Lines Matching refs:dent
86 typedef int (*gfs2_dscan_t)(const struct gfs2_dirent *dent,
396 static inline int gfs2_dirent_sentinel(const struct gfs2_dirent *dent) in gfs2_dirent_sentinel() argument
398 return dent->de_inum.no_addr == 0 || dent->de_inum.no_formal_ino == 0; in gfs2_dirent_sentinel()
401 static inline int __gfs2_dirent_find(const struct gfs2_dirent *dent, in __gfs2_dirent_find() argument
404 if (!gfs2_dirent_sentinel(dent) && in __gfs2_dirent_find()
405 be32_to_cpu(dent->de_hash) == name->hash && in __gfs2_dirent_find()
406 be16_to_cpu(dent->de_name_len) == name->len && in __gfs2_dirent_find()
407 memcmp(dent+1, name->name, name->len) == 0) in __gfs2_dirent_find()
412 static int gfs2_dirent_find(const struct gfs2_dirent *dent, in gfs2_dirent_find() argument
416 return __gfs2_dirent_find(dent, name, 1); in gfs2_dirent_find()
419 static int gfs2_dirent_prev(const struct gfs2_dirent *dent, in gfs2_dirent_prev() argument
423 return __gfs2_dirent_find(dent, name, 2); in gfs2_dirent_prev()
430 static int gfs2_dirent_last(const struct gfs2_dirent *dent, in gfs2_dirent_last() argument
435 const char *end = (const char *)dent + be16_to_cpu(dent->de_rec_len); in gfs2_dirent_last()
443 static int gfs2_dirent_find_offset(const struct gfs2_dirent *dent, in gfs2_dirent_find_offset() argument
448 unsigned actual = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_dirent_find_offset()
449 unsigned totlen = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_find_offset()
451 if (ptr < (void *)dent || ptr >= (void *)dent + totlen) in gfs2_dirent_find_offset()
453 if (gfs2_dirent_sentinel(dent)) in gfs2_dirent_find_offset()
455 if (ptr < (void *)dent + actual) in gfs2_dirent_find_offset()
457 if ((void *)dent + totlen >= ptr + required) in gfs2_dirent_find_offset()
462 static int gfs2_dirent_find_space(const struct gfs2_dirent *dent, in gfs2_dirent_find_space() argument
467 unsigned actual = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_dirent_find_space()
468 unsigned totlen = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_find_space()
470 if (gfs2_dirent_sentinel(dent)) in gfs2_dirent_find_space()
482 static int gfs2_dirent_gather(const struct gfs2_dirent *dent, in gfs2_dirent_gather() argument
487 if (!gfs2_dirent_sentinel(dent)) { in gfs2_dirent_gather()
488 g->pdent[g->offset++] = dent; in gfs2_dirent_gather()
503 struct gfs2_dirent *dent, unsigned int offset, in gfs2_check_dirent() argument
516 if (unlikely(!first && gfs2_dirent_sentinel(dent))) in gfs2_check_dirent()
519 if (!gfs2_dirent_sentinel(dent) && in gfs2_check_dirent()
520 unlikely(sizeof(struct gfs2_dirent)+be16_to_cpu(dent->de_name_len) > in gfs2_check_dirent()
559 struct gfs2_dirent *dent, *prev; in gfs2_dirent_scan() local
570 dent = buf + offset; in gfs2_dirent_scan()
571 size = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_scan()
572 if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1)) in gfs2_dirent_scan()
575 ret = scan(dent, name, opaque); in gfs2_dirent_scan()
581 prev = dent; in gfs2_dirent_scan()
582 dent = buf + offset; in gfs2_dirent_scan()
583 size = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_scan()
584 if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, in gfs2_dirent_scan()
593 return dent; in gfs2_dirent_scan()
595 return prev ? prev : dent; in gfs2_dirent_scan()
634 struct gfs2_dirent **dent) in dirent_next() argument
