From 691bd4803727b19fc092d96644f8a214a86c34bf Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 23 Nov 2011 19:04:52 -0500 Subject: [PATCH] --- yaml --- r: 280142 b: refs/heads/master c: aa9c0e07bb90589186f3b5a0ca97660c2cb50806 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/fs/namespace.c | 35 +++++------------------------------ 2 files changed, 6 insertions(+), 31 deletions(-) diff --git a/[refs] b/[refs] index 7467bd0f08a9..2cc36abc4578 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: bad0dcffc21d17a07dbb83a2bf764f35a57feba5 +refs/heads/master: aa9c0e07bb90589186f3b5a0ca97660c2cb50806 diff --git a/trunk/fs/namespace.c b/trunk/fs/namespace.c index cfc6d4448aa5..31d357450f7f 100644 --- a/trunk/fs/namespace.c +++ b/trunk/fs/namespace.c @@ -152,31 +152,6 @@ static inline void mnt_add_count(struct vfsmount *mnt, int n) #endif } -static inline void mnt_set_count(struct vfsmount *mnt, int n) -{ -#ifdef CONFIG_SMP - this_cpu_write(mnt->mnt_pcp->mnt_count, n); -#else - mnt->mnt_count = n; -#endif -} - -/* - * vfsmount lock must be held for read - */ -static inline void mnt_inc_count(struct vfsmount *mnt) -{ - mnt_add_count(mnt, 1); -} - -/* - * vfsmount lock must be held for read - */ -static inline void mnt_dec_count(struct vfsmount *mnt) -{ - mnt_add_count(mnt, -1); -} - /* * vfsmount lock must be held for write */ @@ -780,20 +755,20 @@ static void mntput_no_expire(struct vfsmount *mnt) #ifdef CONFIG_SMP br_read_lock(vfsmount_lock); if (likely(atomic_read(&mnt->mnt_longterm))) { - mnt_dec_count(mnt); + mnt_add_count(mnt, -1); br_read_unlock(vfsmount_lock); return; } br_read_unlock(vfsmount_lock); br_write_lock(vfsmount_lock); - mnt_dec_count(mnt); + mnt_add_count(mnt, -1); if (mnt_get_count(mnt)) { br_write_unlock(vfsmount_lock); return; } #else - mnt_dec_count(mnt); + mnt_add_count(mnt, -1); if (likely(mnt_get_count(mnt))) return; br_write_lock(vfsmount_lock); @@ -823,7 +798,7 @@ EXPORT_SYMBOL(mntput); struct vfsmount *mntget(struct vfsmount *mnt) { if (mnt) - mnt_inc_count(mnt); + mnt_add_count(mnt, 1); return mnt; } EXPORT_SYMBOL(mntget); @@ -840,7 +815,7 @@ void mnt_unpin(struct vfsmount *mnt) { br_write_lock(vfsmount_lock); if (mnt->mnt_pinned) { - mnt_inc_count(mnt); + mnt_add_count(mnt, 1); mnt->mnt_pinned--; } br_write_unlock(vfsmount_lock);