diff options
Diffstat (limited to 'include/linux/mount.h')
-rw-r--r-- | include/linux/mount.h | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h index f8f39937e301..ffb0b5089880 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h | |||
@@ -37,6 +37,7 @@ struct vfsmount | |||
37 | struct list_head mnt_list; | 37 | struct list_head mnt_list; |
38 | struct list_head mnt_expire; /* link in fs-specific expiry list */ | 38 | struct list_head mnt_expire; /* link in fs-specific expiry list */ |
39 | struct namespace *mnt_namespace; /* containing namespace */ | 39 | struct namespace *mnt_namespace; /* containing namespace */ |
40 | int mnt_pinned; | ||
40 | }; | 41 | }; |
41 | 42 | ||
42 | static inline struct vfsmount *mntget(struct vfsmount *mnt) | 43 | static inline struct vfsmount *mntget(struct vfsmount *mnt) |
@@ -46,15 +47,9 @@ static inline struct vfsmount *mntget(struct vfsmount *mnt) | |||
46 | return mnt; | 47 | return mnt; |
47 | } | 48 | } |
48 | 49 | ||
49 | extern void __mntput(struct vfsmount *mnt); | 50 | extern void mntput_no_expire(struct vfsmount *mnt); |
50 | 51 | extern void mnt_pin(struct vfsmount *mnt); | |
51 | static inline void mntput_no_expire(struct vfsmount *mnt) | 52 | extern void mnt_unpin(struct vfsmount *mnt); |
52 | { | ||
53 | if (mnt) { | ||
54 | if (atomic_dec_and_test(&mnt->mnt_count)) | ||
55 | __mntput(mnt); | ||
56 | } | ||
57 | } | ||
58 | 53 | ||
59 | static inline void mntput(struct vfsmount *mnt) | 54 | static inline void mntput(struct vfsmount *mnt) |
60 | { | 55 | { |