reiserfs: switch to generic_{get,set,remove}xattr()

commit 79a628d14ec7ee9adfdc3ce04343d5ff7ec20c18 upstream.

reiserfs_xattr_[sg]et() will fail with -EOPNOTSUPP for V1 inodes anyway,
and all reiserfs instances of ->[sg]et() call it and so does ->set_acl().

Checks for name length in the instances had been bogus; they should've
been "bugger off if it's _exactly_ the prefix" (as generic would
do on its own) and not "bugger off if it's shorter than the prefix" -
that can't happen.

xattr_full_name() is needed to adjust for the fact that generic instances
will skip the prefix in the name passed to ->[gs]et(); reiserfs homegrown
analogues didn't.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[jeffm: Backported to v4.4: adjust context]
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 54 deletions

diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 66b26fdfff8d..a8dbc93e45eb 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -763,60 +763,6 @@ find_xattr_handler_prefix(const struct xattr_handler **handlers,
 	return xah;
 }
 
-
-/*
- * Inode operation getxattr()
- */
-ssize_t
-reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,
-		  size_t size)
-{
-	const struct xattr_handler *handler;
-
-	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
-	if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
-		return -EOPNOTSUPP;
-
-	return handler->get(handler, dentry, name, buffer, size);
-}
-
-/*
- * Inode operation setxattr()
- *
- * d_inode(dentry)->i_mutex down
- */
-int
-reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
-		  size_t size, int flags)
-{
-	const struct xattr_handler *handler;
-
-	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
-	if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
-		return -EOPNOTSUPP;
-
-	return handler->set(handler, dentry, name, value, size, flags);
-}
-
-/*
- * Inode operation removexattr()
- *
- * d_inode(dentry)->i_mutex down
- */
-int reiserfs_removexattr(struct dentry *dentry, const char *name)
-{
-	const struct xattr_handler *handler;
-
-	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
-	if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
-		return -EOPNOTSUPP;
-
-	return handler->set(handler, dentry, name, NULL, 0, XATTR_REPLACE);
-}
-
 struct listxattr_buf {
 	struct dir_context ctx;
 	size_t size;