Lines Matching refs:inode
39 static int __ext2_write_inode(struct inode *inode, int do_sync);
44 static inline int ext2_inode_is_fast_symlink(struct inode *inode) in ext2_inode_is_fast_symlink() argument
46 int ea_blocks = EXT2_I(inode)->i_file_acl ? in ext2_inode_is_fast_symlink()
47 (inode->i_sb->s_blocksize >> 9) : 0; in ext2_inode_is_fast_symlink()
49 return (S_ISLNK(inode->i_mode) && in ext2_inode_is_fast_symlink()
50 inode->i_blocks - ea_blocks == 0); in ext2_inode_is_fast_symlink()
53 static void ext2_truncate_blocks(struct inode *inode, loff_t offset);
57 struct inode *inode = mapping->host; in ext2_write_failed() local
59 if (to > inode->i_size) { in ext2_write_failed()
60 truncate_pagecache(inode, inode->i_size); in ext2_write_failed()
61 ext2_truncate_blocks(inode, inode->i_size); in ext2_write_failed()
68 void ext2_evict_inode(struct inode * inode) in ext2_evict_inode() argument
73 if (!inode->i_nlink && !is_bad_inode(inode)) { in ext2_evict_inode()
75 dquot_initialize(inode); in ext2_evict_inode()
77 dquot_drop(inode); in ext2_evict_inode()
80 truncate_inode_pages_final(&inode->i_data); in ext2_evict_inode()
83 sb_start_intwrite(inode->i_sb); in ext2_evict_inode()
85 EXT2_I(inode)->i_dtime = get_seconds(); in ext2_evict_inode()
86 mark_inode_dirty(inode); in ext2_evict_inode()
87 __ext2_write_inode(inode, inode_needs_sync(inode)); in ext2_evict_inode()
89 inode->i_size = 0; in ext2_evict_inode()
90 if (inode->i_blocks) in ext2_evict_inode()
91 ext2_truncate_blocks(inode, 0); in ext2_evict_inode()
92 ext2_xattr_delete_inode(inode); in ext2_evict_inode()
95 invalidate_inode_buffers(inode); in ext2_evict_inode()
96 clear_inode(inode); in ext2_evict_inode()
98 ext2_discard_reservation(inode); in ext2_evict_inode()
99 rsv = EXT2_I(inode)->i_block_alloc_info; in ext2_evict_inode()
100 EXT2_I(inode)->i_block_alloc_info = NULL; in ext2_evict_inode()
105 ext2_free_inode(inode); in ext2_evict_inode()
106 sb_end_intwrite(inode->i_sb); in ext2_evict_inode()
159 static int ext2_block_to_path(struct inode *inode, in ext2_block_to_path() argument
162 int ptrs = EXT2_ADDR_PER_BLOCK(inode->i_sb); in ext2_block_to_path()
163 int ptrs_bits = EXT2_ADDR_PER_BLOCK_BITS(inode->i_sb); in ext2_block_to_path()
171 ext2_msg(inode->i_sb, KERN_WARNING, in ext2_block_to_path()
192 ext2_msg(inode->i_sb, KERN_WARNING, in ext2_block_to_path()
230 static Indirect *ext2_get_branch(struct inode *inode, in ext2_get_branch() argument
236 struct super_block *sb = inode->i_sb; in ext2_get_branch()
242 add_chain (chain, NULL, EXT2_I(inode)->i_data + *offsets); in ext2_get_branch()
249 read_lock(&EXT2_I(inode)->i_meta_lock); in ext2_get_branch()
253 read_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_get_branch()
260 read_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_get_branch()
290 static ext2_fsblk_t ext2_find_near(struct inode *inode, Indirect *ind) in ext2_find_near() argument
292 struct ext2_inode_info *ei = EXT2_I(inode); in ext2_find_near()
311 bg_start = ext2_group_first_block_no(inode->i_sb, ei->i_block_group); in ext2_find_near()
313 (EXT2_BLOCKS_PER_GROUP(inode->i_sb) / 16); in ext2_find_near()
326 static inline ext2_fsblk_t ext2_find_goal(struct inode *inode, long block, in ext2_find_goal() argument
331 block_i = EXT2_I(inode)->i_block_alloc_info; in ext2_find_goal()
342 return ext2_find_near(inode, partial); in ext2_find_goal()
394 static int ext2_alloc_blocks(struct inode *inode, in ext2_alloc_blocks() argument
417 current_block = ext2_new_blocks(inode,goal,&count,err); in ext2_alloc_blocks()
441 ext2_free_blocks(inode, new_blocks[i], 1); in ext2_alloc_blocks()
