This function is now unused so remove it. One less function that uses the global superblock list. Link: https://lore.kernel.org/r/20230927-vfs-super-freeze-v1-4-ecc36d9ab4d9@xxxxxxxxxx Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Jan Kara <jack@xxxxxxx> Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> --- fs/super.c | 28 ---------------------------- include/linux/fs.h | 1 - 2 files changed, 29 deletions(-) diff --git a/fs/super.c b/fs/super.c index ee0795ce09c7..c9658ddb53f7 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1024,34 +1024,6 @@ void iterate_supers_type(struct file_system_type *type, EXPORT_SYMBOL(iterate_supers_type); -/** - * get_active_super - get an active reference to the superblock of a device - * @bdev: device to get the superblock for - * - * Scans the superblock list and finds the superblock of the file system - * mounted on the device given. Returns the superblock with an active - * reference or %NULL if none was found. - */ -struct super_block *get_active_super(struct block_device *bdev) -{ - struct super_block *sb; - - if (!bdev) - return NULL; - - spin_lock(&sb_lock); - list_for_each_entry(sb, &super_blocks, s_list) { - if (sb->s_bdev == bdev) { - if (!grab_super(sb)) - return NULL; - super_unlock_excl(sb); - return sb; - } - } - spin_unlock(&sb_lock); - return NULL; -} - struct super_block *user_get_super(dev_t dev, bool excl) { struct super_block *sb; diff --git a/include/linux/fs.h b/include/linux/fs.h index 03afc8b6f2af..5174e821d451 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3053,7 +3053,6 @@ extern int vfs_readlink(struct dentry *, char __user *, int); extern struct file_system_type *get_filesystem(struct file_system_type *fs); extern void put_filesystem(struct file_system_type *fs); extern struct file_system_type *get_fs_type(const char *name); -extern struct super_block *get_active_super(struct block_device *bdev); extern void drop_super(struct super_block *sb); extern void drop_super_exclusive(struct super_block *sb); extern void iterate_supers(void (*)(struct super_block *, void *), void *); -- 2.34.1
