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btrfs: Remove btrfs_fs_info::open_ioctl_trans 

Since userspace transaction have been removed we no longer have use
for this field so delete it.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-02-05 10:41:16 +02:00 коммит произвёл David Sterba
Родитель bcf3a3e7fb
Коммит 92e2f7e370
3 изменённых файлов: 4 добавлений и 9 удалений
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1
fs/btrfs/ctree.h
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@ -880,7 +880,6 @@ struct btrfs_fs_info {
struct rb_root tree_mod_log; struct rb_root tree_mod_log;
atomic_t async_delalloc_pages; atomic_t async_delalloc_pages;
atomic_t open_ioctl_trans;
/* /*
* this is used to protect the following list -- ordered_roots. * this is used to protect the following list -- ordered_roots.

3
fs/btrfs/extent-tree.c
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@ -4338,8 +4338,7 @@ again:
/* commit the current transaction and try again */ /* commit the current transaction and try again */
commit_trans: commit_trans:
if (need_commit && if (need_commit) {
!atomic_read(&fs_info->open_ioctl_trans)) {
need_commit--; need_commit--;
if (need_commit > 0) { if (need_commit > 0) {

9
fs/btrfs/transaction.c
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@ -443,8 +443,7 @@ static int may_wait_transaction(struct btrfs_fs_info *fs_info, int type)
if (test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags)) if (test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags))
return 0; return 0;
if (type == TRANS_START && if (type == TRANS_START)
!atomic_read(&fs_info->open_ioctl_trans))
return 1; return 1;
return 0; return 0;
@ -766,8 +765,7 @@ out:
void btrfs_throttle(struct btrfs_fs_info *fs_info) void btrfs_throttle(struct btrfs_fs_info *fs_info)
{ {
if (!atomic_read(&fs_info->open_ioctl_trans)) wait_current_trans(fs_info);
wait_current_trans(fs_info);
} }
static int should_end_transaction(struct btrfs_trans_handle *trans) static int should_end_transaction(struct btrfs_trans_handle *trans)
@ -870,8 +868,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
btrfs_trans_release_chunk_metadata(trans); btrfs_trans_release_chunk_metadata(trans);
if (lock && !atomic_read(&info->open_ioctl_trans) && if (lock && should_end_transaction(trans) &&
should_end_transaction(trans) &&
READ_ONCE(cur_trans->state) == TRANS_STATE_RUNNING) { READ_ONCE(cur_trans->state) == TRANS_STATE_RUNNING) {
spin_lock(&info->trans_lock); spin_lock(&info->trans_lock);
if (cur_trans->state == TRANS_STATE_RUNNING) if (cur_trans->state == TRANS_STATE_RUNNING)