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btrfs: qgroup: Drop fs_info parameter from btrfs_qgroup_trace_extent 

It can be fetched from the transaction handle. In addition, remove the
WARN_ON(trans == NULL) because it's not possible to hit this condition.

Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Lu Fengqi 2018-07-18 16:28:03 +08:00 committed by David Sterba
parent f0042d5e92
commit a95f3aafd6
3 changed files with 9 additions and 13 deletions
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15
fs/btrfs/qgroup.c
View File

@ -1580,10 +1580,10 @@ int btrfs_qgroup_trace_extent_post(struct btrfs_fs_info *fs_info,
return 0;
}
int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes,
gfp_t gfp_flag)
int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, u64 bytenr,
u64 num_bytes, gfp_t gfp_flag)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_qgroup_extent_record *record;
struct btrfs_delayed_ref_root *delayed_refs;
int ret;
@ -1591,8 +1591,6 @@ int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans,
if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)
|| bytenr == 0 || num_bytes == 0)
return 0;
if (WARN_ON(trans == NULL))
return -EINVAL;
record = kmalloc(sizeof(*record), gfp_flag);
if (!record)
return -ENOMEM;
@ -1645,8 +1643,8 @@ int btrfs_qgroup_trace_leaf_items(struct btrfs_trans_handle *trans,
num_bytes = btrfs_file_extent_disk_num_bytes(eb, fi);
ret = btrfs_qgroup_trace_extent(trans, fs_info, bytenr,
num_bytes, GFP_NOFS);
ret = btrfs_qgroup_trace_extent(trans, bytenr, num_bytes,
GFP_NOFS);
if (ret)
return ret;
}
@ -1797,8 +1795,7 @@ walk_down:
btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
path->locks[level] = BTRFS_READ_LOCK_BLOCKING;
ret = btrfs_qgroup_trace_extent(trans, fs_info,
child_bytenr,
ret = btrfs_qgroup_trace_extent(trans, child_bytenr,
fs_info->nodesize,
GFP_NOFS);
if (ret)

5
fs/btrfs/qgroup.h
View File

@ -212,9 +212,8 @@ int btrfs_qgroup_trace_extent_post(struct btrfs_fs_info *fs_info,
* Return <0 for error, like memory allocation failure or invalid parameter
* (NULL trans)
*/
int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes,
gfp_t gfp_flag);
int btrfs_qgroup_trace_extent(struct btrfs_trans_handle *trans, u64 bytenr,
u64 num_bytes, gfp_t gfp_flag);
/*
* Inform qgroup to trace all leaf items of data

2
fs/btrfs/tree-log.c
View File

@ -685,7 +685,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
* as the owner of the file extent changed from log tree
* (doesn't affect qgroup) to fs/file tree(affects qgroup)
*/
ret = btrfs_qgroup_trace_extent(trans, fs_info,
ret = btrfs_qgroup_trace_extent(trans,
btrfs_file_extent_disk_bytenr(eb, item),
btrfs_file_extent_disk_num_bytes(eb, item),
GFP_NOFS);