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()
59 int nilfs_bmap_lookup_at_level(struct nilfs_bmap *bmap, __u64 key, int level, in nilfs_bmap_lookup_at_level() argument
65 down_read(&bmap->b_sem); in nilfs_bmap_lookup_at_level()
66 ret = bmap->b_ops->bop_lookup(bmap, key, level, ptrp); in nilfs_bmap_lookup_at_level()
70 if (NILFS_BMAP_USE_VBN(bmap)) { in nilfs_bmap_lookup_at_level()
71 ret = nilfs_dat_translate(nilfs_bmap_get_dat(bmap), *ptrp, in nilfs_bmap_lookup_at_level()
87 up_read(&bmap->b_sem); in nilfs_bmap_lookup_at_level()
88 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_lookup_at_level()
91 int nilfs_bmap_lookup_contig(struct nilfs_bmap *bmap, __u64 key, __u64 *ptrp, in nilfs_bmap_lookup_contig() argument
96 down_read(&bmap->b_sem); in nilfs_bmap_lookup_contig()
97 ret = bmap->b_ops->bop_lookup_contig(bmap, key, ptrp, maxblocks); in nilfs_bmap_lookup_contig()
98 up_read(&bmap->b_sem); in nilfs_bmap_lookup_contig()
100 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_lookup_contig()
103 static int nilfs_bmap_do_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr) in nilfs_bmap_do_insert() argument
109 if (bmap->b_ops->bop_check_insert != NULL) { in nilfs_bmap_do_insert()
110 ret = bmap->b_ops->bop_check_insert(bmap, key); in nilfs_bmap_do_insert()
112 n = bmap->b_ops->bop_gather_data( in nilfs_bmap_do_insert()
113 bmap, keys, ptrs, NILFS_BMAP_SMALL_HIGH + 1); in nilfs_bmap_do_insert()
117 bmap, key, ptr, keys, ptrs, n); in nilfs_bmap_do_insert()
119 bmap->b_u.u_flags |= NILFS_BMAP_LARGE; in nilfs_bmap_do_insert()
126 return bmap->b_ops->bop_insert(bmap, key, ptr); in nilfs_bmap_do_insert()
144 int nilfs_bmap_insert(struct nilfs_bmap *bmap, __u64 key, unsigned long rec) in nilfs_bmap_insert() argument
148 down_write(&bmap->b_sem); in nilfs_bmap_insert()
149 ret = nilfs_bmap_do_insert(bmap, key, rec); in nilfs_bmap_insert()
150 up_write(&bmap->b_sem); in nilfs_bmap_insert()
152 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_insert()
155 static int nilfs_bmap_do_delete(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_do_delete() argument
161 if (bmap->b_ops->bop_check_delete != NULL) { in nilfs_bmap_do_delete()
162 ret = bmap->b_ops->bop_check_delete(bmap, key); in nilfs_bmap_do_delete()
164 n = bmap->b_ops->bop_gather_data( in nilfs_bmap_do_delete()
165 bmap, keys, ptrs, NILFS_BMAP_LARGE_LOW + 1); in nilfs_bmap_do_delete()
169 bmap, key, keys, ptrs, n); in nilfs_bmap_do_delete()
171 bmap->b_u.u_flags &= ~NILFS_BMAP_LARGE; in nilfs_bmap_do_delete()
178 return bmap->b_ops->bop_delete(bmap, key); in nilfs_bmap_do_delete()
196 int nilfs_bmap_seek_key(struct nilfs_bmap *bmap, __u64 start, __u64 *keyp) in nilfs_bmap_seek_key() argument
200 down_read(&bmap->b_sem); in nilfs_bmap_seek_key()
201 ret = bmap->b_ops->bop_seek_key(bmap, start, keyp); in nilfs_bmap_seek_key()
202 up_read(&bmap->b_sem); in nilfs_bmap_seek_key()
205 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_seek_key()
209 int nilfs_bmap_last_key(struct nilfs_bmap *bmap, __u64 *keyp) in nilfs_bmap_last_key() argument
213 down_read(&bmap->b_sem); in nilfs_bmap_last_key()
214 ret = bmap->b_ops->bop_last_key(bmap, keyp); in nilfs_bmap_last_key()
215 up_read(&bmap->b_sem); in nilfs_bmap_last_key()
218 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_last_key()
236 int nilfs_bmap_delete(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_delete() argument
240 down_write(&bmap->b_sem); in nilfs_bmap_delete()
241 ret = nilfs_bmap_do_delete(bmap, key); in nilfs_bmap_delete()
