Lines Matching refs:iomap
586 struct metapath *mp, struct iomap *iomap) in gfs2_hole_size() argument
601 iomap->length = hole_size << inode->i_blkbits; in gfs2_hole_size()
663 static int __gfs2_iomap_alloc(struct inode *inode, struct iomap *iomap, in __gfs2_iomap_alloc() argument
671 size_t dblks = iomap->length >> inode->i_blkbits; in __gfs2_iomap_alloc()
767 iomap->addr = bn << inode->i_blkbits; in __gfs2_iomap_alloc()
768 iomap->flags |= IOMAP_F_MERGED | IOMAP_F_NEW; in __gfs2_iomap_alloc()
773 } while (iomap->addr == IOMAP_NULL_ADDR); in __gfs2_iomap_alloc()
775 iomap->type = IOMAP_MAPPED; in __gfs2_iomap_alloc()
776 iomap->length = (u64)dblks << inode->i_blkbits; in __gfs2_iomap_alloc()
843 unsigned flags, struct iomap *iomap, in __gfs2_iomap_get() argument
874 iomap->length = max_size; in __gfs2_iomap_get()
881 iomap->offset = pos; in __gfs2_iomap_get()
882 iomap->length = length; in __gfs2_iomap_get()
886 iomap->length = size; in __gfs2_iomap_get()
888 iomap->addr = (ip->i_no_addr << inode->i_blkbits) + in __gfs2_iomap_get()
890 iomap->type = IOMAP_INLINE; in __gfs2_iomap_get()
891 iomap->inline_data = dibh->b_data + sizeof(struct gfs2_dinode); in __gfs2_iomap_get()
897 iomap->offset = lblock << inode->i_blkbits; in __gfs2_iomap_get()
900 iomap->length = len << inode->i_blkbits; in __gfs2_iomap_get()
923 iomap->addr = be64_to_cpu(*ptr) << inode->i_blkbits; in __gfs2_iomap_get()
924 iomap->length = len << inode->i_blkbits; in __gfs2_iomap_get()
925 iomap->type = IOMAP_MAPPED; in __gfs2_iomap_get()
926 iomap->flags |= IOMAP_F_MERGED; in __gfs2_iomap_get()
928 iomap->flags |= IOMAP_F_GFS2_BOUNDARY; in __gfs2_iomap_get()
931 iomap->bdev = inode->i_sb->s_bdev; in __gfs2_iomap_get()
941 ret = gfs2_hole_size(inode, lblock, len, mp, iomap); in __gfs2_iomap_get()
943 iomap->length = size - iomap->offset; in __gfs2_iomap_get()
952 if (alloc_size < iomap->length) in __gfs2_iomap_get()
953 iomap->length = alloc_size; in __gfs2_iomap_get()
956 ret = gfs2_hole_size(inode, lblock, len, mp, iomap); in __gfs2_iomap_get()
959 iomap->addr = IOMAP_NULL_ADDR; in __gfs2_iomap_get()
960 iomap->type = IOMAP_HOLE; in __gfs2_iomap_get()
998 struct iomap *iomap, in gfs2_iomap_begin_write() argument
1009 if (unstuff || iomap->type == IOMAP_HOLE) { in gfs2_iomap_begin_write()
1015 gfs2_write_calc_reserv(ip, iomap->length, &data_blocks, in gfs2_iomap_begin_write()
1036 iomap->length >> inode->i_blkbits); in gfs2_iomap_begin_write()
1045 ret = __gfs2_iomap_get(inode, iomap->offset, in gfs2_iomap_begin_write()
1046 iomap->length, flags, iomap, mp); in gfs2_iomap_begin_write()
1051 if (iomap->type == IOMAP_HOLE) { in gfs2_iomap_begin_write()
1052 ret = __gfs2_iomap_alloc(inode, iomap, mp); in gfs2_iomap_begin_write()
1056 punch_hole(ip, iomap->offset, iomap->length); in gfs2_iomap_begin_write()
1069 iomap->page_ops = &gfs2_iomap_page_ops; in gfs2_iomap_begin_write()