636 struct gfs2_dirent *cur = *dent, *tmp; in dirent_next()
655 *dent = tmp; in dirent_next()
706 struct gfs2_dirent *dent, in do_init_dirent() argument
715 totlen = be16_to_cpu(dent->de_rec_len); in do_init_dirent()
718 ndent = (struct gfs2_dirent *)((char *)dent + offset); in do_init_dirent()
719 dent->de_rec_len = cpu_to_be16(offset); in do_init_dirent()
730 struct gfs2_dirent *dent, in gfs2_init_dirent() argument
736 if (!gfs2_dirent_sentinel(dent)) in gfs2_init_dirent()
737 offset = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_init_dirent()
738 return do_init_dirent(inode, dent, name, bh, offset); in gfs2_init_dirent()
746 struct gfs2_dirent *dent; in gfs2_dirent_split_alloc() local
747 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dirent_split_alloc()
749 if (IS_ERR_OR_NULL(dent)) in gfs2_dirent_split_alloc()
750 return dent; in gfs2_dirent_split_alloc()
751 return do_init_dirent(inode, dent, name, bh, in gfs2_dirent_split_alloc()
752 (unsigned)(ptr - (void *)dent)); in gfs2_dirent_split_alloc()
811 struct gfs2_dirent *dent; in gfs2_dirent_search() local
830 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dirent_search()
832 if (dent) in gfs2_dirent_search()
850 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, scan, name, NULL); in gfs2_dirent_search()
852 if (IS_ERR_OR_NULL(dent)) { in gfs2_dirent_search()
857 return dent; in gfs2_dirent_search()
868 struct gfs2_dirent *dent; in new_leaf() local
891 dent = (struct gfs2_dirent *)(leaf+1); in new_leaf()
892 gfs2_qstr2dirent(&empty_name, bh->b_size - sizeof(struct gfs2_leaf), dent); in new_leaf()
908 struct gfs2_dirent *dent; in dir_make_exhash() local
943 dent = gfs2_dirent_scan(&dip->i_inode, bh->b_data, bh->b_size, in dir_make_exhash()
945 if (!dent) { in dir_make_exhash()
950 if (IS_ERR(dent)) { in dir_make_exhash()
953 return PTR_ERR(dent); in dir_make_exhash()
959 dent->de_rec_len = cpu_to_be16(be16_to_cpu(dent->de_rec_len) + in dir_make_exhash()
1003 struct gfs2_dirent *dent = NULL, *prev = NULL, *next = NULL, *new; in dir_split_leaf() local
1078 dent = (struct gfs2_dirent *)(obh->b_data + sizeof(struct gfs2_leaf)); in dir_split_leaf()
1081 next = dent; in dir_split_leaf()
1085 if (!gfs2_dirent_sentinel(dent) && in dir_split_leaf()
1086 be32_to_cpu(dent->de_hash) < divider) { in dir_split_leaf()
1088 void *ptr = ((char *)dent - obh->b_data) + nbh->b_data; in dir_split_leaf()
1089 str.name = (char*)(dent+1); in dir_split_leaf()
1090 str.len = be16_to_cpu(dent->de_name_len); in dir_split_leaf()
1091 str.hash = be32_to_cpu(dent->de_hash); in dir_split_leaf()
1098 new->de_inum = dent->de_inum; /* No endian worries */ in dir_split_leaf()
1099 new->de_type = dent->de_type; /* No endian worries */ in dir_split_leaf()
1102 dirent_del(dip, obh, prev, dent); in dir_split_leaf()
1109 prev = dent; in dir_split_leaf()
1111 prev = dent; in dir_split_leaf()
1113 dent = next; in dir_split_leaf()
1114 } while (dent); in dir_split_leaf()
1267 const struct gfs2_dirent *dent, *dent_next; in do_filldir_main() local
1280 dent = dent_next; in do_filldir_main()
1303 if (!dir_emit(ctx, (const char *)(dent + 1), in do_filldir_main()
1304 be16_to_cpu(dent->de_name_len), in do_filldir_main()
1305 be64_to_cpu(dent->de_inum.no_addr), in do_filldir_main()
1306 be16_to_cpu(dent->de_type))) in do_filldir_main()
1376 struct gfs2_dirent **darr, *dent; in gfs2_dir_read_leaf() local
