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fs: Remove old freezing mechanism

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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>
This commit is contained in:
Jan Kara
2012-06-12 16:20:47 +02:00
committed by Al Viro
parent 1e8b212fe5
commit d9c95bdd53
2 changed files with 0 additions and 6 deletions
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1
fs/super.c
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@@ -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.dqio_mutex);
mutex_init(&s->s_dquot.dqonoff_mutex); mutex_init(&s->s_dquot.dqonoff_mutex);
init_rwsem(&s->s_dquot.dqptr_sem); init_rwsem(&s->s_dquot.dqptr_sem);
init_waitqueue_head(&s->s_wait_unfrozen);
s->s_maxbytes = MAX_NON_LFS; s->s_maxbytes = MAX_NON_LFS;
s->s_op = &default_op; s->s_op = &default_op;
s->s_time_gran = 1000000000; s->s_time_gran = 1000000000;

5
include/linux/fs.h
View File

@@ -1459,7 +1459,6 @@ extern spinlock_t sb_lock;
enum { enum {
SB_UNFROZEN = 0, /* FS is unfrozen */ SB_UNFROZEN = 0, /* FS is unfrozen */
SB_FREEZE_WRITE = 1, /* Writes, dir ops, ioctls frozen */ SB_FREEZE_WRITE = 1, /* Writes, dir ops, ioctls frozen */
SB_FREEZE_TRANS = 2,
SB_FREEZE_PAGEFAULT = 2, /* Page faults stopped as well */ SB_FREEZE_PAGEFAULT = 2, /* Page faults stopped as well */
SB_FREEZE_FS = 3, /* For internal FS use (e.g. to stop SB_FREEZE_FS = 3, /* For internal FS use (e.g. to stop
* internal threads if needed) */ * internal threads if needed) */
@@ -1528,8 +1527,6 @@ struct super_block {
struct hlist_node s_instances; struct hlist_node s_instances;
struct quota_info s_dquot; /* Diskquota specific options */ struct quota_info s_dquot; /* Diskquota specific options */
int s_frozen;
wait_queue_head_t s_wait_unfrozen;
struct sb_writers s_writers; struct sb_writers s_writers;
char s_id[32]; /* Informational name */ char s_id[32]; /* Informational name */
@@ -1585,8 +1582,6 @@ extern struct timespec current_fs_time(struct super_block *sb);
/* /*
* Snapshotting support. * 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); void __sb_end_write(struct super_block *sb, int level);
int __sb_start_write(struct super_block *sb, int level, bool wait); int __sb_start_write(struct super_block *sb, int level, bool wait);