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()
71 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_lookup_at_level()
74 if (NILFS_BMAP_USE_VBN(bmap)) { in nilfs_bmap_lookup_at_level()
75 ret = nilfs_dat_translate(nilfs_bmap_get_dat(bmap), *ptrp, in nilfs_bmap_lookup_at_level()
82 up_read(&bmap->b_sem); in nilfs_bmap_lookup_at_level()
86 int nilfs_bmap_lookup_contig(struct nilfs_bmap *bmap, __u64 key, __u64 *ptrp, in nilfs_bmap_lookup_contig() argument
91 down_read(&bmap->b_sem); in nilfs_bmap_lookup_contig()
92 ret = bmap->b_ops->bop_lookup_contig(bmap, key, ptrp, maxblocks); in nilfs_bmap_lookup_contig()
93 up_read(&bmap->b_sem); in nilfs_bmap_lookup_contig()
95 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_lookup_contig()
98 static int nilfs_bmap_do_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr) in nilfs_bmap_do_insert() argument
104 if (bmap->b_ops->bop_check_insert != NULL) { in nilfs_bmap_do_insert()
105 ret = bmap->b_ops->bop_check_insert(bmap, key); in nilfs_bmap_do_insert()
107 n = bmap->b_ops->bop_gather_data( in nilfs_bmap_do_insert()
108 bmap, keys, ptrs, NILFS_BMAP_SMALL_HIGH + 1); in nilfs_bmap_do_insert()
112 bmap, key, ptr, keys, ptrs, n); in nilfs_bmap_do_insert()
114 bmap->b_u.u_flags |= NILFS_BMAP_LARGE; in nilfs_bmap_do_insert()
121 return bmap->b_ops->bop_insert(bmap, key, ptr); in nilfs_bmap_do_insert()
142 int nilfs_bmap_insert(struct nilfs_bmap *bmap, __u64 key, unsigned long rec) in nilfs_bmap_insert() argument
146 down_write(&bmap->b_sem); in nilfs_bmap_insert()
147 ret = nilfs_bmap_do_insert(bmap, key, rec); in nilfs_bmap_insert()
148 up_write(&bmap->b_sem); in nilfs_bmap_insert()
150 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_insert()
153 static int nilfs_bmap_do_delete(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_do_delete() argument
159 if (bmap->b_ops->bop_check_delete != NULL) { in nilfs_bmap_do_delete()
160 ret = bmap->b_ops->bop_check_delete(bmap, key); in nilfs_bmap_do_delete()
162 n = bmap->b_ops->bop_gather_data( in nilfs_bmap_do_delete()
163 bmap, keys, ptrs, NILFS_BMAP_LARGE_LOW + 1); in nilfs_bmap_do_delete()
167 bmap, key, keys, ptrs, n); in nilfs_bmap_do_delete()
169 bmap->b_u.u_flags &= ~NILFS_BMAP_LARGE; in nilfs_bmap_do_delete()
176 return bmap->b_ops->bop_delete(bmap, key); in nilfs_bmap_do_delete()
197 int nilfs_bmap_seek_key(struct nilfs_bmap *bmap, __u64 start, __u64 *keyp) in nilfs_bmap_seek_key() argument
201 down_read(&bmap->b_sem); in nilfs_bmap_seek_key()
202 ret = bmap->b_ops->bop_seek_key(bmap, start, keyp); in nilfs_bmap_seek_key()
203 up_read(&bmap->b_sem); in nilfs_bmap_seek_key()
206 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_seek_key()
210 int nilfs_bmap_last_key(struct nilfs_bmap *bmap, __u64 *keyp) in nilfs_bmap_last_key() argument
214 down_read(&bmap->b_sem); in nilfs_bmap_last_key()
215 ret = bmap->b_ops->bop_last_key(bmap, keyp); in nilfs_bmap_last_key()
216 up_read(&bmap->b_sem); in nilfs_bmap_last_key()
219 ret = nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_last_key()
240 int nilfs_bmap_delete(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_delete() argument
244 down_write(&bmap->b_sem); in nilfs_bmap_delete()
245 ret = nilfs_bmap_do_delete(bmap, key); in nilfs_bmap_delete()
246 up_write(&bmap->b_sem); in nilfs_bmap_delete()
248 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_delete()
251 static int nilfs_bmap_do_truncate(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_do_truncate() argument
