Lines Matching refs:bmap
22 struct inode *nilfs_bmap_get_dat(const struct nilfs_bmap *bmap) in nilfs_bmap_get_dat() argument
24 struct the_nilfs *nilfs = bmap->b_inode->i_sb->s_fs_info; in nilfs_bmap_get_dat()
29 static int nilfs_bmap_convert_error(struct nilfs_bmap *bmap, in nilfs_bmap_convert_error() argument
32 struct inode *inode = bmap->b_inode; in nilfs_bmap_convert_error()
62 int nilfs_bmap_lookup_at_level(struct nilfs_bmap *bmap, __u64 key, int level, in nilfs_bmap_lookup_at_level() argument
68 down_read(&bmap->b_sem); in nilfs_bmap_lookup_at_level()
69 ret = bmap->b_ops->bop_lookup(bmap, key, level, ptrp); in nilfs_bmap_lookup_at_level()
73 if (NILFS_BMAP_USE_VBN(bmap)) { in nilfs_bmap_lookup_at_level()
74 ret = nilfs_dat_translate(nilfs_bmap_get_dat(bmap), *ptrp, in nilfs_bmap_lookup_at_level()
90 up_read(&bmap->b_sem); in nilfs_bmap_lookup_at_level()
91 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_lookup_at_level()
94 int nilfs_bmap_lookup_contig(struct nilfs_bmap *bmap, __u64 key, __u64 *ptrp, in nilfs_bmap_lookup_contig() argument
99 down_read(&bmap->b_sem); in nilfs_bmap_lookup_contig()
100 ret = bmap->b_ops->bop_lookup_contig(bmap, key, ptrp, maxblocks); in nilfs_bmap_lookup_contig()
101 up_read(&bmap->b_sem); in nilfs_bmap_lookup_contig()
103 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_lookup_contig()
106 static int nilfs_bmap_do_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr) in nilfs_bmap_do_insert() argument
112 if (bmap->b_ops->bop_check_insert != NULL) { in nilfs_bmap_do_insert()
113 ret = bmap->b_ops->bop_check_insert(bmap, key); in nilfs_bmap_do_insert()
115 n = bmap->b_ops->bop_gather_data( in nilfs_bmap_do_insert()
116 bmap, keys, ptrs, NILFS_BMAP_SMALL_HIGH + 1); in nilfs_bmap_do_insert()
120 bmap, key, ptr, keys, ptrs, n); in nilfs_bmap_do_insert()
122 bmap->b_u.u_flags |= NILFS_BMAP_LARGE; in nilfs_bmap_do_insert()
129 return bmap->b_ops->bop_insert(bmap, key, ptr); in nilfs_bmap_do_insert()
150 int nilfs_bmap_insert(struct nilfs_bmap *bmap, __u64 key, unsigned long rec) in nilfs_bmap_insert() argument
154 down_write(&bmap->b_sem); in nilfs_bmap_insert()
155 ret = nilfs_bmap_do_insert(bmap, key, rec); in nilfs_bmap_insert()
156 up_write(&bmap->b_sem); in nilfs_bmap_insert()
158 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_insert()
161 static int nilfs_bmap_do_delete(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_do_delete() argument
167 if (bmap->b_ops->bop_check_delete != NULL) { in nilfs_bmap_do_delete()
168 ret = bmap->b_ops->bop_check_delete(bmap, key); in nilfs_bmap_do_delete()
170 n = bmap->b_ops->bop_gather_data( in nilfs_bmap_do_delete()
171 bmap, keys, ptrs, NILFS_BMAP_LARGE_LOW + 1); in nilfs_bmap_do_delete()
175 bmap, key, keys, ptrs, n); in nilfs_bmap_do_delete()
177 bmap->b_u.u_flags &= ~NILFS_BMAP_LARGE; in nilfs_bmap_do_delete()
184 return bmap->b_ops->bop_delete(bmap, key); in nilfs_bmap_do_delete()
205 int nilfs_bmap_seek_key(struct nilfs_bmap *bmap, __u64 start, __u64 *keyp) in nilfs_bmap_seek_key() argument
209 down_read(&bmap->b_sem); in nilfs_bmap_seek_key()
210 ret = bmap->b_ops->bop_seek_key(bmap, start, keyp); in nilfs_bmap_seek_key()
211 up_read(&bmap->b_sem); in nilfs_bmap_seek_key()
214 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_seek_key()
218 int nilfs_bmap_last_key(struct nilfs_bmap *bmap, __u64 *keyp) in nilfs_bmap_last_key() argument
222 down_read(&bmap->b_sem); in nilfs_bmap_last_key()
223 ret = bmap->b_ops->bop_last_key(bmap, keyp); in nilfs_bmap_last_key()
224 up_read(&bmap->b_sem); in nilfs_bmap_last_key()
227 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_last_key()
