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| author | Al Viro | 2011-12-09 14:06:57 +0100 |
|---|---|---|
| committer | Al Viro | 2012-01-04 04:52:40 +0100 |
| commit | 2a79f17e4a641a2f463cb512cb0ec349844a147b (patch) | |
| tree | 8801127310d0a3492941bb284e83393844a19685 /fs/namespace.c | |
| parent | constify seq_file stuff (diff) | |
| download | kernel-qcow2-linux-2a79f17e4a641a2f463cb512cb0ec349844a147b.tar.gz kernel-qcow2-linux-2a79f17e4a641a2f463cb512cb0ec349844a147b.tar.xz kernel-qcow2-linux-2a79f17e4a641a2f463cb512cb0ec349844a147b.zip | |
vfs: mnt_drop_write_file()
new helper (wrapper around mnt_drop_write()) to be used in pair with
mnt_want_write_file().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 7a8f949cec1b..86b4f6406470 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -392,6 +392,12 @@ void mnt_drop_write(struct vfsmount *mnt) } EXPORT_SYMBOL_GPL(mnt_drop_write); +void mnt_drop_write_file(struct file *file) +{ + mnt_drop_write(file->f_path.mnt); +} +EXPORT_SYMBOL(mnt_drop_write_file); + static int mnt_make_readonly(struct vfsmount *mnt) { int ret = 0; |