A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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get rid of ->mnt_longterm

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it's enough to set ->mnt_ns of internal vfsmounts to something
distinct from all struct mnt_namespace out there; then we can
just use the check for ->mnt_ns != NULL in the fast path of
mntput_no_expire()

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-06-09 00:59:08 -04:00
commit f7a99c5b7c
5 changed files with 26 additions and 72 deletions
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2
fs/internal.h
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@ -50,8 +50,6 @@ extern int copy_mount_string(const void __user *, char **);
extern struct vfsmount *lookup_mnt(struct path *);
extern int finish_automount(struct vfsmount *, struct path *);
extern void mnt_make_longterm(struct vfsmount *);
extern void mnt_make_shortterm(struct vfsmount *);
extern int sb_prepare_remount_readonly(struct super_block *);
extern void __init mnt_init(void);