248 int nilfs_bmap_delete(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_delete() argument
252 down_write(&bmap->b_sem); in nilfs_bmap_delete()
253 ret = nilfs_bmap_do_delete(bmap, key); in nilfs_bmap_delete()
254 up_write(&bmap->b_sem); in nilfs_bmap_delete()
256 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_delete()
259 static int nilfs_bmap_do_truncate(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_do_truncate() argument
264 ret = bmap->b_ops->bop_last_key(bmap, &lastkey); in nilfs_bmap_do_truncate()
272 ret = nilfs_bmap_do_delete(bmap, lastkey); in nilfs_bmap_do_truncate()
275 ret = bmap->b_ops->bop_last_key(bmap, &lastkey); in nilfs_bmap_do_truncate()
300 int nilfs_bmap_truncate(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_truncate() argument
304 down_write(&bmap->b_sem); in nilfs_bmap_truncate()
305 ret = nilfs_bmap_do_truncate(bmap, key); in nilfs_bmap_truncate()
306 up_write(&bmap->b_sem); in nilfs_bmap_truncate()
308 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_truncate()
317 void nilfs_bmap_clear(struct nilfs_bmap *bmap) in nilfs_bmap_clear() argument
319 down_write(&bmap->b_sem); in nilfs_bmap_clear()
320 if (bmap->b_ops->bop_clear != NULL) in nilfs_bmap_clear()
321 bmap->b_ops->bop_clear(bmap); in nilfs_bmap_clear()
322 up_write(&bmap->b_sem); in nilfs_bmap_clear()
340 int nilfs_bmap_propagate(struct nilfs_bmap *bmap, struct buffer_head *bh) in nilfs_bmap_propagate() argument
344 down_write(&bmap->b_sem); in nilfs_bmap_propagate()
345 ret = bmap->b_ops->bop_propagate(bmap, bh); in nilfs_bmap_propagate()
346 up_write(&bmap->b_sem); in nilfs_bmap_propagate()
348 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_propagate()
356 void nilfs_bmap_lookup_dirty_buffers(struct nilfs_bmap *bmap, in nilfs_bmap_lookup_dirty_buffers() argument
359 if (bmap->b_ops->bop_lookup_dirty_buffers != NULL) in nilfs_bmap_lookup_dirty_buffers()
360 bmap->b_ops->bop_lookup_dirty_buffers(bmap, listp); in nilfs_bmap_lookup_dirty_buffers()
382 int nilfs_bmap_assign(struct nilfs_bmap *bmap, in nilfs_bmap_assign() argument
389 down_write(&bmap->b_sem); in nilfs_bmap_assign()
390 ret = bmap->b_ops->bop_assign(bmap, bh, blocknr, binfo); in nilfs_bmap_assign()
391 up_write(&bmap->b_sem); in nilfs_bmap_assign()
393 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_assign()
412 int nilfs_bmap_mark(struct nilfs_bmap *bmap, __u64 key, int level) in nilfs_bmap_mark() argument
416 if (bmap->b_ops->bop_mark == NULL) in nilfs_bmap_mark()
419 down_write(&bmap->b_sem); in nilfs_bmap_mark()
420 ret = bmap->b_ops->bop_mark(bmap, key, level); in nilfs_bmap_mark()
421 up_write(&bmap->b_sem); in nilfs_bmap_mark()
423 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_mark()
435 int nilfs_bmap_test_and_clear_dirty(struct nilfs_bmap *bmap) in nilfs_bmap_test_and_clear_dirty() argument
439 down_write(&bmap->b_sem); in nilfs_bmap_test_and_clear_dirty()
440 ret = nilfs_bmap_dirty(bmap); in nilfs_bmap_test_and_clear_dirty()
441 nilfs_bmap_clear_dirty(bmap); in nilfs_bmap_test_and_clear_dirty()
442 up_write(&bmap->b_sem); in nilfs_bmap_test_and_clear_dirty()
450 __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *bmap, in nilfs_bmap_data_get_key() argument
457 bmap->b_inode->i_blkbits); in nilfs_bmap_data_get_key()
464 __u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_find_target_seq() argument
468 diff = key - bmap->b_last_allocated_key; in nilfs_bmap_find_target_seq()
470 (bmap->b_last_allocated_ptr != NILFS_BMAP_INVALID_PTR) && in nilfs_bmap_find_target_seq()
471 (bmap->b_last_allocated_ptr + diff > 0)) in nilfs_bmap_find_target_seq()
472 return bmap->b_last_allocated_ptr + diff; in nilfs_bmap_find_target_seq()
