Lines Matching refs:dent
87 typedef int (*gfs2_dscan_t)(const struct gfs2_dirent *dent,
391 static inline int gfs2_dirent_sentinel(const struct gfs2_dirent *dent) in gfs2_dirent_sentinel() argument
393 return dent->de_inum.no_addr == 0 || dent->de_inum.no_formal_ino == 0; in gfs2_dirent_sentinel()
396 static inline int __gfs2_dirent_find(const struct gfs2_dirent *dent, in __gfs2_dirent_find() argument
399 if (!gfs2_dirent_sentinel(dent) && in __gfs2_dirent_find()
400 be32_to_cpu(dent->de_hash) == name->hash && in __gfs2_dirent_find()
401 be16_to_cpu(dent->de_name_len) == name->len && in __gfs2_dirent_find()
402 memcmp(dent+1, name->name, name->len) == 0) in __gfs2_dirent_find()
407 static int gfs2_dirent_find(const struct gfs2_dirent *dent, in gfs2_dirent_find() argument
411 return __gfs2_dirent_find(dent, name, 1); in gfs2_dirent_find()
414 static int gfs2_dirent_prev(const struct gfs2_dirent *dent, in gfs2_dirent_prev() argument
418 return __gfs2_dirent_find(dent, name, 2); in gfs2_dirent_prev()
425 static int gfs2_dirent_last(const struct gfs2_dirent *dent, in gfs2_dirent_last() argument
430 const char *end = (const char *)dent + be16_to_cpu(dent->de_rec_len); in gfs2_dirent_last()
436 static int gfs2_dirent_find_space(const struct gfs2_dirent *dent, in gfs2_dirent_find_space() argument
441 unsigned actual = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_dirent_find_space()
442 unsigned totlen = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_find_space()
444 if (gfs2_dirent_sentinel(dent)) in gfs2_dirent_find_space()
456 static int gfs2_dirent_gather(const struct gfs2_dirent *dent, in gfs2_dirent_gather() argument
461 if (!gfs2_dirent_sentinel(dent)) { in gfs2_dirent_gather()
462 g->pdent[g->offset++] = dent; in gfs2_dirent_gather()
476 static int gfs2_check_dirent(struct gfs2_dirent *dent, unsigned int offset, in gfs2_check_dirent() argument
489 if (unlikely(!first && gfs2_dirent_sentinel(dent))) in gfs2_check_dirent()
492 if (!gfs2_dirent_sentinel(dent) && in gfs2_check_dirent()
493 unlikely(sizeof(struct gfs2_dirent)+be16_to_cpu(dent->de_name_len) > in gfs2_check_dirent()
532 struct gfs2_dirent *dent, *prev; in gfs2_dirent_scan() local
543 dent = buf + offset; in gfs2_dirent_scan()
544 size = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_scan()
545 if (gfs2_check_dirent(dent, offset, size, len, 1)) in gfs2_dirent_scan()
548 ret = scan(dent, name, opaque); in gfs2_dirent_scan()
554 prev = dent; in gfs2_dirent_scan()
555 dent = buf + offset; in gfs2_dirent_scan()
556 size = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_scan()
557 if (gfs2_check_dirent(dent, offset, size, len, 0)) in gfs2_dirent_scan()
565 return dent; in gfs2_dirent_scan()
567 return prev ? prev : dent; in gfs2_dirent_scan()
606 struct gfs2_dirent **dent) in dirent_next() argument
608 struct gfs2_dirent *cur = *dent, *tmp; in dirent_next()
627 *dent = tmp; in dirent_next()
681 struct gfs2_dirent *dent, in gfs2_init_dirent() argument
689 if (!gfs2_dirent_sentinel(dent)) in gfs2_init_dirent()
