diff options
| author |   Eric W. Biederman <ebiederm@xmission.com> | 2007-08-20 21:36:30 +0900 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 14:51:07 -0700 |
| commit | 7d0c7d676cc066413e1583b5af9fba8011972d41 (patch) | |
| tree | 0afe89f9eca5e1e0ff31f5409a3568991cfceda2 /fs/sysfs | |
| parent | sysfs: Use kill_anon_super (diff) | |
| download | linux-dev-7d0c7d676cc066413e1583b5af9fba8011972d41.tar.xz linux-dev-7d0c7d676cc066413e1583b5af9fba8011972d41.zip | |
sysfs: Make sysfs_mount static
This patch modifies the users of sysfs_mount to use sysfs_root
instead (which is what they are looking for). It then
makes sysfs_mount static to keep people from using it
by accident.
The net result is slightly faster and cleaner code.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/sysfs')
| -rw-r--r-- | fs/sysfs/dir.c | 4 | ||||
| -rw-r--r-- | fs/sysfs/mount.c | 2 | ||||
| -rw-r--r-- | fs/sysfs/symlink.c | 7 | ||||
| -rw-r--r-- | fs/sysfs/sysfs.h | 1 |
4 files changed, 5 insertions, 9 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 739dda176b43..7f4abe176701 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -737,10 +737,8 @@ int sysfs_create_dir(struct kobject * kobj) if (kobj->parent) parent_sd = kobj->parent->sd; - else if (sysfs_mount && sysfs_mount->mnt_sb) - parent_sd = sysfs_mount->mnt_sb->s_root->d_fsdata; else - return -EFAULT; + parent_sd = &sysfs_root; error = create_dir(kobj, parent_sd, kobject_name(kobj), &sd); if (!error) diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index ac7625631fcf..8989cbb51a39 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -14,7 +14,7 @@ /* Random magic number */ #define SYSFS_MAGIC 0x62656572 -struct vfsmount *sysfs_mount; +static struct vfsmount *sysfs_mount; struct super_block * sysfs_sb = NULL; struct kmem_cache *sysfs_dir_cachep; diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index a6b13f12b0e7..8ad38bccc0e4 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -60,10 +60,9 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char BUG_ON(!name); - if (!kobj) { - if (sysfs_mount && sysfs_mount->mnt_sb) - parent_sd = sysfs_mount->mnt_sb->s_root->d_fsdata; - } else + if (!kobj) + parent_sd = &sysfs_root; + else parent_sd = kobj->sd; error = -EFAULT; diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 8a0aea1ab86d..77253aabc4af 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -51,7 +51,6 @@ struct sysfs_addrm_cxt { int cnt; }; -extern struct vfsmount * sysfs_mount; extern struct sysfs_dirent sysfs_root; extern struct kmem_cache *sysfs_dir_cachep; |