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[patch 7/7] vfs: mountinfo: show dominating group id

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Show peer group ID of nearest dominating group that has intersection
with the mount's namespace.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Miklos Szeredi
2008-03-27 13:06:26 +01:00
committed by Al Viro
parent 2d4d4864ac
commit 97e7e0f71d
4 changed files with 65 additions and 2 deletions
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6
Documentation/filesystems/proc.txt
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@@ -2374,8 +2374,14 @@ possible optional fields are:
shared:X mount is shared in peer group X
master:X mount is slave to peer group X
propagate_from:X mount is slave and receives propagation from peer group X (*)
unbindable mount is unbindable
(*) X is the closest dominant peer group under the process's root. If
X is the immediate master of the mount, or if there's no dominant peer
group under the same root, then only the "master:X" field is present
and not the "propagate_from:X" field.
For more information on mount propagation see:
Documentation/filesystems/sharedsubtree.txt