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xattr: remove unused argument

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his helpers is really just used to check for user.* xattr support so
don't make it pointlessly generic.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2023-02-01 14:14:54 +01:00 committed by Christian Brauner (Microsoft)
parent 2db8a94804
commit 831be973aa
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
3 changed files with 6 additions and 9 deletions
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3
fs/nfsd/nfs4xdr.c
View File

@ -3444,8 +3444,7 @@ out_acl:
p = xdr_reserve_space(xdr, 4);
if (!p)
goto out_resource;
err = xattr_supported_namespace(d_inode(dentry),
XATTR_USER_PREFIX);
err = xattr_supports_user_prefix(d_inode(dentry));
*p++ = cpu_to_be32(err == 0);
}

10
fs/xattr.c
View File

@ -160,11 +160,10 @@ xattr_permission(struct mnt_idmap *idmap, struct inode *inode,
* Look for any handler that deals with the specified namespace.
*/
int
xattr_supported_namespace(struct inode *inode, const char *prefix)
xattr_supports_user_prefix(struct inode *inode)
{
const struct xattr_handler **handlers = inode->i_sb->s_xattr;
const struct xattr_handler *handler;
size_t preflen;
if (!(inode->i_opflags & IOP_XATTR)) {
if (unlikely(is_bad_inode(inode)))
@ -172,16 +171,15 @@ xattr_supported_namespace(struct inode *inode, const char *prefix)
return -EOPNOTSUPP;
}
preflen = strlen(prefix);
for_each_xattr_handler(handlers, handler) {
if (!strncmp(xattr_prefix(handler), prefix, preflen))
if (!strncmp(xattr_prefix(handler), XATTR_USER_PREFIX,
XATTR_USER_PREFIX_LEN))
return 0;
}
return -EOPNOTSUPP;
}
EXPORT_SYMBOL(xattr_supported_namespace);
EXPORT_SYMBOL(xattr_supports_user_prefix);
int
__vfs_setxattr(struct mnt_idmap *idmap, struct dentry *dentry,

2
include/linux/xattr.h
View File

@ -94,7 +94,7 @@ int vfs_getxattr_alloc(struct mnt_idmap *idmap,
struct dentry *dentry, const char *name,
char **xattr_value, size_t size, gfp_t flags);
int xattr_supported_namespace(struct inode *inode, const char *prefix);
int xattr_supports_user_prefix(struct inode *inode);
static inline const char *xattr_prefix(const struct xattr_handler *handler)
{