Lines Matching refs:dent
86 typedef int (*gfs2_dscan_t)(const struct gfs2_dirent *dent,
397 static inline int gfs2_dirent_sentinel(const struct gfs2_dirent *dent) in gfs2_dirent_sentinel() argument
399 return dent->de_inum.no_addr == 0 || dent->de_inum.no_formal_ino == 0; in gfs2_dirent_sentinel()
402 static inline int __gfs2_dirent_find(const struct gfs2_dirent *dent, in __gfs2_dirent_find() argument
405 if (!gfs2_dirent_sentinel(dent) && in __gfs2_dirent_find()
406 be32_to_cpu(dent->de_hash) == name->hash && in __gfs2_dirent_find()
407 be16_to_cpu(dent->de_name_len) == name->len && in __gfs2_dirent_find()
408 memcmp(dent+1, name->name, name->len) == 0) in __gfs2_dirent_find()
413 static int gfs2_dirent_find(const struct gfs2_dirent *dent, in gfs2_dirent_find() argument
417 return __gfs2_dirent_find(dent, name, 1); in gfs2_dirent_find()
420 static int gfs2_dirent_prev(const struct gfs2_dirent *dent, in gfs2_dirent_prev() argument
424 return __gfs2_dirent_find(dent, name, 2); in gfs2_dirent_prev()
431 static int gfs2_dirent_last(const struct gfs2_dirent *dent, in gfs2_dirent_last() argument
436 const char *end = (const char *)dent + be16_to_cpu(dent->de_rec_len); in gfs2_dirent_last()
444 static int gfs2_dirent_find_offset(const struct gfs2_dirent *dent, in gfs2_dirent_find_offset() argument
449 unsigned actual = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_dirent_find_offset()
450 unsigned totlen = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_find_offset()
452 if (ptr < (void *)dent || ptr >= (void *)dent + totlen) in gfs2_dirent_find_offset()
454 if (gfs2_dirent_sentinel(dent)) in gfs2_dirent_find_offset()
456 if (ptr < (void *)dent + actual) in gfs2_dirent_find_offset()
458 if ((void *)dent + totlen >= ptr + required) in gfs2_dirent_find_offset()
463 static int gfs2_dirent_find_space(const struct gfs2_dirent *dent, in gfs2_dirent_find_space() argument
468 unsigned actual = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_dirent_find_space()
469 unsigned totlen = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_find_space()
471 if (gfs2_dirent_sentinel(dent)) in gfs2_dirent_find_space()
483 static int gfs2_dirent_gather(const struct gfs2_dirent *dent, in gfs2_dirent_gather() argument
488 if (!gfs2_dirent_sentinel(dent)) { in gfs2_dirent_gather()
489 g->pdent[g->offset++] = dent; in gfs2_dirent_gather()
504 struct gfs2_dirent *dent, unsigned int offset, in gfs2_check_dirent() argument
517 if (unlikely(!first && gfs2_dirent_sentinel(dent))) in gfs2_check_dirent()
520 if (!gfs2_dirent_sentinel(dent) && in gfs2_check_dirent()
521 unlikely(sizeof(struct gfs2_dirent)+be16_to_cpu(dent->de_name_len) > in gfs2_check_dirent()
560 struct gfs2_dirent *dent, *prev; in gfs2_dirent_scan() local
571 dent = buf + offset; in gfs2_dirent_scan()
572 size = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_scan()
573 if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1)) in gfs2_dirent_scan()
576 ret = scan(dent, name, opaque); in gfs2_dirent_scan()
582 prev = dent; in gfs2_dirent_scan()
583 dent = buf + offset; in gfs2_dirent_scan()
584 size = be16_to_cpu(dent->de_rec_len); in gfs2_dirent_scan()
585 if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, in gfs2_dirent_scan()
594 return dent; in gfs2_dirent_scan()
596 return prev ? prev : dent; in gfs2_dirent_scan()
635 struct gfs2_dirent **dent) in dirent_next() argument