478 __u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *bmap) in nilfs_bmap_find_target_in_group() argument
480 struct inode *dat = nilfs_bmap_get_dat(bmap); in nilfs_bmap_find_target_in_group()
482 unsigned long group = bmap->b_inode->i_ino / entries_per_group; in nilfs_bmap_find_target_in_group()
485 (bmap->b_inode->i_ino % NILFS_BMAP_GROUP_DIV) * in nilfs_bmap_find_target_in_group()
504 int nilfs_bmap_read(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) in nilfs_bmap_read() argument
507 memset(bmap->b_u.u_data, 0, NILFS_BMAP_SIZE); in nilfs_bmap_read()
509 memcpy(bmap->b_u.u_data, raw_inode->i_bmap, NILFS_BMAP_SIZE); in nilfs_bmap_read()
511 init_rwsem(&bmap->b_sem); in nilfs_bmap_read()
512 bmap->b_state = 0; in nilfs_bmap_read()
513 bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode; in nilfs_bmap_read()
514 switch (bmap->b_inode->i_ino) { in nilfs_bmap_read()
516 bmap->b_ptr_type = NILFS_BMAP_PTR_P; in nilfs_bmap_read()
517 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
518 bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT; in nilfs_bmap_read()
519 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_dat_lock_key); in nilfs_bmap_read()
523 bmap->b_ptr_type = NILFS_BMAP_PTR_VS; in nilfs_bmap_read()
524 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
525 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_read()
526 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); in nilfs_bmap_read()
529 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); in nilfs_bmap_read()
532 bmap->b_ptr_type = NILFS_BMAP_PTR_VM; in nilfs_bmap_read()
533 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
534 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_read()
538 return (bmap->b_u.u_flags & NILFS_BMAP_LARGE) ? in nilfs_bmap_read()
539 nilfs_btree_init(bmap) : nilfs_direct_init(bmap); in nilfs_bmap_read()
549 void nilfs_bmap_write(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) in nilfs_bmap_write() argument
551 down_write(&bmap->b_sem); in nilfs_bmap_write()
552 memcpy(raw_inode->i_bmap, bmap->b_u.u_data, in nilfs_bmap_write()
554 if (bmap->b_inode->i_ino == NILFS_DAT_INO) in nilfs_bmap_write()
555 bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT; in nilfs_bmap_write()
557 up_write(&bmap->b_sem); in nilfs_bmap_write()
560 void nilfs_bmap_init_gc(struct nilfs_bmap *bmap) in nilfs_bmap_init_gc() argument
562 memset(&bmap->b_u, 0, NILFS_BMAP_SIZE); in nilfs_bmap_init_gc()
563 init_rwsem(&bmap->b_sem); in nilfs_bmap_init_gc()
564 bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode; in nilfs_bmap_init_gc()
565 bmap->b_ptr_type = NILFS_BMAP_PTR_U; in nilfs_bmap_init_gc()
566 bmap->b_last_allocated_key = 0; in nilfs_bmap_init_gc()
567 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_init_gc()
568 bmap->b_state = 0; in nilfs_bmap_init_gc()
569 nilfs_btree_init_gc(bmap); in nilfs_bmap_init_gc()
572 void nilfs_bmap_save(const struct nilfs_bmap *bmap, in nilfs_bmap_save() argument
575 memcpy(store->data, bmap->b_u.u_data, sizeof(store->data)); in nilfs_bmap_save()
576 store->last_allocated_key = bmap->b_last_allocated_key; in nilfs_bmap_save()
577 store->last_allocated_ptr = bmap->b_last_allocated_ptr; in nilfs_bmap_save()
578 store->state = bmap->b_state; in nilfs_bmap_save()
581 void nilfs_bmap_restore(struct nilfs_bmap *bmap, in nilfs_bmap_restore() argument
584 memcpy(bmap->b_u.u_data, store->data, sizeof(store->data)); in nilfs_bmap_restore()
585 bmap->b_last_allocated_key = store->last_allocated_key; in nilfs_bmap_restore()
586 bmap->b_last_allocated_ptr = store->last_allocated_ptr; in nilfs_bmap_restore()
587 bmap->b_state = store->state; in nilfs_bmap_restore()