1 files changed, 0 insertions, 101 deletions
diff --git a/fs/reiserfs/lock.c b/fs/reiserfs/lock.c
deleted file mode 100644
index 46bd7bd63a71..000000000000
--- a/fs/reiserfs/lock.c
+++ /dev/null
@@ -1,101 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include "reiserfs.h"
-#include <linux/mutex.h>
-
-/*
- * The previous reiserfs locking scheme was heavily based on
- * the tricky properties of the Bkl:
- *
- * - it was acquired recursively by a same task
- * - the performances relied on the release-while-schedule() property
- *
- * Now that we replace it by a mutex, we still want to keep the same
- * recursive property to avoid big changes in the code structure.
- * We use our own lock_owner here because the owner field on a mutex
- * is only available in SMP or mutex debugging, also we only need this field
- * for this mutex, no need for a system wide mutex facility.
- *
- * Also this lock is often released before a call that could block because
- * reiserfs performances were partially based on the release while schedule()
- * property of the Bkl.
- */
-void reiserfs_write_lock(struct super_block *s)
-{
-	struct reiserfs_sb_info *sb_i = REISERFS_SB(s);
-
-	if (sb_i->lock_owner != current) {
-		mutex_lock(&sb_i->lock);
-		sb_i->lock_owner = current;
-	}
-
-	/* No need to protect it, only the current task touches it */
-	sb_i->lock_depth++;
-}
-
-void reiserfs_write_unlock(struct super_block *s)
-{
-	struct reiserfs_sb_info *sb_i = REISERFS_SB(s);
-
-	/*
-	 * Are we unlocking without even holding the lock?
-	 * Such a situation must raise a BUG() if we don't want
-	 * to corrupt the data.
-	 */
-	BUG_ON(sb_i->lock_owner != current);
-
-	if (--sb_i->lock_depth == -1) {
-		sb_i->lock_owner = NULL;
-		mutex_unlock(&sb_i->lock);
-	}
-}
-
-int __must_check reiserfs_write_unlock_nested(struct super_block *s)
-{
-	struct reiserfs_sb_info *sb_i = REISERFS_SB(s);
-	int depth;
-
-	/* this can happen when the lock isn't always held */
-	if (sb_i->lock_owner != current)
-		return -1;
-
-	depth = sb_i->lock_depth;
-
-	sb_i->lock_depth = -1;
-	sb_i->lock_owner = NULL;
-	mutex_unlock(&sb_i->lock);
-
-	return depth;
-}
-
-void reiserfs_write_lock_nested(struct super_block *s, int depth)
-{
-	struct reiserfs_sb_info *sb_i = REISERFS_SB(s);
-
-	/* this can happen when the lock isn't always held */
-	if (depth == -1)
-		return;
-
-	mutex_lock(&sb_i->lock);
-	sb_i->lock_owner = current;
-	sb_i->lock_depth = depth;
-}
-
-/*
- * Utility function to force a BUG if it is called without the superblock
- * write lock held.  caller is the string printed just before calling BUG()
- */
-void reiserfs_check_lock_depth(struct super_block *sb, char *caller)
-{
-	struct reiserfs_sb_info *sb_i = REISERFS_SB(sb);
-
-	WARN_ON(sb_i->lock_depth < 0);
-}
-
-#ifdef CONFIG_REISERFS_CHECK
-void reiserfs_lock_check_recursive(struct super_block *sb)
-{
-	struct reiserfs_sb_info *sb_i = REISERFS_SB(sb);
-
-	WARN_ONCE((sb_i->lock_depth > 0), "Unwanted recursive reiserfs lock!\n");
-}
-#endif