256 ret = bmap->b_ops->bop_last_key(bmap, &lastkey); in nilfs_bmap_do_truncate()
264 ret = nilfs_bmap_do_delete(bmap, lastkey); in nilfs_bmap_do_truncate()
267 ret = bmap->b_ops->bop_last_key(bmap, &lastkey); in nilfs_bmap_do_truncate()
292 int nilfs_bmap_truncate(struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_truncate() argument
296 down_write(&bmap->b_sem); in nilfs_bmap_truncate()
297 ret = nilfs_bmap_do_truncate(bmap, key); in nilfs_bmap_truncate()
298 up_write(&bmap->b_sem); in nilfs_bmap_truncate()
300 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_truncate()
309 void nilfs_bmap_clear(struct nilfs_bmap *bmap) in nilfs_bmap_clear() argument
311 down_write(&bmap->b_sem); in nilfs_bmap_clear()
312 if (bmap->b_ops->bop_clear != NULL) in nilfs_bmap_clear()
313 bmap->b_ops->bop_clear(bmap); in nilfs_bmap_clear()
314 up_write(&bmap->b_sem); in nilfs_bmap_clear()
332 int nilfs_bmap_propagate(struct nilfs_bmap *bmap, struct buffer_head *bh) in nilfs_bmap_propagate() argument
336 down_write(&bmap->b_sem); in nilfs_bmap_propagate()
337 ret = bmap->b_ops->bop_propagate(bmap, bh); in nilfs_bmap_propagate()
338 up_write(&bmap->b_sem); in nilfs_bmap_propagate()
340 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_propagate()
348 void nilfs_bmap_lookup_dirty_buffers(struct nilfs_bmap *bmap, in nilfs_bmap_lookup_dirty_buffers() argument
351 if (bmap->b_ops->bop_lookup_dirty_buffers != NULL) in nilfs_bmap_lookup_dirty_buffers()
352 bmap->b_ops->bop_lookup_dirty_buffers(bmap, listp); in nilfs_bmap_lookup_dirty_buffers()
374 int nilfs_bmap_assign(struct nilfs_bmap *bmap, in nilfs_bmap_assign() argument
381 down_write(&bmap->b_sem); in nilfs_bmap_assign()
382 ret = bmap->b_ops->bop_assign(bmap, bh, blocknr, binfo); in nilfs_bmap_assign()
383 up_write(&bmap->b_sem); in nilfs_bmap_assign()
385 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_assign()
404 int nilfs_bmap_mark(struct nilfs_bmap *bmap, __u64 key, int level) in nilfs_bmap_mark() argument
408 if (bmap->b_ops->bop_mark == NULL) in nilfs_bmap_mark()
411 down_write(&bmap->b_sem); in nilfs_bmap_mark()
412 ret = bmap->b_ops->bop_mark(bmap, key, level); in nilfs_bmap_mark()
413 up_write(&bmap->b_sem); in nilfs_bmap_mark()
415 return nilfs_bmap_convert_error(bmap, __func__, ret); in nilfs_bmap_mark()
427 int nilfs_bmap_test_and_clear_dirty(struct nilfs_bmap *bmap) in nilfs_bmap_test_and_clear_dirty() argument
431 down_write(&bmap->b_sem); in nilfs_bmap_test_and_clear_dirty()
432 ret = nilfs_bmap_dirty(bmap); in nilfs_bmap_test_and_clear_dirty()
433 nilfs_bmap_clear_dirty(bmap); in nilfs_bmap_test_and_clear_dirty()
434 up_write(&bmap->b_sem); in nilfs_bmap_test_and_clear_dirty()
442 __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *bmap, in nilfs_bmap_data_get_key() argument
449 bmap->b_inode->i_blkbits); in nilfs_bmap_data_get_key()
456 __u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *bmap, __u64 key) in nilfs_bmap_find_target_seq() argument
460 diff = key - bmap->b_last_allocated_key; in nilfs_bmap_find_target_seq()
462 (bmap->b_last_allocated_ptr != NILFS_BMAP_INVALID_PTR) && in nilfs_bmap_find_target_seq()
463 (bmap->b_last_allocated_ptr + diff > 0)) in nilfs_bmap_find_target_seq()
464 return bmap->b_last_allocated_ptr + diff; in nilfs_bmap_find_target_seq()
470 __u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *bmap) in nilfs_bmap_find_target_in_group() argument
472 struct inode *dat = nilfs_bmap_get_dat(bmap); in nilfs_bmap_find_target_in_group()
