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Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h89
1 files changed, 33 insertions, 56 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 118346aceea9..318be7864072 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -55,8 +55,6 @@ struct btrfs_ordered_sum;
#define BTRFS_OLDEST_GENERATION 0ULL
-#define BTRFS_COMPAT_EXTENT_TREE_V0
-
/*
* the max metadata block size. This limit is somewhat artificial,
* but the memmove costs go through the roof for larger blocks.
@@ -86,6 +84,14 @@ static const int btrfs_csum_sizes[] = { 4 };
#define BTRFS_DIRTY_METADATA_THRESH SZ_32M
+/*
+ * Use large batch size to reduce overhead of metadata updates. On the reader
+ * side, we only read it when we are close to ENOSPC and the read overhead is
+ * mostly related to the number of CPUs, so it is OK to use arbitrary large
+ * value here.
+ */
+#define BTRFS_TOTAL_BYTES_PINNED_BATCH SZ_128M
+
#define BTRFS_MAX_EXTENT_SIZE SZ_128M
@@ -342,8 +348,8 @@ struct btrfs_path {
sizeof(struct btrfs_item))
struct btrfs_dev_replace {
u64 replace_state; /* see #define above */
- u64 time_started; /* seconds since 1-Jan-1970 */
- u64 time_stopped; /* seconds since 1-Jan-1970 */
+ time64_t time_started; /* seconds since 1-Jan-1970 */
+ time64_t time_stopped; /* seconds since 1-Jan-1970 */
atomic64_t num_write_errors;
atomic64_t num_uncorrectable_read_errors;
@@ -359,8 +365,6 @@ struct btrfs_dev_replace {
struct btrfs_device *srcdev;
struct btrfs_device *tgtdev;
- pid_t lock_owner;
- atomic_t nesting_level;
struct mutex lock_finishing_cancel_unmount;
rwlock_t lock;
atomic_t read_locks;
@@ -1213,7 +1217,6 @@ struct btrfs_root {
u64 defrag_trans_start;
struct btrfs_key defrag_progress;
struct btrfs_key defrag_max;
- char *name;
/* the dirty list is only used by non-reference counted roots */
struct list_head dirty_list;
@@ -2428,32 +2431,6 @@ static inline u32 btrfs_file_extent_inline_item_len(
return btrfs_item_size(eb, e) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
}
-/* this returns the number of file bytes represented by the inline item.
- * If an item is compressed, this is the uncompressed size
- */
-static inline u32 btrfs_file_extent_inline_len(const struct extent_buffer *eb,
- int slot,
- const struct btrfs_file_extent_item *fi)
-{
- struct btrfs_map_token token;
-
- btrfs_init_map_token(&token);
- /*
- * return the space used on disk if this item isn't
- * compressed or encoded
- */
- if (btrfs_token_file_extent_compression(eb, fi, &token) == 0 &&
- btrfs_token_file_extent_encryption(eb, fi, &token) == 0 &&
- btrfs_token_file_extent_other_encoding(eb, fi, &token) == 0) {
- return btrfs_file_extent_inline_item_len(eb,
- btrfs_item_nr(slot));
- }
-
- /* otherwise use the ram bytes field */
- return btrfs_token_file_extent_ram_bytes(eb, fi, &token);
-}
-
-
/* btrfs_dev_stats_item */
static inline u64 btrfs_dev_stats_value(const struct extent_buffer *eb,
const struct btrfs_dev_stats_item *ptr,
@@ -2676,7 +2653,6 @@ int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
u64 offset, u64 ram_bytes,
struct btrfs_key *ins);
int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info,
u64 root_objectid, u64 owner, u64 offset,
struct btrfs_key *ins);
int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,
@@ -2716,15 +2692,14 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info);
int btrfs_read_block_groups(struct btrfs_fs_info *info);
int btrfs_can_relocate(struct btrfs_fs_info *fs_info, u64 bytenr);
int btrfs_make_block_group(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info, u64 bytes_used,
- u64 type, u64 chunk_offset, u64 size);
+ u64 bytes_used, u64 type, u64 chunk_offset,
+ u64 size);
void btrfs_add_raid_kobjects(struct btrfs_fs_info *fs_info);
struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
struct btrfs_fs_info *fs_info,
const u64 chunk_offset);
int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info, u64 group_start,
- struct extent_map *em);
+ u64 group_start, struct extent_map *em);
void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info);
void btrfs_get_block_group_trimming(struct btrfs_block_group_cache *cache);
void btrfs_put_block_group_trimming(struct btrfs_block_group_cache *cache);
