Btrfs: fix /proc/mounts info.
Some mount options are not displayed by /proc/mounts. This patch displays the option such as compress_type by /proc/mounts. Ex. [before] $ mount | grep sdc2 /dev/sdc2 on /test12 type btrfs (rw,space_cache,compress=lzo) $ cat /proc/mounts | grep sdc2 /dev/sdc2 /test12 btrfs rw,relatime,compress 0 0 [after] $ mount | grep sdc2 /dev/sdc2 on /test12 type btrfs (rw,space_cache,compress=lzo) $ cat /proc/mounts | grep sdc2 /dev/sdc2 /test12 btrfs rw,relatime,compress=lzo,space_cache 0 0 Signed-off-by: NTsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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