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| author |   Naohiro Aota <naohiro.aota@wdc.com> | 2022-03-22 18:11:33 +0900 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2022-04-06 00:50:39 +0200 |
| commit | 820c363bd526ec8e133e4b84e6ad1fda12023b4b (patch) | |
| tree | b9c498a0e9b4e37fa9dffcd50d9cdc9e18826b89 /fs/btrfs/block-group.c | |
| parent | btrfs: mark resumed async balance as writing (diff) | |
| download | linux-dev-820c363bd526ec8e133e4b84e6ad1fda12023b4b.tar.xz linux-dev-820c363bd526ec8e133e4b84e6ad1fda12023b4b.zip | |
btrfs: return allocated block group from do_chunk_alloc()
Return the allocated block group from do_chunk_alloc(). This is a
preparation patch for the next patch.
CC: stable@vger.kernel.org # 5.16+
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Tested-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/block-group.c')
| -rw-r--r-- | fs/btrfs/block-group.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 9ad265066225..c2b898fe7b24 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -3451,7 +3451,7 @@ int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, u64 type) return btrfs_chunk_alloc(trans, alloc_flags, CHUNK_ALLOC_FORCE); } -static int do_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags) +static struct btrfs_block_group *do_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags) { struct btrfs_block_group *bg; int ret; @@ -3538,7 +3538,11 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags) out: btrfs_trans_release_chunk_metadata(trans); - return ret; + if (ret) + return ERR_PTR(ret); + + btrfs_get_block_group(bg); + return bg; } /* @@ -3653,6 +3657,7 @@ int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags, { struct btrfs_fs_info *fs_info = trans->fs_info; struct btrfs_space_info *space_info; + struct btrfs_block_group *ret_bg; bool wait_for_alloc = false; bool should_alloc = false; int ret = 0; @@ -3746,9 +3751,14 @@ int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags, force_metadata_allocation(fs_info); } - ret = do_chunk_alloc(trans, flags); + ret_bg = do_chunk_alloc(trans, flags); trans->allocating_chunk = false; + if (IS_ERR(ret_bg)) + ret = PTR_ERR(ret_bg); + else + btrfs_put_block_group(ret_bg); + spin_lock(&space_info->lock); if (ret < 0) { if (ret == -ENOSPC) |