X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=include%2Fsys%2Fzfs_vfsops.h;h=7b70f32ea5947a8f6d36c9b15696db31d61d0a9d;hb=5cb63a57f8d2d1a94e65b4710bfbb221b1a71700;hp=fc8be58bc4ff785d7a6c290ee50b058028873c32;hpb=86f35f34f419f6eaff53b25f463c13f72186b103;p=zfs.git

diff --git a/include/sys/zfs_vfsops.h b/include/sys/zfs_vfsops.h
index fc8be58..7b70f32 100644
--- a/include/sys/zfs_vfsops.h
+++ b/include/sys/zfs_vfsops.h
@@ -67,7 +67,8 @@ typedef struct zfs_sb {
 	boolean_t	z_unmounted;	/* unmounted */
 	rrwlock_t	z_teardown_lock;
 	krwlock_t	z_teardown_inactive_lock;
-	list_t		z_all_znodes;	/* all vnodes in the fs */
+	list_t		z_all_znodes;	/* all znodes in the fs */
+	uint64_t	z_nr_znodes;	/* number of znodes in the fs */
 	kmutex_t	z_znodes_lock;	/* lock for z_all_znodes */
 	struct inode	*z_ctldir;	/* .zfs directory inode */
 	boolean_t	z_show_ctldir;	/* expose .zfs in the root dir */
@@ -76,6 +77,7 @@ typedef struct zfs_sb {
 	boolean_t	z_use_fuids;	/* version allows fuids */
 	boolean_t	z_replay;	/* set during ZIL replay */
 	boolean_t	z_use_sa;	/* version allow system attributes */
+	boolean_t	z_xattr_sa;	/* allow xattrs to be stores as SA */
 	uint64_t	z_version;	/* ZPL version */
 	uint64_t	z_shares_dir;	/* hidden shares dir */
 	kmutex_t	z_lock;
@@ -111,10 +113,10 @@ typedef struct zfs_sb {
 
 /*
  * Allow a maximum number of links.  While ZFS does not internally limit
- * this most Linux filesystems do.  It's probably a good idea to limit
- * this to a large value until it is validated that this is safe.
+ * this the inode->i_nlink member is defined as an unsigned int.  To be
+ * safe we use 2^31-1 as the limit.
  */
-#define ZFS_LINK_MAX		65536
+#define ZFS_LINK_MAX		((1U << 31) - 1U)
 
 /*
  * Normal filesystems (those not under .zfs/snapshot) have a total
@@ -184,6 +186,8 @@ extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop,
 extern int zfs_sb_create(const char *name, zfs_sb_t **zsbp);
 extern int zfs_sb_setup(zfs_sb_t *zsb, boolean_t mounting);
 extern void zfs_sb_free(zfs_sb_t *zsb);
+extern int zfs_sb_prune(struct super_block *sb, unsigned long nr_to_scan,
+    int *objects);
 extern int zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting);
 extern int zfs_check_global_label(const char *dsname, const char *hexsl);
 extern boolean_t zfs_is_readonly(zfs_sb_t *zsb);