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-rw-r--r--fs/btrfs/ordered-data.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index efc7c2930c17..d523dbd2314d 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -79,6 +79,8 @@ struct btrfs_ordered_sum {
#define BTRFS_ORDERED_UPDATED_ISIZE 7 /* indicates wether this ordered extent
* has done its due diligence in updating
* the isize. */
+#define BTRFS_ORDERED_LOGGED_CSUM 8 /* We've logged the csums on this ordered
+ ordered extent */
struct btrfs_ordered_extent {
/* logical offset in the file */
@@ -96,6 +98,9 @@ struct btrfs_ordered_extent {
/* number of bytes that still need writing */
u64 bytes_left;
+ /* number of bytes that still need csumming */
+ u64 csum_bytes_left;
+
/*
* the end of the ordered extent which is behind it but
* didn't update disk_i_size. Please see the comment of
@@ -118,6 +123,9 @@ struct btrfs_ordered_extent {
/* list of checksums for insertion when the extent io is done */
struct list_head list;
+ /* If we need to wait on this to be done */
+ struct list_head log_list;
+
/* used to wait for the BTRFS_ORDERED_COMPLETE bit */
wait_queue_head_t wait;
@@ -194,6 +202,9 @@ void btrfs_add_ordered_operation(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct inode *inode);
void btrfs_wait_ordered_extents(struct btrfs_root *root, int delay_iput);
+void btrfs_get_logged_extents(struct btrfs_root *log, struct inode *inode);
+void btrfs_wait_logged_extents(struct btrfs_root *log, u64 transid);
+void btrfs_free_logged_extents(struct btrfs_root *log, u64 transid);
int __init ordered_data_init(void);
void ordered_data_exit(void);
#endif
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