Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d0c7d676cc066413e1583b5af9fba8011972d41
Commit: 7d0c7d676cc066413e1583b5af9fba8011972d41
Parent: 0333cd8a3f4249fde2c50929a6eac35245fc685b
Author: Eric W. Biederman <[EMAIL PROTECTED]>
AuthorDate: Mon Aug 20 21:36:30 2007 +0900
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:51:07 2007 -0700
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 <[EMAIL PROTECTED]>
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
Cc: Cornelia Huck <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
fs/sysfs/dir.c | 4 +---
fs/sysfs/mount.c | 2 +-
fs/sysfs/symlink.c | 7 +++----
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 739dda1..7f4abe1 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 ac76256..8989cbb 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 a6b13f1..8ad38bc 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 8a0aea1..77253aa 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;
-
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