637 struct gfs2_dirent *cur = *dent, *tmp; in dirent_next()
656 *dent = tmp; in dirent_next()
707 struct gfs2_dirent *dent, in do_init_dirent() argument
716 totlen = be16_to_cpu(dent->de_rec_len); in do_init_dirent()
719 ndent = (struct gfs2_dirent *)((char *)dent + offset); in do_init_dirent()
720 dent->de_rec_len = cpu_to_be16(offset); in do_init_dirent()
731 struct gfs2_dirent *dent, in gfs2_init_dirent() argument
737 if (!gfs2_dirent_sentinel(dent)) in gfs2_init_dirent()
738 offset = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); in gfs2_init_dirent()
739 return do_init_dirent(inode, dent, name, bh, offset); in gfs2_init_dirent()
747 struct gfs2_dirent *dent; in gfs2_dirent_split_alloc() local
748 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dirent_split_alloc()
750 if (IS_ERR_OR_NULL(dent)) in gfs2_dirent_split_alloc()
751 return dent; in gfs2_dirent_split_alloc()
752 return do_init_dirent(inode, dent, name, bh, in gfs2_dirent_split_alloc()
753 (unsigned)(ptr - (void *)dent)); in gfs2_dirent_split_alloc()
813 struct gfs2_dirent *dent; in gfs2_dirent_search() local
832 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dirent_search()
834 if (dent) in gfs2_dirent_search()
852 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, scan, name, NULL); in gfs2_dirent_search()
854 if (IS_ERR_OR_NULL(dent)) { in gfs2_dirent_search()
859 return dent; in gfs2_dirent_search()
870 struct gfs2_dirent *dent; in new_leaf() local
893 dent = (struct gfs2_dirent *)(leaf+1); in new_leaf()
894 gfs2_qstr2dirent(&empty_name, bh->b_size - sizeof(struct gfs2_leaf), dent); in new_leaf()
910 struct gfs2_dirent *dent; in dir_make_exhash() local
945 dent = gfs2_dirent_scan(&dip->i_inode, bh->b_data, bh->b_size, in dir_make_exhash()
947 if (!dent) { in dir_make_exhash()
952 if (IS_ERR(dent)) { in dir_make_exhash()
955 return PTR_ERR(dent); in dir_make_exhash()
961 dent->de_rec_len = cpu_to_be16(be16_to_cpu(dent->de_rec_len) + in dir_make_exhash()
1006 struct gfs2_dirent *dent = NULL, *prev = NULL, *next = NULL, *new; in dir_split_leaf() local
1081 dent = (struct gfs2_dirent *)(obh->b_data + sizeof(struct gfs2_leaf)); in dir_split_leaf()
1084 next = dent; in dir_split_leaf()
1088 if (!gfs2_dirent_sentinel(dent) && in dir_split_leaf()
1089 be32_to_cpu(dent->de_hash) < divider) { in dir_split_leaf()
1091 void *ptr = ((char *)dent - obh->b_data) + nbh->b_data; in dir_split_leaf()
1092 str.name = (char*)(dent+1); in dir_split_leaf()
1093 str.len = be16_to_cpu(dent->de_name_len); in dir_split_leaf()
1094 str.hash = be32_to_cpu(dent->de_hash); in dir_split_leaf()
1101 new->de_inum = dent->de_inum; /* No endian worries */ in dir_split_leaf()
1102 new->de_type = dent->de_type; /* No endian worries */ in dir_split_leaf()
1105 dirent_del(dip, obh, prev, dent); in dir_split_leaf()
1112 prev = dent; in dir_split_leaf()
1114 prev = dent; in dir_split_leaf()
1116 dent = next; in dir_split_leaf()
1117 } while (dent); in dir_split_leaf()
1269 const struct gfs2_dirent *dent, *dent_next; in do_filldir_main() local
1282 dent = dent_next; in do_filldir_main()
1305 if (!dir_emit(ctx, (const char *)(dent + 1), in do_filldir_main()
1306 be16_to_cpu(dent->de_name_len), in do_filldir_main()
1307 be64_to_cpu(dent->de_inum.no_addr), in do_filldir_main()
1308 be16_to_cpu(dent->de_type))) in do_filldir_main()
1378 struct gfs2_dirent **darr, *dent; in gfs2_dir_read_leaf() local
