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| author | Jeff Garzik <jeff@garzik.org> | 2012-07-25 15:58:48 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-07-25 15:58:48 -0400 |
| commit | 8407884dd9164ec18ed2afc00f56b87e36c51fcf (patch) | |
| tree | b6ea42c231d7d39f454de28a068d78ce11709770 /fs/mount.h | |
| parent | dc7f71f486f4f5fa96f6dcf86833da020cde8a11 (diff) | |
| parent | bdc0077af574800d24318b6945cf2344e8dbb050 (diff) | |
Merge branch 'master' [vanilla Linus master] into libata-dev.git/upstream
Two bits were appended to the end of the bitfield
list in struct scsi_device. Resolve that conflict
by including both bits.
Conflicts:
include/scsi/scsi_device.h
Diffstat (limited to 'fs/mount.h')
| -rw-r--r-- | fs/mount.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/mount.h b/fs/mount.h index 4ef36d93e5a..4f291f9de64 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -22,7 +22,6 @@ struct mount { struct vfsmount mnt; #ifdef CONFIG_SMP struct mnt_pcp __percpu *mnt_pcp; - atomic_t mnt_longterm; /* how many of the refs are longterm */ #else int mnt_count; int mnt_writers; @@ -49,6 +48,8 @@ struct mount { int mnt_ghosts; }; +#define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ + static inline struct mount *real_mount(struct vfsmount *mnt) { return container_of(mnt, struct mount, mnt); @@ -59,6 +60,12 @@ static inline int mnt_has_parent(struct mount *mnt) return mnt != mnt->mnt_parent; } +static inline int is_mounted(struct vfsmount *mnt) +{ + /* neither detached nor internal? */ + return !IS_ERR_OR_NULL(real_mount(mnt)); +} + extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int); static inline void get_mnt_ns(struct mnt_namespace *ns) @@ -67,10 +74,12 @@ static inline void get_mnt_ns(struct mnt_namespace *ns) } struct proc_mounts { - struct seq_file m; /* must be the first element */ + struct seq_file m; struct mnt_namespace *ns; struct path root; int (*show)(struct seq_file *, struct vfsmount *); }; +#define proc_mounts(p) (container_of((p), struct proc_mounts, m)) + extern const struct seq_operations mounts_op; |