1427 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dir_read_leaf()
1429 error = PTR_ERR(dent); in gfs2_dir_read_leaf()
1430 if (IS_ERR(dent)) in gfs2_dir_read_leaf()
1573 struct gfs2_dirent **darr, *dent; in gfs2_dir_read() local
1599 dent = gfs2_dirent_scan(inode, dibh->b_data, dibh->b_size, in gfs2_dir_read()
1601 if (IS_ERR(dent)) { in gfs2_dir_read()
1602 error = PTR_ERR(dent); in gfs2_dir_read()
1646 struct gfs2_dirent *dent; in gfs2_dir_search() local
1650 dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh); in gfs2_dir_search()
1651 if (dent) { in gfs2_dir_search()
1655 if (IS_ERR(dent)) in gfs2_dir_search()
1656 return ERR_CAST(dent); in gfs2_dir_search()
1657 dtype = be16_to_cpu(dent->de_type); in gfs2_dir_search()
1658 rahead = be16_to_cpu(dent->de_rahead); in gfs2_dir_search()
1659 addr = be64_to_cpu(dent->de_inum.no_addr); in gfs2_dir_search()
1660 formal_ino = be64_to_cpu(dent->de_inum.no_formal_ino); in gfs2_dir_search()
1677 struct gfs2_dirent *dent; in gfs2_dir_check() local
1680 dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh); in gfs2_dir_check()
1681 if (dent) { in gfs2_dir_check()
1682 if (IS_ERR(dent)) in gfs2_dir_check()
1683 return PTR_ERR(dent); in gfs2_dir_check()
1685 if (be64_to_cpu(dent->de_inum.no_addr) != ip->i_no_addr) in gfs2_dir_check()
1687 if (be64_to_cpu(dent->de_inum.no_formal_ino) != in gfs2_dir_check()
1691 be16_to_cpu(dent->de_type))) { in gfs2_dir_check()
1800 struct gfs2_dirent *dent = da->dent; in gfs2_dir_add() local
1807 dent = gfs2_dirent_search(inode, name, in gfs2_dir_add()
1810 if (dent) { in gfs2_dir_add()
1811 if (IS_ERR(dent)) in gfs2_dir_add()
1812 return PTR_ERR(dent); in gfs2_dir_add()
1813 dent = gfs2_init_dirent(inode, dent, name, bh); in gfs2_dir_add()
1814 gfs2_inum_out(nip, dent); in gfs2_dir_add()
1815 dent->de_type = cpu_to_be16(IF2DT(nip->i_inode.i_mode)); in gfs2_dir_add()
1816 dent->de_rahead = cpu_to_be16(gfs2_inode_ra_len(nip)); in gfs2_dir_add()
1824 da->dent = NULL; in gfs2_dir_add()
1877 struct gfs2_dirent *dent, *prev = NULL; in gfs2_dir_del() local
1883 dent = gfs2_dirent_search(&dip->i_inode, name, gfs2_dirent_prev, &bh); in gfs2_dir_del()
1884 if (!dent) { in gfs2_dir_del()
1888 if (IS_ERR(dent)) { in gfs2_dir_del()
1890 return PTR_ERR(dent); in gfs2_dir_del()
1893 if (gfs2_dirent_find(dent, name, NULL) == 0) { in gfs2_dir_del()
1894 prev = dent; in gfs2_dir_del()
1895 dent = (struct gfs2_dirent *)((char *)dent + be16_to_cpu(prev->de_rec_len)); in gfs2_dir_del()
1898 dirent_del(dip, bh, prev, dent); in gfs2_dir_del()
1939 struct gfs2_dirent *dent; in gfs2_dir_mvino() local
1941 dent = gfs2_dirent_search(&dip->i_inode, filename, gfs2_dirent_find, &bh); in gfs2_dir_mvino()
1942 if (!dent) { in gfs2_dir_mvino()
1946 if (IS_ERR(dent)) in gfs2_dir_mvino()
1947 return PTR_ERR(dent); in gfs2_dir_mvino()
1950 gfs2_inum_out(nip, dent); in gfs2_dir_mvino()
1951 dent->de_type = cpu_to_be16(new_type); in gfs2_dir_mvino()
2161 struct gfs2_dirent *dent; in gfs2_diradd_alloc_required() local
2166 da->dent = NULL; in gfs2_diradd_alloc_required()
2168 dent = gfs2_dirent_search(inode, name, gfs2_dirent_find_space, &bh); in gfs2_diradd_alloc_required()
2169 if (!dent) { in gfs2_diradd_alloc_required()
2176 if (IS_ERR(dent)) in gfs2_diradd_alloc_required()
2177 return PTR_ERR(dent); in gfs2_diradd_alloc_required()
2181 da->dent = dent; in gfs2_diradd_alloc_required()