690 offset = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_init_dirent()
691 totlen = be16_to_cpu(dent->de_rec_len); in gfs2_init_dirent()
694 ndent = (struct gfs2_dirent *)((char *)dent + offset); in gfs2_init_dirent()
695 dent->de_rec_len = cpu_to_be16(offset); in gfs2_init_dirent()
704 struct gfs2_dirent *dent; in gfs2_dirent_alloc() local
705 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dirent_alloc()
707 if (!dent || IS_ERR(dent)) in gfs2_dirent_alloc()
708 return dent; in gfs2_dirent_alloc()
709 return gfs2_init_dirent(inode, dent, name, bh); in gfs2_dirent_alloc()
766 struct gfs2_dirent *dent; in gfs2_dirent_search() local
785 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dirent_search()
787 if (dent) in gfs2_dirent_search()
805 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, scan, name, NULL); in gfs2_dirent_search()
807 if (unlikely(dent == NULL || IS_ERR(dent))) { in gfs2_dirent_search()
812 return dent; in gfs2_dirent_search()
823 struct gfs2_dirent *dent; in new_leaf() local
842 dent = (struct gfs2_dirent *)(leaf+1); in new_leaf()
843 gfs2_qstr2dirent(&name, bh->b_size - sizeof(struct gfs2_leaf), dent); in new_leaf()
859 struct gfs2_dirent *dent; in dir_make_exhash() local
894 dent = gfs2_dirent_scan(&dip->i_inode, bh->b_data, bh->b_size, in dir_make_exhash()
896 if (!dent) { in dir_make_exhash()
901 if (IS_ERR(dent)) { in dir_make_exhash()
904 return PTR_ERR(dent); in dir_make_exhash()
910 dent->de_rec_len = cpu_to_be16(be16_to_cpu(dent->de_rec_len) + in dir_make_exhash()
955 struct gfs2_dirent *dent = NULL, *prev = NULL, *next = NULL, *new; in dir_split_leaf() local
1029 dent = (struct gfs2_dirent *)(obh->b_data + sizeof(struct gfs2_leaf)); in dir_split_leaf()
1032 next = dent; in dir_split_leaf()
1036 if (!gfs2_dirent_sentinel(dent) && in dir_split_leaf()
1037 be32_to_cpu(dent->de_hash) < divider) { in dir_split_leaf()
1039 str.name = (char*)(dent+1); in dir_split_leaf()
1040 str.len = be16_to_cpu(dent->de_name_len); in dir_split_leaf()
1041 str.hash = be32_to_cpu(dent->de_hash); in dir_split_leaf()
1048 new->de_inum = dent->de_inum; /* No endian worries */ in dir_split_leaf()
1049 new->de_type = dent->de_type; /* No endian worries */ in dir_split_leaf()
1052 dirent_del(dip, obh, prev, dent); in dir_split_leaf()
1059 prev = dent; in dir_split_leaf()
1063 prev = dent; in dir_split_leaf()
1065 dent = next; in dir_split_leaf()
1066 } while (dent); in dir_split_leaf()
1217 const struct gfs2_dirent *dent, *dent_next; in do_filldir_main() local
1230 dent = dent_next; in do_filldir_main()
1254 error = filldir(opaque, (const char *)(dent + 1), in do_filldir_main()
1255 be16_to_cpu(dent->de_name_len), in do_filldir_main()
1256 off, be64_to_cpu(dent->de_inum.no_addr), in do_filldir_main()
1257 be16_to_cpu(dent->de_type)); in do_filldir_main()
1302 const struct gfs2_dirent **darr, *dent; in gfs2_dir_read_leaf() local
1348 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dir_read_leaf()
