summaryrefslogtreecommitdiff
path: root/fs/btrfs/ordered-data.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/ordered-data.h')
-rw-r--r--fs/btrfs/ordered-data.h71
1 files changed, 39 insertions, 32 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 173bd5c5df26..4e152736d06c 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -6,12 +6,20 @@
#ifndef BTRFS_ORDERED_DATA_H
#define BTRFS_ORDERED_DATA_H
-/* one of these per inode */
-struct btrfs_ordered_inode_tree {
- spinlock_t lock;
- struct rb_root tree;
- struct rb_node *last;
-};
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/refcount.h>
+#include <linux/completion.h>
+#include <linux/rbtree.h>
+#include <linux/wait.h>
+#include "async-thread.h"
+
+struct inode;
+struct page;
+struct extent_state;
+struct btrfs_inode;
+struct btrfs_root;
+struct btrfs_fs_info;
struct btrfs_ordered_sum {
/*
@@ -104,13 +112,6 @@ struct btrfs_ordered_extent {
u64 bytes_left;
/*
- * the end of the ordered extent which is behind it but
- * didn't update disk_i_size. Please see the comment of
- * btrfs_ordered_update_i_size();
- */
- u64 outstanding_isize;
-
- /*
* If we get truncated we need to adjust the file extent we enter for
* this ordered extent so that we do not expose stale data.
*/
@@ -129,7 +130,7 @@ struct btrfs_ordered_extent {
refcount_t refs;
/* the inode we belong to */
- struct inode *inode;
+ struct btrfs_inode *inode;
/* list of checksums for insertion when the extent io is done */
struct list_head list;
@@ -151,15 +152,9 @@ struct btrfs_ordered_extent {
struct completion completion;
struct btrfs_work flush_work;
struct list_head work_list;
-};
-static inline void
-btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t)
-{
- spin_lock_init(&t->lock);
- t->tree = RB_ROOT;
- t->last = NULL;
-}
+ struct list_head bioc_list;
+};
int btrfs_finish_one_ordered(struct btrfs_ordered_extent *ordered_extent);
int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent);
@@ -167,26 +162,37 @@ int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent);
void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry);
void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
struct btrfs_ordered_extent *entry);
-bool btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
- struct page *page, u64 file_offset, u64 len,
+void btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
+ struct folio *folio, u64 file_offset, u64 len,
bool uptodate);
void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
- struct page *page, u64 file_offset,
- u64 num_bytes, bool uptodate);
+ struct folio *folio, u64 file_offset,
+ u64 num_bytes, bool uptodate);
bool btrfs_dec_test_ordered_pending(struct btrfs_inode *inode,
struct btrfs_ordered_extent **cached,
u64 file_offset, u64 io_size);
+
+/*
+ * This represents details about the target file extent item of a write operation.
+ */
+struct btrfs_file_extent {
+ u64 disk_bytenr;
+ u64 disk_num_bytes;
+ u64 num_bytes;
+ u64 ram_bytes;
+ u64 offset;
+ u8 compression;
+};
+
struct btrfs_ordered_extent *btrfs_alloc_ordered_extent(
struct btrfs_inode *inode, u64 file_offset,
- u64 num_bytes, u64 ram_bytes, u64 disk_bytenr,
- u64 disk_num_bytes, u64 offset, unsigned long flags,
- int compress_type);
+ const struct btrfs_file_extent *file_extent, unsigned long flags);
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 btrfs_ordered_extent *entry);
-int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len);
+int btrfs_wait_ordered_range(struct btrfs_inode *inode, u64 start, u64 len);
struct btrfs_ordered_extent *
btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset);
struct btrfs_ordered_extent *btrfs_lookup_first_ordered_range(
@@ -198,9 +204,9 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_range(
void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
struct list_head *list);
u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
- const u64 range_start, const u64 range_len);
+ const struct btrfs_block_group *bg);
void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,
- const u64 range_start, const u64 range_len);
+ const struct btrfs_block_group *bg);
void btrfs_lock_and_flush_ordered_range(struct btrfs_inode *inode, u64 start,
u64 end,
struct extent_state **cached_state);
@@ -208,6 +214,7 @@ bool btrfs_try_lock_ordered_range(struct btrfs_inode *inode, u64 start, u64 end,
struct extent_state **cached_state);
struct btrfs_ordered_extent *btrfs_split_ordered_extent(
struct btrfs_ordered_extent *ordered, u64 len);
+void btrfs_mark_ordered_extent_error(struct btrfs_ordered_extent *ordered);
int __init ordered_data_init(void);
void __cold ordered_data_exit(void);