Linux 3.1 compat, super_block->s_shrink

[zfs.git] / include / sys / zfs_vfsops.h

diff --git a/include/sys/zfs_vfsops.h b/include/sys/zfs_vfsops.h
index 6d4d713..b7badee 100644 (file)
--- 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 */
@@ -185,6 +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);