1082 unsigned flags, struct iomap *iomap, in gfs2_iomap_begin() argument
1083 struct iomap *srcmap) in gfs2_iomap_begin()
1090 iomap->flags |= IOMAP_F_BUFFER_HEAD; in gfs2_iomap_begin()
1093 ret = __gfs2_iomap_get(inode, pos, length, flags, iomap, &mp); in gfs2_iomap_begin()
1104 if (iomap->type != IOMAP_MAPPED) in gfs2_iomap_begin()
1110 if (iomap->type == IOMAP_HOLE) in gfs2_iomap_begin()
1117 ret = gfs2_iomap_begin_write(inode, pos, length, flags, iomap, &mp); in gfs2_iomap_begin()
1121 trace_gfs2_iomap_end(ip, iomap, ret); in gfs2_iomap_begin()
1126 ssize_t written, unsigned flags, struct iomap *iomap) in gfs2_iomap_end() argument
1137 if (iomap->type == IOMAP_HOLE) in gfs2_iomap_end()
1155 if (length != written && (iomap->flags & IOMAP_F_NEW)) { in gfs2_iomap_end()
1170 if (iomap->flags & IOMAP_F_SIZE_CHANGED) in gfs2_iomap_end()
1208 struct iomap iomap = { }; in gfs2_block_map() local
1217 ret = gfs2_iomap_get(inode, pos, length, &iomap); in gfs2_block_map()
1219 ret = gfs2_iomap_alloc(inode, pos, length, &iomap); in gfs2_block_map()
1223 if (iomap.length > bh_map->b_size) { in gfs2_block_map()
1224 iomap.length = bh_map->b_size; in gfs2_block_map()
1225 iomap.flags &= ~IOMAP_F_GFS2_BOUNDARY; in gfs2_block_map()
1227 if (iomap.addr != IOMAP_NULL_ADDR) in gfs2_block_map()
1228 map_bh(bh_map, inode->i_sb, iomap.addr >> inode->i_blkbits); in gfs2_block_map()
1229 bh_map->b_size = iomap.length; in gfs2_block_map()
1230 if (iomap.flags & IOMAP_F_GFS2_BOUNDARY) in gfs2_block_map()
1232 if (iomap.flags & IOMAP_F_NEW) in gfs2_block_map()
1244 struct iomap iomap = { }; in gfs2_get_extent() local
1249 &iomap); in gfs2_get_extent()
1252 if (iomap.type != IOMAP_MAPPED) in gfs2_get_extent()
1254 *dblock = iomap.addr >> blkbits; in gfs2_get_extent()
1255 len = iomap.length >> blkbits; in gfs2_get_extent()
1265 struct iomap iomap = { }; in gfs2_alloc_extent() local
1270 &iomap); in gfs2_alloc_extent()
1273 if (iomap.type != IOMAP_MAPPED) in gfs2_alloc_extent()
1275 *dblock = iomap.addr >> blkbits; in gfs2_alloc_extent()
1276 len = iomap.length >> blkbits; in gfs2_alloc_extent()
1279 *new = iomap.flags & IOMAP_F_NEW; in gfs2_alloc_extent()
1397 struct iomap *iomap) in gfs2_iomap_get() argument
1402 ret = __gfs2_iomap_get(inode, pos, length, 0, iomap, &mp); in gfs2_iomap_get()
1408 struct iomap *iomap) in gfs2_iomap_alloc() argument
1413 ret = __gfs2_iomap_get(inode, pos, length, IOMAP_WRITE, iomap, &mp); in gfs2_iomap_alloc()
1414 if (!ret && iomap->type == IOMAP_HOLE) in gfs2_iomap_alloc()
1415 ret = __gfs2_iomap_alloc(inode, iomap, &mp); in gfs2_iomap_alloc()
2473 if (offset >= wpc->iomap.offset && in gfs2_map_blocks()
2474 offset < wpc->iomap.offset + wpc->iomap.length) in gfs2_map_blocks()
2477 memset(&wpc->iomap, 0, sizeof(wpc->iomap)); in gfs2_map_blocks()
2478 ret = gfs2_iomap_get(inode, offset, INT_MAX, &wpc->iomap); in gfs2_map_blocks()