474 unsigned long group = bmap->b_inode->i_ino / entries_per_group; in nilfs_bmap_find_target_in_group()
477 (bmap->b_inode->i_ino % NILFS_BMAP_GROUP_DIV) * in nilfs_bmap_find_target_in_group()
496 int nilfs_bmap_read(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) in nilfs_bmap_read() argument
499 memset(bmap->b_u.u_data, 0, NILFS_BMAP_SIZE); in nilfs_bmap_read()
501 memcpy(bmap->b_u.u_data, raw_inode->i_bmap, NILFS_BMAP_SIZE); in nilfs_bmap_read()
503 init_rwsem(&bmap->b_sem); in nilfs_bmap_read()
504 bmap->b_state = 0; in nilfs_bmap_read()
505 bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode; in nilfs_bmap_read()
506 switch (bmap->b_inode->i_ino) { in nilfs_bmap_read()
508 bmap->b_ptr_type = NILFS_BMAP_PTR_P; in nilfs_bmap_read()
509 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
510 bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT; in nilfs_bmap_read()
511 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_dat_lock_key); in nilfs_bmap_read()
515 bmap->b_ptr_type = NILFS_BMAP_PTR_VS; in nilfs_bmap_read()
516 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
517 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_read()
518 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); in nilfs_bmap_read()
521 lockdep_set_class(&bmap->b_sem, &nilfs_bmap_mdt_lock_key); in nilfs_bmap_read()
524 bmap->b_ptr_type = NILFS_BMAP_PTR_VM; in nilfs_bmap_read()
525 bmap->b_last_allocated_key = 0; in nilfs_bmap_read()
526 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_read()
530 return (bmap->b_u.u_flags & NILFS_BMAP_LARGE) ? in nilfs_bmap_read()
531 nilfs_btree_init(bmap) : nilfs_direct_init(bmap); in nilfs_bmap_read()
541 void nilfs_bmap_write(struct nilfs_bmap *bmap, struct nilfs_inode *raw_inode) in nilfs_bmap_write() argument
543 down_write(&bmap->b_sem); in nilfs_bmap_write()
544 memcpy(raw_inode->i_bmap, bmap->b_u.u_data, in nilfs_bmap_write()
546 if (bmap->b_inode->i_ino == NILFS_DAT_INO) in nilfs_bmap_write()
547 bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT; in nilfs_bmap_write()
549 up_write(&bmap->b_sem); in nilfs_bmap_write()
552 void nilfs_bmap_init_gc(struct nilfs_bmap *bmap) in nilfs_bmap_init_gc() argument
554 memset(&bmap->b_u, 0, NILFS_BMAP_SIZE); in nilfs_bmap_init_gc()
555 init_rwsem(&bmap->b_sem); in nilfs_bmap_init_gc()
556 bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode; in nilfs_bmap_init_gc()
557 bmap->b_ptr_type = NILFS_BMAP_PTR_U; in nilfs_bmap_init_gc()
558 bmap->b_last_allocated_key = 0; in nilfs_bmap_init_gc()
559 bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR; in nilfs_bmap_init_gc()
560 bmap->b_state = 0; in nilfs_bmap_init_gc()
561 nilfs_btree_init_gc(bmap); in nilfs_bmap_init_gc()
564 void nilfs_bmap_save(const struct nilfs_bmap *bmap, in nilfs_bmap_save() argument
567 memcpy(store->data, bmap->b_u.u_data, sizeof(store->data)); in nilfs_bmap_save()
568 store->last_allocated_key = bmap->b_last_allocated_key; in nilfs_bmap_save()
569 store->last_allocated_ptr = bmap->b_last_allocated_ptr; in nilfs_bmap_save()
570 store->state = bmap->b_state; in nilfs_bmap_save()
573 void nilfs_bmap_restore(struct nilfs_bmap *bmap, in nilfs_bmap_restore() argument
576 memcpy(bmap->b_u.u_data, store->data, sizeof(store->data)); in nilfs_bmap_restore()
577 bmap->b_last_allocated_key = store->last_allocated_key; in nilfs_bmap_restore()
578 bmap->b_last_allocated_ptr = store->last_allocated_ptr; in nilfs_bmap_restore()
579 bmap->b_state = store->state; in nilfs_bmap_restore()