make simple_positive() public

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/powerpc/platforms/cell/spufs/inode.c

@@ -166,7 +166,7 @@ static void spufs_prune_dir(struct dentry *dir)
 	mutex_lock(&d_inode(dir)->i_mutex);
 	list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
 		spin_lock(&dentry->d_lock);
-		if (!(d_unhashed(dentry)) && d_really_is_positive(dentry)) {
+		if (simple_positive(dentry)) {
 			dget_dlock(dentry);
 			__d_drop(dentry);
 			spin_unlock(&dentry->d_lock);

arch/s390/hypfs/inode.c

@@ -62,18 +62,13 @@ static void hypfs_add_dentry(struct dentry *dentry)
 	hypfs_last_dentry = dentry;
 }
 
-static inline int hypfs_positive(struct dentry *dentry)
-{
-	return d_really_is_positive(dentry) && !d_unhashed(dentry);
-}
-
 static void hypfs_remove(struct dentry *dentry)
 {
 	struct dentry *parent;
 
 	parent = dentry->d_parent;
 	mutex_lock(&d_inode(parent)->i_mutex);
-	if (hypfs_positive(dentry)) {
+	if (simple_positive(dentry)) {
 		if (d_is_dir(dentry))
 			simple_rmdir(d_inode(parent), dentry);
 		else

drivers/block/drbd/drbd_debugfs.c

@@ -419,14 +419,6 @@ static int in_flight_summary_show(struct seq_file *m, void *pos)
 	return 0;
 }
 
-/* simple_positive(file->f_path.dentry) respectively debugfs_positive(),
- * but neither is "reachable" from here.
- * So we have our own inline version of it above.  :-( */
-static inline int debugfs_positive(struct dentry *dentry)
-{
-        return d_really_is_positive(dentry) && !d_unhashed(dentry);
-}
-
 /* make sure at *open* time that the respective object won't go away. */
 static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, void *),
 		                void *data, struct kref *kref,
@@ -444,7 +436,7 @@ static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, vo
 	/* serialize with d_delete() */
 	mutex_lock(&d_inode(parent)->i_mutex);
 	/* Make sure the object is still alive */
-	if (debugfs_positive(file->f_path.dentry)
+	if (simple_positive(file->f_path.dentry)
 	&& kref_get_unless_zero(kref))
 		ret = 0;
 	mutex_unlock(&d_inode(parent)->i_mutex);

drivers/infiniband/hw/ipath/ipath_fs.c

@@ -277,7 +277,7 @@ static int remove_file(struct dentry *parent, char *name)
 	}
 
 	spin_lock(&tmp->d_lock);
-	if (!d_unhashed(tmp) && d_really_is_positive(tmp)) {
+	if (simple_positive(tmp)) {
 		dget_dlock(tmp);
 		__d_drop(tmp);
 		spin_unlock(&tmp->d_lock);

drivers/infiniband/hw/qib/qib_fs.c

@@ -455,7 +455,7 @@ static int remove_file(struct dentry *parent, char *name)
 	}
 
 	spin_lock(&tmp->d_lock);
-	if (!d_unhashed(tmp) && d_really_is_positive(tmp)) {
+	if (simple_positive(tmp)) {
 		__d_drop(tmp);
 		spin_unlock(&tmp->d_lock);
 		simple_unlink(d_inode(parent), tmp);

fs/autofs4/autofs_i.h

@@ -238,11 +238,6 @@ static inline u64 autofs4_get_ino(struct autofs_sb_info *sbi)
 	return d_inode(sbi->sb->s_root)->i_ino;
 }
 
-static inline int simple_positive(struct dentry *dentry)
-{
-	return d_really_is_positive(dentry) && !d_unhashed(dentry);
-}
-
 static inline void __autofs4_add_expiring(struct dentry *dentry)
 {
 	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);

fs/ceph/dir.c

@@ -161,7 +161,7 @@ static int __dcache_readdir(struct file *file,  struct dir_context *ctx,
 		}
 		spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
 		if (di->lease_shared_gen == shared_gen &&
-		    !d_unhashed(dentry) && d_really_is_positive(dentry) &&
+		    simple_positive(dentry) &&
 		    ceph_snap(d_inode(dentry)) != CEPH_SNAPDIR &&
 		    ceph_ino(d_inode(dentry)) != CEPH_INO_CEPH &&
 		    fpos_cmp(ctx->pos, di->offset) <= 0)

fs/configfs/inode.c

@@ -236,7 +236,7 @@ void configfs_drop_dentry(struct configfs_dirent * sd, struct dentry * parent)
 
 	if (dentry) {
 		spin_lock(&dentry->d_lock);
-		if (!d_unhashed(dentry) && d_really_is_positive(dentry)) {
+		if (simple_positive(dentry)) {
 			dget_dlock(dentry);
 			__d_drop(dentry);
 			spin_unlock(&dentry->d_lock);

fs/debugfs/inode.c

@@ -44,11 +44,6 @@ static struct inode *debugfs_get_inode(struct super_block *sb)
 	return inode;
 }
 
