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btrfs: move the failrec tree stuff into extent-io-tree.h 

This needs to be cleaned up in the future, but for now it belongs to the
extent-io-tree stuff since it uses the internal tree search code.
Needed to export get_state_failrec and set_state_failrec as well since
we're not going to move the actual IO part of the failrec stuff out at
this point.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2019-09-23 10:05:21 -04:00 committed by David Sterba
parent 083e75e7e6
commit b3f167aa6c
3 changed files with 22 additions and 15 deletions
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18
fs/btrfs/extent-io-tree.h
View File

@ -4,6 +4,7 @@
#define BTRFS_EXTENT_IO_TREE_H
struct extent_changeset;
struct io_failure_record;
/* Bits for the extent state */
#define EXTENT_DIRTY (1U << 0)
@ -227,4 +228,21 @@ bool btrfs_find_delalloc_range(struct extent_io_tree *tree, u64 *start,
u64 *end, u64 max_bytes,
struct extent_state **cached_state);
/* This should be reworked in the future and put elsewhere. */
int get_state_failrec(struct extent_io_tree *tree, u64 start,
struct io_failure_record **failrec);
int set_state_failrec(struct extent_io_tree *tree, u64 start,
struct io_failure_record *failrec);
void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start,
u64 end);
int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end,
struct io_failure_record **failrec_ret);
int free_io_failure(struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree,
struct io_failure_record *rec);
int clean_io_failure(struct btrfs_fs_info *fs_info,
struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree, u64 start,
struct page *page, u64 ino, unsigned int pg_offset);
#endif /* BTRFS_EXTENT_IO_TREE_H */

8
fs/btrfs/extent_io.c
View File

@ -2024,8 +2024,8 @@ out:
* set the private field for a given byte offset in the tree. If there isn't
* an extent_state there already, this does nothing.
*/
static noinline int set_state_failrec(struct extent_io_tree *tree, u64 start,
struct io_failure_record *failrec)
int set_state_failrec(struct extent_io_tree *tree, u64 start,
struct io_failure_record *failrec)
{
struct rb_node *node;
struct extent_state *state;
@ -2052,8 +2052,8 @@ out:
return ret;
}
static noinline int get_state_failrec(struct extent_io_tree *tree, u64 start,
struct io_failure_record **failrec)
int get_state_failrec(struct extent_io_tree *tree, u64 start,
struct io_failure_record **failrec)
{
struct rb_node *node;
struct extent_state *state;

11
fs/btrfs/extent_io.h
View File

@ -296,10 +296,6 @@ struct btrfs_inode;
int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
u64 length, u64 logical, struct page *page,
unsigned int pg_offset, int mirror_num);
int clean_io_failure(struct btrfs_fs_info *fs_info,
struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree, u64 start,
struct page *page, u64 ino, unsigned int pg_offset);
void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
int btrfs_repair_eb_io_failure(struct extent_buffer *eb, int mirror_num);
@ -323,19 +319,12 @@ struct io_failure_record {
};
void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start,
u64 end);
int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end,
struct io_failure_record **failrec_ret);
bool btrfs_check_repairable(struct inode *inode, unsigned failed_bio_pages,
struct io_failure_record *failrec, int fail_mirror);
struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
struct io_failure_record *failrec,
struct page *page, int pg_offset, int icsum,
bio_end_io_t *endio_func, void *data);
int free_io_failure(struct extent_io_tree *failure_tree,
struct extent_io_tree *io_tree,
struct io_failure_record *rec);
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
bool find_lock_delalloc_range(struct inode *inode,
struct page *locked_page, u64 *start,