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: Kamal Mostafa <kamal@canonical.com>
Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com>
Tested-by: Dann Frazier <dann.frazier@canonical.com>
Tested-by: Massimo Morana <massimo.morana@canonical.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 5 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index aefed9426b0..0f4b79be871 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -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);