diff mbox series

[RFC,04/35] nfs: parse the {no}user_xattr option

Message ID 05d6bcef1c90fb3d635081d33071740ecffb6a8d.1568309119.git.fllinden@amazon.com (mailing list archive)
State New, archived
Headers show
Series user xattr support (RFC8276) | expand

Commit Message

Frank van der Linden Aug. 26, 2019, 9:53 p.m. UTC 
Parse the {no}user_xattr option to enable the optional NFS4.2 user
extended attribute support.

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
---
 fs/nfs/super.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 703f595dce90..bbb93bc87887 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -93,6 +93,7 @@  enum {
 	Opt_resvport, Opt_noresvport,
 	Opt_fscache, Opt_nofscache,
 	Opt_migration, Opt_nomigration,
+	Opt_user_xattr, Opt_nouser_xattr,
 
 	/* Mount options that take integer arguments */
 	Opt_port,
@@ -190,6 +191,9 @@  static const match_table_t nfs_mount_option_tokens = {
 	{ Opt_fscache_uniq, "fsc=%s" },
 	{ Opt_local_lock, "local_lock=%s" },
 
+	{ Opt_user_xattr, "user_xattr" },
+	{ Opt_nouser_xattr, "nouser_xattr" },
+
 	/* The following needs to be listed after all other options */
 	{ Opt_nfsvers, "v%s" },
 
@@ -643,6 +647,7 @@  static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
 		{ NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
 		{ NFS_MOUNT_UNSHARED, ",nosharecache", "" },
 		{ NFS_MOUNT_NORESVPORT, ",noresvport", "" },
+		{ NFS_MOUNT_USER_XATTR, ",user_xattr", "" },
 		{ 0, NULL, NULL }
 	};
 	const struct proc_nfs_info *nfs_infop;
@@ -1316,6 +1321,12 @@  static int nfs_parse_mount_options(char *raw,
 		case Opt_noacl:
 			mnt->flags |= NFS_MOUNT_NOACL;
 			break;
+		case Opt_user_xattr:
+			mnt->flags |= NFS_MOUNT_USER_XATTR;
+			break;
+		case Opt_nouser_xattr:
+			mnt->flags &= ~NFS_MOUNT_USER_XATTR;
+			break;
 		case Opt_rdirplus:
 			mnt->flags &= ~NFS_MOUNT_NORDIRPLUS;
 			break;