[PATCH] vfs: Remove invalidate_inodes()

[Jan Kara <jack@xxxxxxx>]

The function is exactly the same as evict_inodes() and has only one
user.

Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 fs/inode.c             | 40 ----------------------------------------
 fs/internal.h          |  1 -
 fs/smb/client/file.c   |  2 +-
 fs/super.c             |  2 +-
 security/landlock/fs.c |  2 +-
 5 files changed, 3 insertions(+), 44 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 5587aabdaa5e..2e32df15748a 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -900,46 +900,6 @@ void evict_inodes(struct super_block *sb)
 }
 EXPORT_SYMBOL_GPL(evict_inodes);
 
-/**
- * invalidate_inodes	- attempt to free all inodes on a superblock
- * @sb:		superblock to operate on
- *
- * Attempts to free all inodes (including dirty inodes) for a given superblock.
- */
-void invalidate_inodes(struct super_block *sb)
-{
-	struct inode *inode, *next;
-	LIST_HEAD(dispose);
-
-again:
-	spin_lock(&sb->s_inode_list_lock);
-	list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) {
-		spin_lock(&inode->i_lock);
-		if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) {
-			spin_unlock(&inode->i_lock);
-			continue;
-		}
-		if (atomic_read(&inode->i_count)) {
-			spin_unlock(&inode->i_lock);
-			continue;
-		}
-
-		inode->i_state |= I_FREEING;
-		inode_lru_list_del(inode);
-		spin_unlock(&inode->i_lock);
-		list_add(&inode->i_lru, &dispose);
-		if (need_resched()) {
-			spin_unlock(&sb->s_inode_list_lock);
-			cond_resched();
-			dispose_list(&dispose);
-			goto again;
-		}
-	}
-	spin_unlock(&sb->s_inode_list_lock);
-
-	dispose_list(&dispose);
-}
-
 /*
  * Isolate the inode from the LRU in preparation for freeing it.
  *
diff --git a/fs/internal.h b/fs/internal.h
index e7f02ae1e098..7cb515cede3f 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -207,7 +207,6 @@ bool in_group_or_capable(struct mnt_idmap *idmap,
  * fs-writeback.c
  */
 extern long get_nr_dirty_inodes(void);
-void invalidate_inodes(struct super_block *sb);
 
 /*
  * dcache.c
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 8582cf61242c..9e4f7378f30f 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -388,7 +388,7 @@ cifs_mark_open_files_invalid(struct cifs_tcon *tcon)
 	spin_unlock(&tcon->tc_lock);
 
 	/*
-	 * BB Add call to invalidate_inodes(sb) for all superblocks mounted
+	 * BB Add call to evict_inodes(sb) for all superblocks mounted
 	 * to this tcon.
 	 */
 }
diff --git a/fs/super.c b/fs/super.c
index 5a7db4a556e3..5b38d2d92252 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1417,7 +1417,7 @@ static void fs_bdev_mark_dead(struct block_device *bdev, bool surprise)
 	if (!surprise)
 		sync_filesystem(sb);
 	shrink_dcache_sb(sb);
-	invalidate_inodes(sb);
+	evict_inodes(sb);
 	if (sb->s_op->shutdown)
 		sb->s_op->shutdown(sb);
 
diff --git a/security/landlock/fs.c b/security/landlock/fs.c
index 71b9dc331aae..582769ae830e 100644
--- a/security/landlock/fs.c
+++ b/security/landlock/fs.c
@@ -1216,7 +1216,7 @@ static void hook_inode_free_security_rcu(void *inode_security)
 /*
  * Release the inodes used in a security policy.
  *
- * Cf. fsnotify_unmount_inodes() and invalidate_inodes()
+ * Cf. fsnotify_unmount_inodes() and evict_inodes()
  */
 static void hook_sb_delete(struct super_block *const sb)
 {
-- 
2.43.0