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| author |   Josef Bacik <josef@toxicpanda.com> | 2019-06-20 15:38:01 -0400 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2019-09-09 14:59:09 +0200 |
| commit | ade4b5169f3f161e50412ad6279dc76219e05461 (patch) | |
| tree | f8f9739c31289741ed1fd5a41f05f671cd2fc79b /fs/btrfs/extent-tree.c | |
| parent | btrfs: migrate the dirty bg writeout code (diff) | |
| download | linux-dev-ade4b5169f3f161e50412ad6279dc76219e05461.tar.xz linux-dev-ade4b5169f3f161e50412ad6279dc76219e05461.zip | |
btrfs: export block group accounting helpers
Want to move these functions into block-group.c, so export them.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 0b78e5dcfe48..e49998dc9848 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2898,8 +2898,8 @@ out: return ret; } -static int update_block_group(struct btrfs_trans_handle *trans, - u64 bytenr, u64 num_bytes, int alloc) +int btrfs_update_block_group(struct btrfs_trans_handle *trans, + u64 bytenr, u64 num_bytes, int alloc) { struct btrfs_fs_info *info = trans->fs_info; struct btrfs_block_group_cache *cache = NULL; @@ -3199,8 +3199,8 @@ btrfs_inc_block_group_reservations(struct btrfs_block_group_cache *bg) * reservation and the block group has become read only we cannot make the * reservation and return -EAGAIN, otherwise this function always succeeds. */ -static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, - u64 ram_bytes, u64 num_bytes, int delalloc) +int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, + u64 ram_bytes, u64 num_bytes, int delalloc) { struct btrfs_space_info *space_info = cache->space_info; int ret = 0; @@ -3233,9 +3233,8 @@ static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, * A and before transaction A commits you free that leaf, you call this with * reserve set to 0 in order to clear the reservation. */ - -static void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, - u64 num_bytes, int delalloc) +void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, + u64 num_bytes, int delalloc) { struct btrfs_space_info *space_info = cache->space_info; @@ -3705,7 +3704,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, goto out; } - ret = update_block_group(trans, bytenr, num_bytes, 0); + ret = btrfs_update_block_group(trans, bytenr, num_bytes, 0); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -4770,7 +4769,7 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = update_block_group(trans, ins->objectid, ins->offset, 1); + ret = btrfs_update_block_group(trans, ins->objectid, ins->offset, 1); if (ret) { /* -ENOENT, logic error */ btrfs_err(fs_info, "update block group failed for %llu %llu", ins->objectid, ins->offset); @@ -4860,8 +4859,8 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = update_block_group(trans, extent_key.objectid, - fs_info->nodesize, 1); + ret = btrfs_update_block_group(trans, extent_key.objectid, + fs_info->nodesize, 1); if (ret) { /* -ENOENT, logic error */ btrfs_err(fs_info, "update block group failed for %llu %llu", extent_key.objectid, extent_key.offset); |