242 up_write(&bmap->b_sem); in nilfs_bmap_delete()
244 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_delete()
247 static int nilfs_bmap_do_truncate(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_do_truncate() argument
252 ret = bmap->b_ops->bop_last_key(bmap, &lastkey); in nilfs_bmap_do_truncate()
260 ret = nilfs_bmap_do_delete(bmap, lastkey); in nilfs_bmap_do_truncate()
263 ret = bmap->b_ops->bop_last_key(bmap, &lastkey); in nilfs_bmap_do_truncate()
286 int nilfs_bmap_truncate(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_truncate() argument
290 down_write(&bmap->b_sem); in nilfs_bmap_truncate()
291 ret = nilfs_bmap_do_truncate(bmap, key); in nilfs_bmap_truncate()
292 up_write(&bmap->b_sem); in nilfs_bmap_truncate()
294 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_truncate()
303 void nilfs_bmap_clear(struct nilfs_bmap *bmap) in nilfs_bmap_clear() argument
305 down_write(&bmap->b_sem); in nilfs_bmap_clear()
306 if (bmap->b_ops->bop_clear != NULL) in nilfs_bmap_clear()
307 bmap->b_ops->bop_clear(bmap); in nilfs_bmap_clear()
308 up_write(&bmap->b_sem); in nilfs_bmap_clear()
324 int nilfs_bmap_propagate(struct nilfs_bmap *bmap, struct buffer_head *bh) in nilfs_bmap_propagate() argument
328 down_write(&bmap->b_sem); in nilfs_bmap_propagate()
329 ret = bmap->b_ops->bop_propagate(bmap, bh); in nilfs_bmap_propagate()
330 up_write(&bmap->b_sem); in nilfs_bmap_propagate()
332 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_propagate()
340 void nilfs_bmap_lookup_dirty_buffers(struct nilfs_bmap *bmap, in nilfs_bmap_lookup_dirty_buffers() argument
343 if (bmap->b_ops->bop_lookup_dirty_buffers != NULL) in nilfs_bmap_lookup_dirty_buffers()
344 bmap->b_ops->bop_lookup_dirty_buffers(bmap, listp); in nilfs_bmap_lookup_dirty_buffers()
366 int nilfs_bmap_assign(struct nilfs_bmap *bmap, in nilfs_bmap_assign() argument
373 down_write(&bmap->b_sem); in nilfs_bmap_assign()
374 ret = bmap->b_ops->bop_assign(bmap, bh, blocknr, binfo); in nilfs_bmap_assign()
375 up_write(&bmap->b_sem); in nilfs_bmap_assign()
377 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_assign()
394 int nilfs_bmap_mark(struct nilfs_bmap *bmap, __u64 key, int level) in nilfs_bmap_mark() argument
398 if (bmap->b_ops->bop_mark == NULL) in nilfs_bmap_mark()
401 down_write(&bmap->b_sem); in nilfs_bmap_mark()
402 ret = bmap->b_ops->bop_mark(bmap, key, level); in nilfs_bmap_mark()
403 up_write(&bmap->b_sem); in nilfs_bmap_mark()
405 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_mark()
417 int nilfs_bmap_test_and_clear_dirty(struct nilfs_bmap *bmap) in nilfs_bmap_test_and_clear_dirty() argument
421 down_write(&bmap->b_sem); in nilfs_bmap_test_and_clear_dirty()
422 ret = nilfs_bmap_dirty(bmap); in nilfs_bmap_test_and_clear_dirty()
423 nilfs_bmap_clear_dirty(bmap); in nilfs_bmap_test_and_clear_dirty()
424 up_write(&bmap->b_sem); in nilfs_bmap_test_and_clear_dirty()
432 __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *bmap, in nilfs_bmap_data_get_key() argument
437 return pos >> bmap->b_inode->i_blkbits; in nilfs_bmap_data_get_key()
440 __u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_find_target_seq() argument
444 diff = key - bmap->b_last_allocated_key; in nilfs_bmap_find_target_seq()
446 (bmap->b_last_allocated_ptr != NILFS_BMAP_INVALID_PTR) && in nilfs_bmap_find_target_seq()
447 (bmap->b_last_allocated_ptr + diff > 0)) in nilfs_bmap_find_target_seq()
448 return bmap->b_last_allocated_ptr + diff; in nilfs_bmap_find_target_seq()
