diff options
| author | Daniel Rosenberg <drosen@google.com> | 2016-10-26 15:29:51 -0700 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2017-02-03 14:16:53 +0530 |
| commit | df3ebc9cd524a9ff3fb070803b5271f1127d0610 (patch) | |
| tree | 46b37b632d437ab19d169fe965c239ee4b40c8a5 /fs/pnode.c | |
| parent | 3f97a7c3160a81f8589657820bbb376bace1cf87 (diff) | |
ANDROID: mnt: Add filesystem private data to mount points
This starts to add private data associated directly
to mount points. The intent is to give filesystems
a sense of where they have come from, as a means of
letting a filesystem take different actions based on
this information.
Change-Id: Ie769d7b3bb2f5972afe05c1bf16cf88c91647ab2
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Diffstat (limited to 'fs/pnode.c')
| -rw-r--r-- | fs/pnode.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/pnode.c b/fs/pnode.c index 99899705b105..69b86b61af35 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -458,3 +458,17 @@ int propagate_umount(struct list_head *list) __propagate_umount(mnt); return 0; } + +int propagate_remount(struct mount *mnt) { + struct mount *m; + struct super_block *sb = mnt->mnt.mnt_sb; + int ret = 0; + + if (sb->s_op->copy_mnt_data) { + for (m = first_slave(mnt); m->mnt_slave.next != &mnt->mnt_slave_list; m = next_slave(m)) { + sb->s_op->copy_mnt_data(m->mnt.data, mnt->mnt.data); + } + } + + return ret; +} |