diff options
Diffstat (limited to 'fs/btrfs/btrfs_inode.h')
| -rw-r--r-- | fs/btrfs/btrfs_inode.h | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 9dc21622806e..ec2ae4406c16 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -142,11 +142,22 @@ struct btrfs_inode { /* a local copy of root's last_log_commit */ int last_log_commit; - /* - * Total number of bytes pending delalloc, used by stat to calculate the - * real block usage of the file. This is used only for files. - */ - u64 delalloc_bytes; + union { + /* + * Total number of bytes pending delalloc, used by stat to + * calculate the real block usage of the file. This is used + * only for files. + */ + u64 delalloc_bytes; + /* + * The lowest possible index of the next dir index key which + * points to an inode that needs to be logged. + * This is used only for directories. + * Use the helpers btrfs_get_first_dir_index_to_log() and + * btrfs_set_first_dir_index_to_log() to access this field. + */ + u64 first_dir_index_to_log; + }; union { /* @@ -247,6 +258,17 @@ struct btrfs_inode { struct inode vfs_inode; }; +static inline u64 btrfs_get_first_dir_index_to_log(const struct btrfs_inode *inode) +{ + return READ_ONCE(inode->first_dir_index_to_log); +} + +static inline void btrfs_set_first_dir_index_to_log(struct btrfs_inode *inode, + u64 index) +{ + WRITE_ONCE(inode->first_dir_index_to_log, index); +} + static inline struct btrfs_inode *BTRFS_I(const struct inode *inode) { return container_of(inode, struct btrfs_inode, vfs_inode); @@ -407,7 +429,8 @@ static inline void btrfs_inode_split_flags(u64 inode_item_flags, int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page, u32 pgoff, u8 *csum, const u8 * const csum_expected); -blk_status_t btrfs_extract_ordered_extent(struct btrfs_bio *bbio); +int btrfs_extract_ordered_extent(struct btrfs_bio *bbio, + struct btrfs_ordered_extent *ordered); bool btrfs_data_csum_ok(struct btrfs_bio *bbio, struct btrfs_device *dev, u32 bio_offset, struct bio_vec *bv); noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, |