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btrfs: get fs_info from trans in btrfs_need_log_full_commit

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We can read fs_info from the transaction and can drop it from the
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-03-20 13:25:34 +01:00
parent 9b7a2440ae
commit 4884b8e8eb
2 changed files with 5 additions and 6 deletions
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6
fs/btrfs/tree-log.c
View File

@ -139,7 +139,7 @@ static int start_log_trans(struct btrfs_trans_handle *trans,
mutex_lock(&root->log_mutex); mutex_lock(&root->log_mutex);
if (root->log_root) { if (root->log_root) {
if (btrfs_need_log_full_commit(fs_info, trans)) { if (btrfs_need_log_full_commit(trans)) {
ret = -EAGAIN; ret = -EAGAIN;
goto out; goto out;
} }
@ -3077,7 +3077,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
} }
/* bail out if we need to do a full commit */ /* bail out if we need to do a full commit */
if (btrfs_need_log_full_commit(fs_info, trans)) { if (btrfs_need_log_full_commit(trans)) {
ret = -EAGAIN; ret = -EAGAIN;
mutex_unlock(&root->log_mutex); mutex_unlock(&root->log_mutex);
goto out; goto out;
@ -3184,7 +3184,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
* now that we've moved on to the tree of log tree roots, * now that we've moved on to the tree of log tree roots,
* check the full commit flag again * check the full commit flag again
*/ */
if (btrfs_need_log_full_commit(fs_info, trans)) { if (btrfs_need_log_full_commit(trans)) {
blk_finish_plug(&plug); blk_finish_plug(&plug);
btrfs_wait_tree_log_extents(log, mark); btrfs_wait_tree_log_extents(log, mark);
mutex_unlock(&log_root_tree->log_mutex); mutex_unlock(&log_root_tree->log_mutex);

5
fs/btrfs/tree-log.h
View File

@ -36,10 +36,9 @@ static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info,
WRITE_ONCE(fs_info->last_trans_log_full_commit, trans->transid); WRITE_ONCE(fs_info->last_trans_log_full_commit, trans->transid);
} }
static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info, static inline int btrfs_need_log_full_commit(struct btrfs_trans_handle *trans)
struct btrfs_trans_handle *trans)
{ {
return READ_ONCE(fs_info->last_trans_log_full_commit) == return READ_ONCE(trans->fs_info->last_trans_log_full_commit) ==
trans->transid; trans->transid;
} }