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Commit d9c95bdd authored by Jan Kara's avatar Jan Kara Committed by Al Viro
Browse files

fs: Remove old freezing mechanism 

Now that all users are converted, we can remove functions, variables, and
constants defined by the old freezing mechanism.

BugLink: https://bugs.launchpad.net/bugs/897421


Tested-by: default avatarKamal Mostafa <kamal@canonical.com>
Tested-by: default avatarPeter M. Petrakis <peter.petrakis@canonical.com>
Tested-by: default avatarDann Frazier <dann.frazier@canonical.com>
Tested-by: default avatarMassimo Morana <massimo.morana@canonical.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 1e8b212f

fs/super.c

+0 −1
Original line number Diff line number Diff line
@@ -217,7 +217,6 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags) 
		mutex_init(&s->s_dquot.dqio_mutex);

		mutex_init(&s->s_dquot.dqonoff_mutex);

		init_rwsem(&s->s_dquot.dqptr_sem);

		init_waitqueue_head(&s->s_wait_unfrozen);

		s->s_maxbytes = MAX_NON_LFS;

		s->s_op = &default_op;

		s->s_time_gran = 1000000000;

include/linux/fs.h

+0 −5
Original line number Diff line number Diff line
@@ -1459,7 +1459,6 @@ extern spinlock_t sb_lock; 
enum {

	SB_UNFROZEN = 0,		/* FS is unfrozen */

	SB_FREEZE_WRITE	= 1,		/* Writes, dir ops, ioctls frozen */

	SB_FREEZE_TRANS = 2,

	SB_FREEZE_PAGEFAULT = 2,	/* Page faults stopped as well */

	SB_FREEZE_FS = 3,		/* For internal FS use (e.g. to stop

					 * internal threads if needed) */
@@ -1528,8 +1527,6 @@ struct super_block { 
	struct hlist_node	s_instances;

	struct quota_info	s_dquot;	/* Diskquota specific options */



	int			s_frozen;

	wait_queue_head_t	s_wait_unfrozen;

	struct sb_writers	s_writers;



	char s_id[32];				/* Informational name */
@@ -1585,8 +1582,6 @@ extern struct timespec current_fs_time(struct super_block *sb); 
/*

 * Snapshotting support.

 */

/* Will go away when all users are converted */

#define vfs_check_frozen(sb, level) do { } while (0)



void __sb_end_write(struct super_block *sb, int level);

int __sb_start_write(struct super_block *sb, int level, bool wait);