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authorJan Blunck <jblunck@suse.de>2008-02-14 19:34:38 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-14 21:13:33 -0800
commit6ac08c39a16f72c2d3e845cb6849a1392fa03e80 (patch)
treed7603571e9ab3ea4b57b7901211320e48d0c5ed8 /fs/dcache.c
parent5dd784d04924be5d8bc066aded0ec3274b20e612 (diff)
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Use struct path in fs_struct
* Use struct path in fs_struct. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Jan Blunck <jblunck@suse.de> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 44f6cf23b70e..66aaf52199e9 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1849,8 +1849,7 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
char *buf, int buflen)
{
char *res;
- struct vfsmount *rootmnt;
- struct dentry *root;
+ struct path root;
/*
* We have various synthetic filesystems that never get mounted. On
@@ -1863,14 +1862,13 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt,
return dentry->d_op->d_dname(dentry, buf, buflen);
read_lock(&current->fs->lock);
- rootmnt = mntget(current->fs->rootmnt);
- root = dget(current->fs->root);
+ root = current->fs->root;
+ path_get(&current->fs->root);
read_unlock(&current->fs->lock);
spin_lock(&dcache_lock);
- res = __d_path(dentry, vfsmnt, root, rootmnt, buf, buflen);
+ res = __d_path(dentry, vfsmnt, root.dentry, root.mnt, buf, buflen);
spin_unlock(&dcache_lock);
- dput(root);
- mntput(rootmnt);
+ path_put(&root);
return res;
}
@@ -1916,28 +1914,28 @@ char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen,
asmlinkage long sys_getcwd(char __user *buf, unsigned long size)
{
int error;
- struct vfsmount *pwdmnt, *rootmnt;
- struct dentry *pwd, *root;
+ struct path pwd, root;
char *page = (char *) __get_free_page(GFP_USER);
if (!page)
return -ENOMEM;
read_lock(&current->fs->lock);
- pwdmnt = mntget(current->fs->pwdmnt);
- pwd = dget(current->fs->pwd);
- rootmnt = mntget(current->fs->rootmnt);
- root = dget(current->fs->root);
+ pwd = current->fs->pwd;
+ path_get(&current->fs->pwd);
+ root = current->fs->root;
+ path_get(&current->fs->root);
read_unlock(&current->fs->lock);
error = -ENOENT;
/* Has the current directory has been unlinked? */
spin_lock(&dcache_lock);
- if (pwd->d_parent == pwd || !d_unhashed(pwd)) {
+ if (pwd.dentry->d_parent == pwd.dentry || !d_unhashed(pwd.dentry)) {
unsigned long len;
char * cwd;
- cwd = __d_path(pwd, pwdmnt, root, rootmnt, page, PAGE_SIZE);
+ cwd = __d_path(pwd.dentry, pwd.mnt, root.dentry, root.mnt,
+ page, PAGE_SIZE);
spin_unlock(&dcache_lock);
error = PTR_ERR(cwd);
@@ -1955,10 +1953,8 @@ asmlinkage long sys_getcwd(char __user *buf, unsigned long size)
spin_unlock(&dcache_lock);
out:
- dput(pwd);
- mntput(pwdmnt);
- dput(root);
- mntput(rootmnt);
+ path_put(&pwd);
+ path_put(&root);
free_page((unsigned long) page);
return error;
}