1429 dent = gfs2_dirent_scan(inode, bh->b_data, bh->b_size, in gfs2_dir_read_leaf()
1431 error = PTR_ERR(dent); in gfs2_dir_read_leaf()
1432 if (IS_ERR(dent)) in gfs2_dir_read_leaf()
1571 struct gfs2_dirent **darr, *dent; in gfs2_dir_read() local
1597 dent = gfs2_dirent_scan(inode, dibh->b_data, dibh->b_size, in gfs2_dir_read()
1599 if (IS_ERR(dent)) { in gfs2_dir_read()
1600 error = PTR_ERR(dent); in gfs2_dir_read()
1644 struct gfs2_dirent *dent; in gfs2_dir_search() local
1648 dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh); in gfs2_dir_search()
1649 if (dent) { in gfs2_dir_search()
1653 if (IS_ERR(dent)) in gfs2_dir_search()
1654 return ERR_CAST(dent); in gfs2_dir_search()
1655 dtype = be16_to_cpu(dent->de_type); in gfs2_dir_search()
1656 rahead = be16_to_cpu(dent->de_rahead); in gfs2_dir_search()
1657 addr = be64_to_cpu(dent->de_inum.no_addr); in gfs2_dir_search()
1658 formal_ino = be64_to_cpu(dent->de_inum.no_formal_ino); in gfs2_dir_search()
1675 struct gfs2_dirent *dent; in gfs2_dir_check() local
1678 dent = gfs2_dirent_search(dir, name, gfs2_dirent_find, &bh); in gfs2_dir_check()
1679 if (dent) { in gfs2_dir_check()
1680 if (IS_ERR(dent)) in gfs2_dir_check()
1681 return PTR_ERR(dent); in gfs2_dir_check()
1683 if (be64_to_cpu(dent->de_inum.no_addr) != ip->i_no_addr) in gfs2_dir_check()
1685 if (be64_to_cpu(dent->de_inum.no_formal_ino) != in gfs2_dir_check()
1689 be16_to_cpu(dent->de_type))) { in gfs2_dir_check()
1798 struct gfs2_dirent *dent = da->dent; in gfs2_dir_add() local
1805 dent = gfs2_dirent_search(inode, name, in gfs2_dir_add()
1808 if (dent) { in gfs2_dir_add()
1809 if (IS_ERR(dent)) in gfs2_dir_add()
1810 return PTR_ERR(dent); in gfs2_dir_add()
1811 dent = gfs2_init_dirent(inode, dent, name, bh); in gfs2_dir_add()
1812 gfs2_inum_out(nip, dent); in gfs2_dir_add()
1813 dent->de_type = cpu_to_be16(IF2DT(nip->i_inode.i_mode)); in gfs2_dir_add()
1814 dent->de_rahead = cpu_to_be16(gfs2_inode_ra_len(nip)); in gfs2_dir_add()
1822 da->dent = NULL; in gfs2_dir_add()
1875 struct gfs2_dirent *dent, *prev = NULL; in gfs2_dir_del() local
1881 dent = gfs2_dirent_search(&dip->i_inode, name, gfs2_dirent_prev, &bh); in gfs2_dir_del()
1882 if (!dent) { in gfs2_dir_del()
1886 if (IS_ERR(dent)) { in gfs2_dir_del()
1888 return PTR_ERR(dent); in gfs2_dir_del()
1891 if (gfs2_dirent_find(dent, name, NULL) == 0) { in gfs2_dir_del()
1892 prev = dent; in gfs2_dir_del()
1893 dent = (struct gfs2_dirent *)((char *)dent + be16_to_cpu(prev->de_rec_len)); in gfs2_dir_del()
1896 dirent_del(dip, bh, prev, dent); in gfs2_dir_del()
1936 struct gfs2_dirent *dent; in gfs2_dir_mvino() local
1938 dent = gfs2_dirent_search(&dip->i_inode, filename, gfs2_dirent_find, &bh); in gfs2_dir_mvino()
1939 if (!dent) { in gfs2_dir_mvino()
1943 if (IS_ERR(dent)) in gfs2_dir_mvino()
1944 return PTR_ERR(dent); in gfs2_dir_mvino()
1947 gfs2_inum_out(nip, dent); in gfs2_dir_mvino()
1948 dent->de_type = cpu_to_be16(new_type); in gfs2_dir_mvino()
2158 struct gfs2_dirent *dent; in gfs2_diradd_alloc_required() local
2163 da->dent = NULL; in gfs2_diradd_alloc_required()
2165 dent = gfs2_dirent_search(inode, name, gfs2_dirent_find_space, &bh); in gfs2_diradd_alloc_required()
2166 if (!dent) { in gfs2_diradd_alloc_required()
2173 if (IS_ERR(dent)) in gfs2_diradd_alloc_required()
2174 return PTR_ERR(dent); in gfs2_diradd_alloc_required()
2178 da->dent = dent; in gfs2_diradd_alloc_required()