xattr handlers: Pass handler to operations instead of flags
The xattr_handler operations are currently all passed a file system
specific flags value which the operations can use to disambiguate between
different handlers; some file systems use that to distinguish the xattr
namespace, for example. In some oprations, it would be useful to also have
access to the handler prefix. To allow that, pass a pointer to the handler
to operations instead of the flags value alone.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0e5ff69..ab84c4d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6249,9 +6249,10 @@
#define XATTR_NAME_NFSV4_ACL "system.nfs4_acl"
-static int nfs4_xattr_set_nfs4_acl(struct dentry *dentry, const char *key,
+static int nfs4_xattr_set_nfs4_acl(const struct xattr_handler *handler,
+ struct dentry *dentry, const char *key,
const void *buf, size_t buflen,
- int flags, int type)
+ int flags)
{
if (strcmp(key, "") != 0)
return -EINVAL;
@@ -6259,8 +6260,9 @@
return nfs4_proc_set_acl(d_inode(dentry), buf, buflen);
}
-static int nfs4_xattr_get_nfs4_acl(struct dentry *dentry, const char *key,
- void *buf, size_t buflen, int type)
+static int nfs4_xattr_get_nfs4_acl(const struct xattr_handler *handler,
+ struct dentry *dentry, const char *key,
+ void *buf, size_t buflen)
{
if (strcmp(key, "") != 0)
return -EINVAL;
@@ -6268,9 +6270,10 @@
return nfs4_proc_get_acl(d_inode(dentry), buf, buflen);
}
-static size_t nfs4_xattr_list_nfs4_acl(struct dentry *dentry, char *list,
+static size_t nfs4_xattr_list_nfs4_acl(const struct xattr_handler *handler,
+ struct dentry *dentry, char *list,
size_t list_len, const char *name,
- size_t name_len, int type)
+ size_t name_len)
{
size_t len = sizeof(XATTR_NAME_NFSV4_ACL);
@@ -6288,9 +6291,10 @@
return server->caps & NFS_CAP_SECURITY_LABEL;
}
-static int nfs4_xattr_set_nfs4_label(struct dentry *dentry, const char *key,
- const void *buf, size_t buflen,
- int flags, int type)
+static int nfs4_xattr_set_nfs4_label(const struct xattr_handler *handler,
+ struct dentry *dentry, const char *key,
+ const void *buf, size_t buflen,
+ int flags)
{
if (security_ismaclabel(key))
return nfs4_set_security_label(dentry, buf, buflen);
@@ -6298,17 +6302,19 @@
return -EOPNOTSUPP;
}
-static int nfs4_xattr_get_nfs4_label(struct dentry *dentry, const char *key,
- void *buf, size_t buflen, int type)
+static int nfs4_xattr_get_nfs4_label(const struct xattr_handler *handler,
+ struct dentry *dentry, const char *key,
+ void *buf, size_t buflen)
{
if (security_ismaclabel(key))
return nfs4_get_security_label(d_inode(dentry), buf, buflen);
return -EOPNOTSUPP;
}
-static size_t nfs4_xattr_list_nfs4_label(struct dentry *dentry, char *list,
- size_t list_len, const char *name,
- size_t name_len, int type)
+static size_t nfs4_xattr_list_nfs4_label(const struct xattr_handler *handler,
+ struct dentry *dentry, char *list,
+ size_t list_len, const char *name,
+ size_t name_len)
{
size_t len = 0;