Btrfs: show subvol= and subvolid= in /proc/mounts

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Now that we're guaranteed to have a meaningful root dentry, we can just
export seq_dentry() and use it in btrfs_show_options(). The subvolume ID
is easy to get and can also be useful, so put that in there, too.

Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Chris Mason <clm@fb.com>

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Omar Sandoval 2015-05-18 02:16:31 -07:00 • committed by Chris Mason

parent 05dbe6837b

commit c8d3fe028f

2 changed files with 5 additions and 0 deletions

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4

fs/btrfs/super.c

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1

fs/seq_file.c

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