#define CSUM_FMT "0x%*phN"
#define CSUM_FMT_VALUE(size, bytes) size, bytes
-static inline void btrfs_print_data_csum_error(struct btrfs_inode *inode,
- u64 logical_start, u8 *csum, u8 *csum_expected, int mirror_num)
-{
- struct btrfs_root *root = inode->root;
- const u32 csum_size = root->fs_info->csum_size;
-
- /* Output minus objectid, which is more meaningful */
- if (root->root_key.objectid >= BTRFS_LAST_FREE_OBJECTID)
- btrfs_warn_rl(root->fs_info,
-"csum failed root %lld ino %lld off %llu csum " CSUM_FMT " expected csum " CSUM_FMT " mirror %d",
- root->root_key.objectid, btrfs_ino(inode),
- logical_start,
- CSUM_FMT_VALUE(csum_size, csum),
- CSUM_FMT_VALUE(csum_size, csum_expected),
- mirror_num);
- else
- btrfs_warn_rl(root->fs_info,
-"csum failed root %llu ino %llu off %llu csum " CSUM_FMT " expected csum " CSUM_FMT " mirror %d",
- root->root_key.objectid, btrfs_ino(inode),
- logical_start,
- CSUM_FMT_VALUE(csum_size, csum),
- CSUM_FMT_VALUE(csum_size, csum_expected),
- mirror_num);
-}
+void btrfs_submit_data_write_bio(struct btrfs_inode *inode, struct bio *bio, int mirror_num);
+void btrfs_submit_data_read_bio(struct btrfs_inode *inode, struct bio *bio,
+ int mirror_num, enum btrfs_compression_type compress_type);
+void btrfs_submit_dio_repair_bio(struct btrfs_inode *inode, struct bio *bio, int mirror_num);
+blk_status_t btrfs_submit_bio_start(struct btrfs_inode *inode, struct bio *bio);
+blk_status_t btrfs_submit_bio_start_direct_io(struct btrfs_inode *inode,
+ struct bio *bio,
+ u64 dio_file_offset);
+int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page,
+ u32 pgoff, u8 *csum, const u8 * const csum_expected);
+int btrfs_check_data_csum(struct btrfs_inode *inode, struct btrfs_bio *bbio,
+ u32 bio_offset, struct page *page, u32 pgoff);
+unsigned int btrfs_verify_data_csum(struct btrfs_bio *bbio,
+ u32 bio_offset, struct page *page,
+ u64 start, u64 end);
+noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
+ u64 *orig_start, u64 *orig_block_len,
+ u64 *ram_bytes, bool nowait, bool strict);
+
+void __btrfs_del_delalloc_inode(struct btrfs_root *root, struct btrfs_inode *inode);
+struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry);
+int btrfs_set_inode_index(struct btrfs_inode *dir, u64 *index);
+int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
+ struct btrfs_inode *dir, struct btrfs_inode *inode,
+ const struct fscrypt_str *name);
+int btrfs_add_link(struct btrfs_trans_handle *trans,
+ struct btrfs_inode *parent_inode, struct btrfs_inode *inode,
+ const struct fscrypt_str *name, int add_backref, u64 index);
+int btrfs_delete_subvolume(struct btrfs_inode *dir, struct dentry *dentry);
+int btrfs_truncate_block(struct btrfs_inode *inode, loff_t from, loff_t len,
+ int front);
+
+int btrfs_start_delalloc_snapshot(struct btrfs_root *root, bool in_reclaim_context);
+int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, long nr,
+ bool in_reclaim_context);
+int btrfs_set_extent_delalloc(struct btrfs_inode *inode, u64 start, u64 end,
+ unsigned int extra_bits,
+ struct extent_state **cached_state);
+
+struct btrfs_new_inode_args {
+ /* Input */
+ struct inode *dir;
+ struct dentry *dentry;
+ struct inode *inode;
+ bool orphan;
+ bool subvol;
+
+ /* Output from btrfs_new_inode_prepare(), input to btrfs_create_new_inode(). */
+ struct posix_acl *default_acl;
+ struct posix_acl *acl;
+ struct fscrypt_name fname;
+};
+
+int btrfs_new_inode_prepare(struct btrfs_new_inode_args *args,
+ unsigned int *trans_num_items);
+int btrfs_create_new_inode(struct btrfs_trans_handle *trans,
+ struct btrfs_new_inode_args *args);
+void btrfs_new_inode_args_destroy(struct btrfs_new_inode_args *args);
+struct inode *btrfs_new_subvol_inode(struct user_namespace *mnt_userns,
+ struct inode *dir);
