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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-11-25 00:30:56 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-01-03 22:57:09 -0500 |
| commit | 95bc5f25c10fcdf02c53af1eda987f58d0bc377c (patch) | |
| tree | 2219763ee8543e8c9a492796771bf0e8cbe44df0 /fs/namespace.c | |
| parent | 6776db3d32b2a59198ec7ac6d32be0b9fdbd8a68 (diff) | |
| download | lwn-95bc5f25c10fcdf02c53af1eda987f58d0bc377c.tar.gz lwn-95bc5f25c10fcdf02c53af1eda987f58d0bc377c.zip | |
vfs: spread struct mount - do_add_mount and graft_tree
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index a14750be7a70..6b5e0436acfd 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1666,19 +1666,19 @@ static void unlock_mount(struct path *path) mutex_unlock(&path->dentry->d_inode->i_mutex); } -static int graft_tree(struct vfsmount *mnt, struct path *path) +static int graft_tree(struct mount *mnt, struct path *path) { - if (mnt->mnt_sb->s_flags & MS_NOUSER) + if (mnt->mnt.mnt_sb->s_flags & MS_NOUSER) return -EINVAL; if (S_ISDIR(path->dentry->d_inode->i_mode) != - S_ISDIR(mnt->mnt_root->d_inode->i_mode)) + S_ISDIR(mnt->mnt.mnt_root->d_inode->i_mode)) return -ENOTDIR; if (d_unlinked(path->dentry)) return -ENOENT; - return attach_recursive_mnt(real_mount(mnt), path, NULL); + return attach_recursive_mnt(mnt, path, NULL); } /* @@ -1776,7 +1776,7 @@ static int do_loopback(struct path *path, char *old_name, if (!mnt) goto out2; - err = graft_tree(&mnt->mnt, path); + err = graft_tree(mnt, path); if (err) { br_write_lock(vfsmount_lock); umount_tree(mnt, 0, &umount_list); @@ -1972,7 +1972,7 @@ do_kern_mount(const char *fstype, int flags, const char *name, void *data) /* * add a mount into a namespace's mount tree */ -static int do_add_mount(struct vfsmount *newmnt, struct path *path, int mnt_flags) +static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags) { int err; @@ -1988,15 +1988,15 @@ static int do_add_mount(struct vfsmount *newmnt, struct path *path, int mnt_flag /* Refuse the same filesystem on the same mount point */ err = -EBUSY; - if (path->mnt->mnt_sb == newmnt->mnt_sb && + if (path->mnt->mnt_sb == newmnt->mnt.mnt_sb && path->mnt->mnt_root == path->dentry) goto unlock; err = -EINVAL; - if (S_ISLNK(newmnt->mnt_root->d_inode->i_mode)) + if (S_ISLNK(newmnt->mnt.mnt_root->d_inode->i_mode)) goto unlock; - newmnt->mnt_flags = mnt_flags; + newmnt->mnt.mnt_flags = mnt_flags; err = graft_tree(newmnt, path); unlock: @@ -2025,7 +2025,7 @@ static int do_new_mount(struct path *path, char *type, int flags, if (IS_ERR(mnt)) return PTR_ERR(mnt); - err = do_add_mount(mnt, path, mnt_flags); + err = do_add_mount(real_mount(mnt), path, mnt_flags); if (err) mntput(mnt); return err; @@ -2046,7 +2046,7 @@ int finish_automount(struct vfsmount *m, struct path *path) goto fail; } - err = do_add_mount(m, path, path->mnt->mnt_flags | MNT_SHRINKABLE); + err = do_add_mount(mnt, path, path->mnt->mnt_flags | MNT_SHRINKABLE); if (!err) return 0; fail: |