-static inline int debugfs_positive(struct dentry *dentry)
-{
-	return d_really_is_positive(dentry) && !d_unhashed(dentry);
-}
-
 struct debugfs_mount_opts {
 	kuid_t uid;
 	kgid_t gid;
@@ -522,7 +517,7 @@ static int __debugfs_remove(struct dentry *dentry, struct dentry *parent)
 {
 	int ret = 0;
 
-	if (debugfs_positive(dentry)) {
+	if (simple_positive(dentry)) {
 		dget(dentry);
 		if (d_is_dir(dentry))
 			ret = simple_rmdir(d_inode(parent), dentry);
@@ -602,7 +597,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
 	 */
 	spin_lock(&parent->d_lock);
 	list_for_each_entry(child, &parent->d_subdirs, d_child) {
-		if (!debugfs_positive(child))
+		if (!simple_positive(child))
 			continue;
 
 		/* perhaps simple_empty(child) makes more sense */
@@ -623,7 +618,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
 		 * from d_subdirs. When releasing the parent->d_lock we can
 		 * no longer trust that the next pointer is valid.
 		 * Restart the loop. We'll skip this one with the
-		 * debugfs_positive() check.
+		 * simple_positive() check.
 		 */
 		goto loop;
 	}

fs/libfs.c

@@ -20,11 +20,6 @@
 
 #include "internal.h"
 
-static inline int simple_positive(struct dentry *dentry)
-{
-	return d_really_is_positive(dentry) && !d_unhashed(dentry);
-}
-
 int simple_getattr(struct vfsmount *mnt, struct dentry *dentry,
 		   struct kstat *stat)
 {

fs/nfs/dir.c

@@ -1771,7 +1771,7 @@ EXPORT_SYMBOL_GPL(nfs_mkdir);
 
 static void nfs_dentry_handle_enoent(struct dentry *dentry)
 {
-	if (d_really_is_positive(dentry) && !d_unhashed(dentry))
+	if (simple_positive(dentry))
 		d_delete(dentry);
 }
 

fs/tracefs/inode.c

@@ -496,16 +496,11 @@ struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *pare
 	return dentry;
 }
 
-static inline int tracefs_positive(struct dentry *dentry)
-{
-	return dentry->d_inode && !d_unhashed(dentry);
-}
-
 static int __tracefs_remove(struct dentry *dentry, struct dentry *parent)
 {
 	int ret = 0;
 
-	if (tracefs_positive(dentry)) {
+	if (simple_positive(dentry)) {
 		if (dentry->d_inode) {
 			dget(dentry);
 			switch (dentry->d_inode->i_mode & S_IFMT) {
@@ -582,7 +577,7 @@ void tracefs_remove_recursive(struct dentry *dentry)
 	 */
 	spin_lock(&parent->d_lock);
 	list_for_each_entry(child, &parent->d_subdirs, d_child) {
-		if (!tracefs_positive(child))
+		if (!simple_positive(child))
 			continue;
 
 		/* perhaps simple_empty(child) makes more sense */
@@ -603,7 +598,7 @@ void tracefs_remove_recursive(struct dentry *dentry)
 		 * from d_subdirs. When releasing the parent->d_lock we can
 		 * no longer trust that the next pointer is valid.
 		 * Restart the loop. We'll skip this one with the
-		 * tracefs_positive() check.
+		 * simple_positive() check.
 		 */
 		goto loop;
 	}

include/linux/dcache.h

@@ -507,6 +507,11 @@ static inline bool d_really_is_positive(const struct dentry *dentry)
 	return dentry->d_inode != NULL;
 }
 
+static inline int simple_positive(struct dentry *dentry)
+{
+	return d_really_is_positive(dentry) && !d_unhashed(dentry);
+}
+
 extern void d_set_fallthru(struct dentry *dentry);
 
 static inline bool d_is_fallthru(const struct dentry *dentry)

security/inode.c

@@ -25,11 +25,6 @@
 static struct vfsmount *mount;
 static int mount_count;
 
-static inline int positive(struct dentry *dentry)
-{
-	return d_really_is_positive(dentry) && !d_unhashed(dentry);
-}
-
 static int fill_super(struct super_block *sb, void *data, int silent)
 {
 	static struct tree_descr files[] = {{""}};
@@ -201,14 +196,12 @@ void securityfs_remove(struct dentry *dentry)
 		return;
 
 	mutex_lock(&d_inode(parent)->i_mutex);
-	if (positive(dentry)) {
-		if (d_really_is_positive(dentry)) {
-			if (d_is_dir(dentry))
-				simple_rmdir(d_inode(parent), dentry);
-			else
-				simple_unlink(d_inode(parent), dentry);
-			dput(dentry);
-		}
+	if (simple_positive(dentry)) {
+		if (d_is_dir(dentry))
+			simple_rmdir(d_inode(parent), dentry);
+		else
+			simple_unlink(d_inode(parent), dentry);
+		dput(dentry);
 	}
 	mutex_unlock(&d_inode(parent)->i_mutex);
 	simple_release_fs(&mount, &mount_count);