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| author | Miklos Szeredi <mszeredi@suse.cz> | 2008-03-26 22:11:34 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-04-23 00:04:45 -0400 |
| commit | 73cd49ecdde92fdce131938bdaff4993010d181b (patch) | |
| tree | 90c9cd3597a915c1f820a3cd1fde1689e9a7ab1f /include/linux/mount.h | |
| parent | 9d1bc60138977d9c79471b344a64f2df13b2ccef (diff) | |
| download | lwn-73cd49ecdde92fdce131938bdaff4993010d181b.tar.gz lwn-73cd49ecdde92fdce131938bdaff4993010d181b.zip | |
[patch 3/7] vfs: mountinfo: add mount ID
Add a unique ID to each vfsmount using the IDR infrastructure. The
identifiers are reused after the vfsmount is freed.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/mount.h')
| -rw-r--r-- | include/linux/mount.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h index 87b24cea1863..f0dfb17ffccc 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -56,6 +56,7 @@ struct vfsmount { struct list_head mnt_slave; /* slave list entry */ struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */ struct mnt_namespace *mnt_ns; /* containing namespace */ + int mnt_id; /* mount identifier */ /* * We put mnt_count & mnt_expiry_mark at the end of struct vfsmount * to let these frequently modified fields in a separate cache line |