Btrfs: make update_reserved_bytes() public
Make the function public as we should update the reserved extents calculations after taking out an extent for trimming. Signed-off-by: Li Dongyang <lidongyang@novell.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -2157,6 +2157,8 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans,
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u64 root_objectid, u64 owner, u64 offset);
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int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len);
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int btrfs_update_reserved_bytes(struct btrfs_block_group_cache *cache,
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u64 num_bytes, int reserve, int sinfo);
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int btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
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struct btrfs_root *root);
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int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
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@ -36,8 +36,6 @@
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static int update_block_group(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 bytenr, u64 num_bytes, int alloc);
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static int update_reserved_bytes(struct btrfs_block_group_cache *cache,
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u64 num_bytes, int reserve, int sinfo);
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static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 bytenr, u64 num_bytes, u64 parent,
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@ -4233,8 +4231,8 @@ int btrfs_pin_extent(struct btrfs_root *root,
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* update size of reserved extents. this function may return -EAGAIN
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* if 'reserve' is true or 'sinfo' is false.
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*/
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static int update_reserved_bytes(struct btrfs_block_group_cache *cache,
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u64 num_bytes, int reserve, int sinfo)
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int btrfs_update_reserved_bytes(struct btrfs_block_group_cache *cache,
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u64 num_bytes, int reserve, int sinfo)
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{
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int ret = 0;
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if (sinfo) {
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@ -4714,10 +4712,10 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
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WARN_ON(test_bit(EXTENT_BUFFER_DIRTY, &buf->bflags));
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btrfs_add_free_space(cache, buf->start, buf->len);
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ret = update_reserved_bytes(cache, buf->len, 0, 0);
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ret = btrfs_update_reserved_bytes(cache, buf->len, 0, 0);
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if (ret == -EAGAIN) {
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/* block group became read-only */
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update_reserved_bytes(cache, buf->len, 0, 1);
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btrfs_update_reserved_bytes(cache, buf->len, 0, 1);
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goto out;
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}
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@ -5206,7 +5204,7 @@ checks:
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search_start - offset);
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BUG_ON(offset > search_start);
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ret = update_reserved_bytes(block_group, num_bytes, 1,
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ret = btrfs_update_reserved_bytes(block_group, num_bytes, 1,
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(data & BTRFS_BLOCK_GROUP_DATA));
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if (ret == -EAGAIN) {
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btrfs_add_free_space(block_group, offset, num_bytes);
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@ -5432,7 +5430,7 @@ int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len)
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ret = btrfs_discard_extent(root, start, len);
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btrfs_add_free_space(cache, start, len);
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update_reserved_bytes(cache, len, 0, 1);
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btrfs_update_reserved_bytes(cache, len, 0, 1);
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btrfs_put_block_group(cache);
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trace_btrfs_reserved_extent_free(root, start, len);
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@ -5634,7 +5632,7 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
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put_caching_control(caching_ctl);
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}
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ret = update_reserved_bytes(block_group, ins->offset, 1, 1);
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ret = btrfs_update_reserved_bytes(block_group, ins->offset, 1, 1);
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BUG_ON(ret);
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btrfs_put_block_group(block_group);
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ret = alloc_reserved_file_extent(trans, root, 0, root_objectid,
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