+ void btrfs_set_delalloc_extent(struct btrfs_inode *inode, struct extent_state *state,
+ u32 bits);
+void btrfs_clear_delalloc_extent(struct btrfs_inode *inode,
+ struct extent_state *state, u32 bits);
+void btrfs_merge_delalloc_extent(struct btrfs_inode *inode, struct extent_state *new,
+ struct extent_state *other);
+void btrfs_split_delalloc_extent(struct btrfs_inode *inode,
+ struct extent_state *orig, u64 split);
+void btrfs_set_range_writeback(struct btrfs_inode *inode, u64 start, u64 end);
+vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf);
+void btrfs_evict_inode(struct inode *inode);
+struct inode *btrfs_alloc_inode(struct super_block *sb);
+void btrfs_destroy_inode(struct inode *inode);
+void btrfs_free_inode(struct inode *inode);
+int btrfs_drop_inode(struct inode *inode);
+int __init btrfs_init_cachep(void);
+void __cold btrfs_destroy_cachep(void);
+struct inode *btrfs_iget_path(struct super_block *s, u64 ino,
+ struct btrfs_root *root, struct btrfs_path *path);
+struct inode *btrfs_iget(struct super_block *s, u64 ino, struct btrfs_root *root);
+struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
+ struct page *page, size_t pg_offset,
+ u64 start, u64 end);
+int btrfs_update_inode(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, struct btrfs_inode *inode);
+int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, struct btrfs_inode *inode);
+int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct btrfs_inode *inode);
+int btrfs_orphan_cleanup(struct btrfs_root *root);
+int btrfs_cont_expand(struct btrfs_inode *inode, loff_t oldsize, loff_t size);
+void btrfs_add_delayed_iput(struct btrfs_inode *inode);
+void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info);
+int btrfs_wait_on_delayed_iputs(struct btrfs_fs_info *fs_info);
+int btrfs_prealloc_file_range(struct inode *inode, int mode,
+ u64 start, u64 num_bytes, u64 min_size,
+ loff_t actual_len, u64 *alloc_hint);
+int btrfs_prealloc_file_range_trans(struct inode *inode,
+ struct btrfs_trans_handle *trans, int mode,
+ u64 start, u64 num_bytes, u64 min_size,
+ loff_t actual_len, u64 *alloc_hint);
+int btrfs_run_delalloc_range(struct btrfs_inode *inode, struct page *locked_page,
+ u64 start, u64 end, int *page_started,
+ unsigned long *nr_written, struct writeback_control *wbc);
+int btrfs_writepage_cow_fixup(struct page *page);
+void btrfs_writepage_endio_finish_ordered(struct btrfs_inode *inode,
+ struct page *page, u64 start,
+ u64 end, bool uptodate);
+int btrfs_encoded_io_compression_from_extent(struct btrfs_fs_info *fs_info,
+ int compress_type);
+int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode,
+ u64 file_offset, u64 disk_bytenr,
+ u64 disk_io_size,
+ struct page **pages);
+ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter,
+ struct btrfs_ioctl_encoded_io_args *encoded);
+ssize_t btrfs_do_encoded_write(struct kiocb *iocb, struct iov_iter *from,
+ const struct btrfs_ioctl_encoded_io_args *encoded);
+
+ssize_t btrfs_dio_read(struct kiocb *iocb, struct iov_iter *iter,
+ size_t done_before);
+struct iomap_dio *btrfs_dio_write(struct kiocb *iocb, struct iov_iter *iter,
+ size_t done_before);
+
+extern const struct dentry_operations btrfs_dentry_operations;
+
+/* Inode locking type flags, by default the exclusive lock is taken. */
+enum btrfs_ilock_type {
+ ENUM_BIT(BTRFS_ILOCK_SHARED),
+ ENUM_BIT(BTRFS_ILOCK_TRY),
+ ENUM_BIT(BTRFS_ILOCK_MMAP),
+};
+
+int btrfs_inode_lock(struct btrfs_inode *inode, unsigned int ilock_flags);
+void btrfs_inode_unlock(struct btrfs_inode *inode, unsigned int ilock_flags);
+void btrfs_update_inode_bytes(struct btrfs_inode *inode, const u64 add_bytes,
+ const u64 del_bytes);
+void btrfs_assert_inode_range_clean(struct btrfs_inode *inode, u64 start, u64 end);
#endif
git.samba.org / sfrench / cifs-2.6.git / blobdiff