@@ -2786,7 +2761,6 @@ void btrfs_init_metadata_block_rsv(struct btrfs_fs_info *fs_info,
unsigned short type);
void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *rsv);
-void __btrfs_free_block_rsv(struct btrfs_block_rsv *rsv);
int btrfs_block_rsv_add(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv, u64 num_bytes,
enum btrfs_reserve_flush_enum flush);
@@ -2803,8 +2777,7 @@ int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *block_rsv,
u64 num_bytes);
-int btrfs_inc_block_group_ro(struct btrfs_fs_info *fs_info,
- struct btrfs_block_group_cache *cache);
+int btrfs_inc_block_group_ro(struct btrfs_block_group_cache *cache);
void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache);
void btrfs_put_block_group_cache(struct btrfs_fs_info *info);
u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo);
@@ -2812,8 +2785,7 @@ int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info,
u64 start, u64 end);
int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr,
u64 num_bytes, u64 *actual_bytes);
-int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info, u64 type);
+int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, u64 type);
int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range);
int btrfs_init_space_info(struct btrfs_fs_info *fs_info);
@@ -2822,10 +2794,10 @@ int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans,
int btrfs_start_write_no_snapshotting(struct btrfs_root *root);
void btrfs_end_write_no_snapshotting(struct btrfs_root *root);
void btrfs_wait_for_snapshot_creation(struct btrfs_root *root);
-void check_system_chunk(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info, const u64 type);
+void check_system_chunk(struct btrfs_trans_handle *trans, const u64 type);
u64 add_new_free_space(struct btrfs_block_group_cache *block_group,
u64 start, u64 end);
+void btrfs_mark_bg_unused(struct btrfs_block_group_cache *bg);
/* ctree.c */
int btrfs_bin_search(struct extent_buffer *eb, const struct btrfs_key *key,
@@ -3011,16 +2983,14 @@ void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info,
int btrfs_old_root_level(struct btrfs_root *root, u64 time_seq);
/* root-item.c */
-int btrfs_add_root_ref(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info,
- u64 root_id, u64 ref_id, u64 dirid, u64 sequence,
- const char *name, int name_len);
-int btrfs_del_root_ref(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info,
- u64 root_id, u64 ref_id, u64 dirid, u64 *sequence,
- const char *name, int name_len);
+int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
+ u64 ref_id, u64 dirid, u64 sequence, const char *name,
+ int name_len);
+int btrfs_del_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
+ u64 ref_id, u64 dirid, u64 *sequence, const char *name,
+ int name_len);
int btrfs_del_root(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info, const struct btrfs_key *key);
+ const struct btrfs_key *key);
int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
const struct btrfs_key *key,
struct btrfs_root_item *item);
@@ -3196,7 +3166,7 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
size_t size, struct bio *bio,
unsigned long bio_flags);
-void btrfs_set_range_writeback(void *private_data, u64 start, u64 end);
+void btrfs_set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end);
vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf);
int btrfs_readpage(struct file *file, struct page *page);
void btrfs_evict_inode(struct inode *inode);
@@ -3452,7 +3422,7 @@ do { \
#ifdef CONFIG_BTRFS_ASSERT
__cold
-static inline void assfail(char *expr, char *file, int line)
+static inline void assfail(const char *expr, const char *file, int line)
{
pr_err("assertion failed: %s, file: %s, line: %d\n",
expr, file, line);
@@ -3465,6 +3435,13 @@ static inline void assfail(char *expr, char *file, int line)
#define ASSERT(expr) ((void)0)
#endif
+__cold
+static inline void btrfs_print_v0_err(struct btrfs_fs_info *fs_info)
+{
+ btrfs_err(fs_info,
+"Unsupported V0 extent filesystem detected. Aborting. Please re-create your filesystem with a newer kernel");
+}
+
__printf(5, 6)
__cold
void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-21 20:38:48 +0300