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| author | Miklos Szeredi <miklos@szeredi.hu> | 2005-09-06 15:18:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 16:57:43 -0700 |
| commit | 0494f6ec5d3a015d53b57e37280b93c19446676a (patch) | |
| tree | b48855ab886d962d50807047eeff086ee50b882a | |
| parent | 09dd17d3e5e43ea6d3f3a12829108c4ca13ff810 (diff) | |
| download | linux-stable-0494f6ec5d3a015d53b57e37280b93c19446676a.tar.gz linux-stable-0494f6ec5d3a015d53b57e37280b93c19446676a.tar.bz2 linux-stable-0494f6ec5d3a015d53b57e37280b93c19446676a.zip | |
[PATCH] use get_fs_struct() in proc
This patch cleans up proc_cwd_link() and proc_root_link() by factoring
out common code into get_fs_struct().
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: <viro@parcelfarce.linux.theplanet.co.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/proc/base.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 520978e49e92..73b1e94171b7 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -297,15 +297,21 @@ static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsm return -ENOENT; } -static int proc_cwd_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt) +static struct fs_struct *get_fs_struct(struct task_struct *task) { struct fs_struct *fs; - int result = -ENOENT; - task_lock(proc_task(inode)); - fs = proc_task(inode)->fs; + task_lock(task); + fs = task->fs; if(fs) atomic_inc(&fs->count); - task_unlock(proc_task(inode)); + task_unlock(task); + return fs; +} + +static int proc_cwd_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt) +{ + struct fs_struct *fs = get_fs_struct(proc_task(inode)); + int result = -ENOENT; if (fs) { read_lock(&fs->lock); *mnt = mntget(fs->pwdmnt); @@ -319,13 +325,8 @@ static int proc_cwd_link(struct inode *inode, struct dentry **dentry, struct vfs static int proc_root_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt) { - struct fs_struct *fs; + struct fs_struct *fs = get_fs_struct(proc_task(inode)); int result = -ENOENT; - task_lock(proc_task(inode)); - fs = proc_task(inode)->fs; - if(fs) - atomic_inc(&fs->count); - task_unlock(proc_task(inode)); if (fs) { read_lock(&fs->lock); *mnt = mntget(fs->rootmnt); |