
container of the filesystem.
- This option is mandatory.
+ This option is mandatory. integer can be
+ Hex by pre-pending an 0x to the number.
+ osdname=<id> - Mount by a device's osdname.
+ osdname is usually a 36 character uuid of the
+ form "d2683732-c906-4ee1-9dbd-c10c27bb40df".
+ It is one of the device's uuid specified in the
+ mkfs.exofs format command.
+ If this option is specified then the /dev/osdX
+ above can be empty and is ignored.
to=<integer> - Timeout in ticks for a single command.
default is (60 * HZ) [for debugging only]