From 48b32a3553a54740d236b79a90f20147a25875e3 Mon Sep 17 00:00:00 2001 From: Jeff Mahoney Date: Mon, 30 Mar 2009 14:02:38 -0400 Subject: reiserfs: use generic xattr handlers Christoph Hellwig had asked me quite some time ago to port the reiserfs xattrs to the generic xattr interface. This patch replaces the reiserfs-specific xattr handling code with the generic struct xattr_handler. However, since reiserfs doesn't split the prefix and name when accessing xattrs, it can't leverage generic_{set,get,list,remove}xattr without needlessly reconstructing the name on the back end. Update 7/26/07: Added missing dput() to deletion path. Update 8/30/07: Added missing mark_inode_dirty when i_mode is used to represent an ACL and no previous ACL existed. Signed-off-by: Jeff Mahoney Signed-off-by: Linus Torvalds --- fs/reiserfs/xattr_user.c | 31 ++++++++----------------------- 1 file changed, 8 insertions(+), 23 deletions(-) (limited to 'fs/reiserfs/xattr_user.c') diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c index 1384efcb938e..e3238dc4f3db 100644 --- a/fs/reiserfs/xattr_user.c +++ b/fs/reiserfs/xattr_user.c @@ -6,10 +6,6 @@ #include #include -#ifdef CONFIG_REISERFS_FS_POSIX_ACL -# include -#endif - static int user_get(struct inode *inode, const char *name, void *buffer, size_t size) { @@ -25,7 +21,6 @@ static int user_set(struct inode *inode, const char *name, const void *buffer, size_t size, int flags) { - if (strlen(name) < sizeof(XATTR_USER_PREFIX)) return -EINVAL; @@ -34,33 +29,23 @@ user_set(struct inode *inode, const char *name, const void *buffer, return reiserfs_xattr_set(inode, name, buffer, size, flags); } -static int user_del(struct inode *inode, const char *name) +static size_t user_list(struct inode *inode, char *list, size_t list_size, + const char *name, size_t name_len) { - if (strlen(name) < sizeof(XATTR_USER_PREFIX)) - return -EINVAL; - - if (!reiserfs_xattrs_user(inode->i_sb)) - return -EOPNOTSUPP; - return 0; -} + const size_t len = name_len + 1; -static int -user_list(struct inode *inode, const char *name, int namelen, char *out) -{ - int len = namelen; if (!reiserfs_xattrs_user(inode->i_sb)) return 0; - - if (out) - memcpy(out, name, len); - + if (list && len <= list_size) { + memcpy(list, name, name_len); + list[name_len] = '\0'; + } return len; } -struct reiserfs_xattr_handler user_handler = { +struct xattr_handler reiserfs_xattr_user_handler = { .prefix = XATTR_USER_PREFIX, .get = user_get, .set = user_set, - .del = user_del, .list = user_list, }; -- cgit v1.2.3-59-g8ed1b