454 __u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *bmap) in nilfs_bmap_find_target_in_group() argument
456 struct inode *dat = nilfs_bmap_get_dat(bmap); in nilfs_bmap_find_target_in_group()
458 unsigned long group = bmap->b_inode->i_ino / entries_per_group; in nilfs_bmap_find_target_in_group()
461 (bmap->b_inode->i_ino % NILFS_BMAP_GROUP_DIV) * in nilfs_bmap_find_target_in_group()
480 int nilfs_bmap_read(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) in nilfs_bmap_read() argument
483 memset(bmap->b_u.u_data, 0, NILFS_BMAP_SIZE); in nilfs_bmap_read()
485 memcpy(bmap->b_u.u_data, raw_inode->i_bmap, NILFS_BMAP_SIZE); in nilfs_bmap_read()
487 init_rwsem(&bmap->b_sem); in nilfs_bmap_read()
488 bmap->b_state = 0; in nilfs_bmap_read()
489 bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode; in nilfs_bmap_read()
490 switch (bmap->b_inode->i_ino) { in nilfs_bmap_read()
492 bmap->b_ptr_type = NILFS_BMAP_PTR_P; in nilfs_bmap_read()
493 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
494 bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT; in nilfs_bmap_read()
495 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_dat_lock_key); in nilfs_bmap_read()
499 bmap->b_ptr_type = NILFS_BMAP_PTR_VS; in nilfs_bmap_read()
500 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
501 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_read()
502 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); in nilfs_bmap_read()
505 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); in nilfs_bmap_read()
508 bmap->b_ptr_type = NILFS_BMAP_PTR_VM; in nilfs_bmap_read()
509 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
510 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_read()
514 return (bmap->b_u.u_flags & NILFS_BMAP_LARGE) ? in nilfs_bmap_read()
515 nilfs_btree_init(bmap) : nilfs_direct_init(bmap); in nilfs_bmap_read()
525 void nilfs_bmap_write(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) in nilfs_bmap_write() argument
527 memcpy(raw_inode->i_bmap, bmap->b_u.u_data, in nilfs_bmap_write()
529 if (bmap->b_inode->i_ino == NILFS_DAT_INO) in nilfs_bmap_write()
530 bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT; in nilfs_bmap_write()
533 void nilfs_bmap_init_gc(struct nilfs_bmap *bmap) in nilfs_bmap_init_gc() argument
535 memset(&bmap->b_u, 0, NILFS_BMAP_SIZE); in nilfs_bmap_init_gc()
536 init_rwsem(&bmap->b_sem); in nilfs_bmap_init_gc()
537 bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode; in nilfs_bmap_init_gc()
538 bmap->b_ptr_type = NILFS_BMAP_PTR_U; in nilfs_bmap_init_gc()
539 bmap->b_last_allocated_key = 0; in nilfs_bmap_init_gc()
540 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_init_gc()
541 bmap->b_state = 0; in nilfs_bmap_init_gc()
542 nilfs_btree_init_gc(bmap); in nilfs_bmap_init_gc()
545 void nilfs_bmap_save(const struct nilfs_bmap *bmap, in nilfs_bmap_save() argument
548 memcpy(store->data, bmap->b_u.u_data, sizeof(store->data)); in nilfs_bmap_save()
549 store->last_allocated_key = bmap->b_last_allocated_key; in nilfs_bmap_save()
550 store->last_allocated_ptr = bmap->b_last_allocated_ptr; in nilfs_bmap_save()
551 store->state = bmap->b_state; in nilfs_bmap_save()
554 void nilfs_bmap_restore(struct nilfs_bmap *bmap, in nilfs_bmap_restore() argument
557 memcpy(bmap->b_u.u_data, store->data, sizeof(store->data)); in nilfs_bmap_restore()
558 bmap->b_last_allocated_key = store->last_allocated_key; in nilfs_bmap_restore()
559 bmap->b_last_allocated_ptr = store->last_allocated_ptr; in nilfs_bmap_restore()
560 bmap->b_state = store->state; in nilfs_bmap_restore()