1350 error = PTR_ERR(dent); in gfs2_dir_read_leaf()
1351 if (IS_ERR(dent)) in gfs2_dir_read_leaf()
1483 const struct gfs2_dirent **darr, *dent; in gfs2_dir_read() local
1509 dent = gfs2_dirent_scan(inode, dibh->b_data, dibh->b_size, in gfs2_dir_read()
1511 if (IS_ERR(dent)) { in gfs2_dir_read()
1512 error = PTR_ERR(dent); in gfs2_dir_read()
1553 struct gfs2_dirent *dent; in gfs2_dir_search() local
1556 dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh); in gfs2_dir_search()
1557 if (dent) { in gfs2_dir_search()
1558 if (IS_ERR(dent)) in gfs2_dir_search()
1559 return ERR_CAST(dent); in gfs2_dir_search()
1561 be16_to_cpu(dent->de_type), in gfs2_dir_search()
1562 be64_to_cpu(dent->de_inum.no_addr), in gfs2_dir_search()
1563 be64_to_cpu(dent->de_inum.no_formal_ino), 0); in gfs2_dir_search()
1574 struct gfs2_dirent *dent; in gfs2_dir_check() local
1577 dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh); in gfs2_dir_check()
1578 if (dent) { in gfs2_dir_check()
1579 if (IS_ERR(dent)) in gfs2_dir_check()
1580 return PTR_ERR(dent); in gfs2_dir_check()
1582 if (be64_to_cpu(dent->de_inum.no_addr) != ip->i_no_addr) in gfs2_dir_check()
1584 if (be64_to_cpu(dent->de_inum.no_formal_ino) != in gfs2_dir_check()
1588 be16_to_cpu(dent->de_type))) { in gfs2_dir_check()
1661 struct gfs2_dirent *dent; in gfs2_dir_add() local
1666 dent = gfs2_dirent_search(inode, name, gfs2_dirent_find_space, in gfs2_dir_add()
1668 if (dent) { in gfs2_dir_add()
1669 if (IS_ERR(dent)) in gfs2_dir_add()
1670 return PTR_ERR(dent); in gfs2_dir_add()
1671 dent = gfs2_init_dirent(inode, dent, name, bh); in gfs2_dir_add()
1672 gfs2_inum_out(nip, dent); in gfs2_dir_add()
1673 dent->de_type = cpu_to_be16(IF2DT(nip->i_inode.i_mode)); in gfs2_dir_add()
1734 struct gfs2_dirent *dent, *prev = NULL; in gfs2_dir_del() local
1739 dent = gfs2_dirent_search(&dip->i_inode, name, gfs2_dirent_prev, &bh); in gfs2_dir_del()
1740 if (!dent) { in gfs2_dir_del()
1744 if (IS_ERR(dent)) { in gfs2_dir_del()
1746 return PTR_ERR(dent); in gfs2_dir_del()
1749 if (gfs2_dirent_find(dent, name, NULL) == 0) { in gfs2_dir_del()
1750 prev = dent; in gfs2_dir_del()
1751 dent = (struct gfs2_dirent *)((char *)dent + be16_to_cpu(prev->de_rec_len)); in gfs2_dir_del()
1754 dirent_del(dip, bh, prev, dent); in gfs2_dir_del()
1792 struct gfs2_dirent *dent; in gfs2_dir_mvino() local
1795 dent = gfs2_dirent_search(&dip->i_inode, filename, gfs2_dirent_find, &bh); in gfs2_dir_mvino()
1796 if (!dent) { in gfs2_dir_mvino()
1800 if (IS_ERR(dent)) in gfs2_dir_mvino()
1801 return PTR_ERR(dent); in gfs2_dir_mvino()
1804 gfs2_inum_out(nip, dent); in gfs2_dir_mvino()
1805 dent->de_type = cpu_to_be16(new_type); in gfs2_dir_mvino()
2019 struct gfs2_dirent *dent; in gfs2_diradd_alloc_required() local
2022 dent = gfs2_dirent_search(inode, name, gfs2_dirent_find_space, &bh); in gfs2_diradd_alloc_required()
2023 if (!dent) { in gfs2_diradd_alloc_required()
2026 if (IS_ERR(dent)) in gfs2_diradd_alloc_required()
2027 return PTR_ERR(dent); in gfs2_diradd_alloc_required()