Prefix all refcount functions with zfs_

Recent changes in the Linux kernel made it necessary to prefix
the refcount_add() function with zfs_ due to a name collision.

To bring the other functions in line with that and to avoid future
collisions, prefix the other refcount functions as well.

Reviewed by: Matthew Ahrens <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Tim Schumacher <[email protected]>
Closes #7963 

1 files changed, 18 insertions, 17 deletions

diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
index c19f48ac5..0a7b7b92e 100644
--- a/module/zfs/spa_misc.c
+++ b/module/zfs/spa_misc.c
@@ -434,7 +434,7 @@ spa_config_lock_init(spa_t *spa)
 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
 		mutex_init(&scl->scl_lock, NULL, MUTEX_DEFAULT, NULL);
 		cv_init(&scl->scl_cv, NULL, CV_DEFAULT, NULL);
-		refcount_create_untracked(&scl->scl_count);
+		zfs_refcount_create_untracked(&scl->scl_count);
 		scl->scl_writer = NULL;
 		scl->scl_write_wanted = 0;
 	}
@@ -447,7 +447,7 @@ spa_config_lock_destroy(spa_t *spa)
 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
 		mutex_destroy(&scl->scl_lock);
 		cv_destroy(&scl->scl_cv);
-		refcount_destroy(&scl->scl_count);
+		zfs_refcount_destroy(&scl->scl_count);
 		ASSERT(scl->scl_writer == NULL);
 		ASSERT(scl->scl_write_wanted == 0);
 	}
@@ -470,7 +470,7 @@ spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw)
 			}
 		} else {
 			ASSERT(scl->scl_writer != curthread);
-			if (!refcount_is_zero(&scl->scl_count)) {
+			if (!zfs_refcount_is_zero(&scl->scl_count)) {
 				mutex_exit(&scl->scl_lock);
 				spa_config_exit(spa, locks & ((1 << i) - 1),
 				    tag);
@@ -504,7 +504,7 @@ spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
 			}
 		} else {
 			ASSERT(scl->scl_writer != curthread);
-			while (!refcount_is_zero(&scl->scl_count)) {
+			while (!zfs_refcount_is_zero(&scl->scl_count)) {
 				scl->scl_write_wanted++;
 				cv_wait(&scl->scl_cv, &scl->scl_lock);
 				scl->scl_write_wanted--;
@@ -525,8 +525,8 @@ spa_config_exit(spa_t *spa, int locks, void *tag)
 		if (!(locks & (1 << i)))
 			continue;
 		mutex_enter(&scl->scl_lock);
-		ASSERT(!refcount_is_zero(&scl->scl_count));
-		if (refcount_remove(&scl->scl_count, tag) == 0) {
+		ASSERT(!zfs_refcount_is_zero(&scl->scl_count));
+		if (zfs_refcount_remove(&scl->scl_count, tag) == 0) {
 			ASSERT(scl->scl_writer == NULL ||
 			    scl->scl_writer == curthread);
 			scl->scl_writer = NULL;	/* OK in either case */
@@ -545,7 +545,8 @@ spa_config_held(spa_t *spa, int locks, krw_t rw)
 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
 		if (!(locks & (1 << i)))
 			continue;
-		if ((rw == RW_READER && !refcount_is_zero(&scl->scl_count)) ||
+		if ((rw == RW_READER &&
+		    !zfs_refcount_is_zero(&scl->scl_count)) ||
 		    (rw == RW_WRITER && scl->scl_writer == curthread))
 			locks_held |= 1 << i;
 	}
@@ -663,7 +664,7 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
 	spa->spa_deadman_ziotime = MSEC2NSEC(zfs_deadman_ziotime_ms);
 	spa_set_deadman_failmode(spa, zfs_deadman_failmode);
 
-	refcount_create(&spa->spa_refcount);
+	zfs_refcount_create(&spa->spa_refcount);
 	spa_config_lock_init(spa);
 	spa_stats_init(spa);
 
@@ -746,7 +747,7 @@ spa_remove(spa_t *spa)
 
 	ASSERT(MUTEX_HELD(&spa_namespace_lock));
 	ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED);
-	ASSERT3U(refcount_count(&spa->spa_refcount), ==, 0);
+	ASSERT3U(zfs_refcount_count(&spa->spa_refcount), ==, 0);
 
 	nvlist_free(spa->spa_config_splitting);
 
@@ -779,7 +780,7 @@ spa_remove(spa_t *spa)
 	nvlist_free(spa->spa_feat_stats);
 	spa_config_set(spa, NULL);
 
-	refcount_destroy(&spa->spa_refcount);
+	zfs_refcount_destroy(&spa->spa_refcount);
 
 	spa_stats_destroy(spa);
 	spa_config_lock_destroy(spa);
@@ -839,7 +840,7 @@ spa_next(spa_t *prev)
 void
 spa_open_ref(spa_t *spa, void *tag)
 {
-	ASSERT(refcount_count(&spa->spa_refcount) >= spa->spa_minref ||
+	ASSERT(zfs_refcount_count(&spa->spa_refcount) >= spa->spa_minref ||
 	    MUTEX_HELD(&spa_namespace_lock));
 	(void) zfs_refcount_add(&spa->spa_refcount, tag);
 }
@@ -851,9 +852,9 @@ spa_open_ref(spa_t *spa, void *tag)
 void
 spa_close(spa_t *spa, void *tag)
 {
-	ASSERT(refcount_count(&spa->spa_refcount) > spa->spa_minref ||
+	ASSERT(zfs_refcount_count(&spa->spa_refcount) > spa->spa_minref ||
 	    MUTEX_HELD(&spa_namespace_lock));
-	(void) refcount_remove(&spa->spa_refcount, tag);
+	(void) zfs_refcount_remove(&spa->spa_refcount, tag);
 }
 
 /*
@@ -867,7 +868,7 @@ spa_close(spa_t *spa, void *tag)
 void
 spa_async_close(spa_t *spa, void *tag)
 {
-	(void) refcount_remove(&spa->spa_refcount, tag);
+	(void) zfs_refcount_remove(&spa->spa_refcount, tag);
 }
 
 /*
@@ -880,7 +881,7 @@ spa_refcount_zero(spa_t *spa)
 {
 	ASSERT(MUTEX_HELD(&spa_namespace_lock));
 
-	return (refcount_count(&spa->spa_refcount) == spa->spa_minref);
+	return (zfs_refcount_count(&spa->spa_refcount) == spa->spa_minref);
 }
 
 /*
@@ -2099,7 +2100,7 @@ spa_init(int mode)
 #endif
 
 	fm_init();
-	refcount_init();
+	zfs_refcount_init();
 	unique_init();
 	range_tree_init();
 	metaslab_alloc_trace_init();
@@ -2138,7 +2139,7 @@ spa_fini(void)
 	metaslab_alloc_trace_fini();
 	range_tree_fini();
 	unique_fini();
-	refcount_fini();
+	zfs_refcount_fini();
 	fm_fini();
 	scan_fini();
 	qat_fini();