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authorJeff Mahoney <jeffm@suse.com>2009-05-11 00:05:39 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2009-06-12 05:35:58 +0400
commit73422811d290c628b4ddbf6830e5cd6fa42e84f1 (patch)
tree9308c36ee82a8217b02848372896209335c69575 /fs/reiserfs
parenta525890cb6a2949b644d212ae290b658967d3919 (diff)
downloadlinux-73422811d290c628b4ddbf6830e5cd6fa42e84f1.tar.xz
reiserfs: allow exposing privroot w/ xattrs enabled
This patch adds an -oexpose_privroot option to allow access to the privroot. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/dir.c10
-rw-r--r--fs/reiserfs/super.c1
-rw-r--r--fs/reiserfs/xattr.c3
3 files changed, 7 insertions, 7 deletions
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index 45ee3d357c70..6d2668fdc384 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -44,13 +44,11 @@ static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
static inline bool is_privroot_deh(struct dentry *dir,
struct reiserfs_de_head *deh)
{
- int ret = 0;
-#ifdef CONFIG_REISERFS_FS_XATTR
struct dentry *privroot = REISERFS_SB(dir->d_sb)->priv_root;
- ret = (dir == dir->d_parent && privroot->d_inode &&
- deh->deh_objectid == INODE_PKEY(privroot->d_inode)->k_objectid);
-#endif
- return ret;
+ if (reiserfs_expose_privroot(dir->d_sb))
+ return 0;
+ return (dir == dir->d_parent && privroot->d_inode &&
+ deh->deh_objectid == INODE_PKEY(privroot->d_inode)->k_objectid);
}
int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent,
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 3567fb9e3fb1..9dbdcfb5d314 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -898,6 +898,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin
{"conv",.setmask = 1 << REISERFS_CONVERT},
{"attrs",.setmask = 1 << REISERFS_ATTRS},
{"noattrs",.clrmask = 1 << REISERFS_ATTRS},
+ {"expose_privroot", .setmask = 1 << REISERFS_EXPOSE_PRIVROOT},
#ifdef CONFIG_REISERFS_FS_XATTR
{"user_xattr",.setmask = 1 << REISERFS_XATTRS_USER},
{"nouser_xattr",.clrmask = 1 << REISERFS_XATTRS_USER},
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 8e7deb0e6964..f3d47d856848 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -981,7 +981,8 @@ int reiserfs_lookup_privroot(struct super_block *s)
strlen(PRIVROOT_NAME));
if (!IS_ERR(dentry)) {
REISERFS_SB(s)->priv_root = dentry;
- s->s_root->d_op = &xattr_lookup_poison_ops;
+ if (!reiserfs_expose_privroot(s))
+ s->s_root->d_op = &xattr_lookup_poison_ops;
if (dentry->d_inode)
dentry->d_inode->i_flags |= S_PRIVATE;
} else