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-rw-r--r--fs/btrfs/ordered-data.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index d61ea9c880a3..c3a2325e64a4 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -56,6 +56,12 @@ enum {
BTRFS_ORDERED_TRUNCATED,
/* Regular IO for COW */
BTRFS_ORDERED_REGULAR,
+ /* Used during fsync to track already logged extents */
+ BTRFS_ORDERED_LOGGED,
+ /* We have already logged all the csums of the ordered extent */
+ BTRFS_ORDERED_LOGGED_CSUM,
+ /* We wait for this extent to complete in the current transaction */
+ BTRFS_ORDERED_PENDING,
};
struct btrfs_ordered_extent {
@@ -104,6 +110,9 @@ struct btrfs_ordered_extent {
/* list of checksums for insertion when the extent io is done */
struct list_head list;
+ /* used for fast fsyncs */
+ struct list_head log_list;
+
/* used to wait for the BTRFS_ORDERED_COMPLETE bit */
wait_queue_head_t wait;
@@ -142,9 +151,9 @@ btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t)
}
void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry);
-void btrfs_remove_ordered_extent(struct inode *inode,
+void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
struct btrfs_ordered_extent *entry);
-int btrfs_dec_test_ordered_pending(struct inode *inode,
+int btrfs_dec_test_ordered_pending(struct btrfs_inode *inode,
struct btrfs_ordered_extent **cached,
u64 file_offset, u64 io_size, int uptodate);
int btrfs_dec_test_first_ordered_pending(struct btrfs_inode *inode,
@@ -165,17 +174,18 @@ void btrfs_add_ordered_sum(struct btrfs_ordered_extent *entry,
struct btrfs_ordered_sum *sum);
struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *inode,
u64 file_offset);
-void btrfs_start_ordered_extent(struct inode *inode,
- struct btrfs_ordered_extent *entry, int wait);
+void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait);
int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len);
struct btrfs_ordered_extent *
-btrfs_lookup_first_ordered_extent(struct inode * inode, u64 file_offset);
+btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset);
struct btrfs_ordered_extent *btrfs_lookup_ordered_range(
struct btrfs_inode *inode,
u64 file_offset,
u64 len);
-int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
- u8 *sum, int len);
+void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
+ struct list_head *list);
+int btrfs_find_ordered_sum(struct btrfs_inode *inode, u64 offset,
+ u64 disk_bytenr, u8 *sum, int len);
u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
const u64 range_start, const u64 range_len);
void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,