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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2015-04-16 09:34:17 +0300 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-06-10 19:25:32 +0300 |
| commit | 3368d001ba5df44930d986e82b1b497d4da285ba (patch) | |
| tree | 62797b833909d45d2e8b6244c4007d6661154f67 /fs/btrfs/qgroup.h | |
| parent | 823ae5b8e340003dacbe7cd08a355efe018c9f1b (diff) | |
| download | linux-3368d001ba5df44930d986e82b1b497d4da285ba.tar.xz | |
btrfs: qgroup: Record possible quota-related extent for qgroup.
Add hook in add_delayed_ref_head() to record quota-related extent record
into delayed_ref_root->dirty_extent_record rb-tree for later qgroup
accounting.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/qgroup.h')
| -rw-r--r-- | fs/btrfs/qgroup.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index c5242aa9a4b2..e58155d0390c 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -19,6 +19,9 @@ #ifndef __BTRFS_QGROUP__ #define __BTRFS_QGROUP__ +#include "ulist.h" +#include "delayed-ref.h" + /* * A description of the operations, all of these operations only happen when we * are adding the 1st reference for that subvolume in the case of adding space @@ -58,6 +61,17 @@ struct btrfs_qgroup_operation { struct list_head list; }; +/* + * Record a dirty extent, and info qgroup to update quota on it + * TODO: Use kmem cache to alloc it. + */ +struct btrfs_qgroup_extent_record { + struct rb_node node; + u64 bytenr; + u64 num_bytes; + struct ulist *old_roots; +}; + int btrfs_quota_enable(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); int btrfs_quota_disable(struct btrfs_trans_handle *trans, @@ -84,6 +98,9 @@ int btrfs_qgroup_record_ref(struct btrfs_trans_handle *trans, u64 bytenr, u64 num_bytes, enum btrfs_qgroup_operation_type type, int mod_seq); +struct btrfs_qgroup_extent_record +*btrfs_qgroup_insert_dirty_extent(struct btrfs_delayed_ref_root *delayed_refs, + struct btrfs_qgroup_extent_record *record); int btrfs_delayed_qgroup_accounting(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); void btrfs_remove_qgroup_operation(struct btrfs_trans_handle *trans, |