ceph: add ceph.snap.btime vxattr (100cc610) · Commits · 戴 / test

fs/ceph/xattr.c

+27 −0

Original line number	Diff line number	Diff line
		@@ -273,6 +273,19 @@ static size_t ceph_vxattrcb_quota_max_files(struct ceph_inode_info *ci,
		return snprintf(val, size, "%llu", ci->i_max_files);
		}

		/* snapshots */
		static bool ceph_vxattrcb_snap_btime_exists(struct ceph_inode_info *ci)
		{
		return (ci->i_snap_btime.tv_sec != 0 \|\| ci->i_snap_btime.tv_nsec != 0);
		}

		static size_t ceph_vxattrcb_snap_btime(struct ceph_inode_info ci, char val,
		size_t size)
		{
		return snprintf(val, size, "%lld.%09ld", ci->i_snap_btime.tv_sec,
		ci->i_snap_btime.tv_nsec);
		}

		#define CEPH_XATTR_NAME(_type, _name) XATTR_CEPH_PREFIX #_type "." #_name
		#define CEPH_XATTR_NAME2(_type, _name, _name2) \
		XATTR_CEPH_PREFIX #_type "." #_name "." #_name2
		@@ -341,6 +354,13 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = {
		},
		XATTR_QUOTA_FIELD(quota, max_bytes),
		XATTR_QUOTA_FIELD(quota, max_files),
		{
		.name = "ceph.snap.btime",
		.name_size = sizeof("ceph.snap.btime"),
		.getxattr_cb = ceph_vxattrcb_snap_btime,
		.exists_cb = ceph_vxattrcb_snap_btime_exists,
		.flags = VXATTR_FLAG_READONLY,
		},
		{ .name = NULL, 0 } /* Required table terminator */
		};
		static size_t ceph_dir_vxattrs_name_size; /* total size of all names */
		@@ -360,6 +380,13 @@ static struct ceph_vxattr ceph_file_vxattrs[] = {
		XATTR_LAYOUT_FIELD(file, layout, object_size),
		XATTR_LAYOUT_FIELD(file, layout, pool),
		XATTR_LAYOUT_FIELD(file, layout, pool_namespace),
		{
		.name = "ceph.snap.btime",
		.name_size = sizeof("ceph.snap.btime"),
		.getxattr_cb = ceph_vxattrcb_snap_btime,
		.exists_cb = ceph_vxattrcb_snap_btime_exists,
		.flags = VXATTR_FLAG_READONLY,
		},
		{ .name = NULL, 0 } /* Required table terminator */
		};
		static size_t ceph_file_vxattrs_name_size; /* total size of all names */

Admin message