443 mark_inode_dirty(inode); in ext2_alloc_blocks()
472 static int ext2_alloc_branch(struct inode *inode, in ext2_alloc_branch() argument
476 int blocksize = inode->i_sb->s_blocksize; in ext2_alloc_branch()
484 num = ext2_alloc_blocks(inode, goal, indirect_blks, in ext2_alloc_branch()
499 bh = sb_getblk(inode->i_sb, new_blocks[n-1]); in ext2_alloc_branch()
522 mark_buffer_dirty_inode(bh, inode); in ext2_alloc_branch()
527 if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) in ext2_alloc_branch()
537 ext2_free_blocks(inode, new_blocks[i], 1); in ext2_alloc_branch()
538 ext2_free_blocks(inode, new_blocks[i], num); in ext2_alloc_branch()
554 static void ext2_splice_branch(struct inode *inode, in ext2_splice_branch() argument
561 block_i = EXT2_I(inode)->i_block_alloc_info; in ext2_splice_branch()
593 mark_buffer_dirty_inode(where->bh, inode); in ext2_splice_branch()
595 inode->i_ctime = CURRENT_TIME_SEC; in ext2_splice_branch()
596 mark_inode_dirty(inode); in ext2_splice_branch()
617 static int ext2_get_blocks(struct inode *inode, in ext2_get_blocks() argument
630 struct ext2_inode_info *ei = EXT2_I(inode); in ext2_get_blocks()
636 depth = ext2_block_to_path(inode,iblock,offsets,&blocks_to_boundary); in ext2_get_blocks()
641 partial = ext2_get_branch(inode, depth, offsets, chain, &err); in ext2_get_blocks()
694 partial = ext2_get_branch(inode, depth, offsets, chain, &err); in ext2_get_blocks()
709 if (S_ISREG(inode->i_mode) && (!ei->i_block_alloc_info)) in ext2_get_blocks()
710 ext2_init_block_alloc_info(inode); in ext2_get_blocks()
712 goal = ext2_find_goal(inode, iblock, partial); in ext2_get_blocks()
725 err = ext2_alloc_branch(inode, indirect_blks, &count, goal, in ext2_get_blocks()
733 if (IS_DAX(inode)) { in ext2_get_blocks()
739 err = dax_clear_blocks(inode, le32_to_cpu(chain[depth-1].key), in ext2_get_blocks()
740 1 << inode->i_blkbits); in ext2_get_blocks()
747 ext2_splice_branch(inode, iblock, partial, indirect_blks, count); in ext2_get_blocks()
751 map_bh(bh_result, inode->i_sb, le32_to_cpu(chain[depth-1].key)); in ext2_get_blocks()
765 int ext2_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) in ext2_get_block() argument
767 unsigned max_blocks = bh_result->b_size >> inode->i_blkbits; in ext2_get_block()
768 int ret = ext2_get_blocks(inode, iblock, max_blocks, in ext2_get_block()
771 bh_result->b_size = (ret << inode->i_blkbits); in ext2_get_block()
778 int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, in ext2_fiemap() argument
781 return generic_block_fiemap(inode, fieinfo, start, len, in ext2_fiemap()
858 struct inode *inode = mapping->host; in ext2_direct_IO() local
862 if (IS_DAX(inode)) in ext2_direct_IO()
863 ret = dax_do_io(iocb, inode, iter, offset, ext2_get_block, NULL, in ext2_direct_IO()
866 ret = blockdev_direct_IO(iocb, inode, iter, offset, in ext2_direct_IO()
953 static Indirect *ext2_find_shared(struct inode *inode, in ext2_find_shared() argument
965 partial = ext2_get_branch(inode, k, offsets, chain, &err); in ext2_find_shared()
972 write_lock(&EXT2_I(inode)->i_meta_lock); in ext2_find_shared()
974 write_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_find_shared()
991 write_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_find_shared()
1012 static inline void ext2_free_data(struct inode *inode, __le32 *p, __le32 *q) in ext2_free_data() argument
1027 ext2_free_blocks (inode, block_to_free, count); in ext2_free_data()
1028 mark_inode_dirty(inode); in ext2_free_data()
1036 ext2_free_blocks (inode, block_to_free, count); in ext2_free_data()
1037 mark_inode_dirty(inode); in ext2_free_data()
1052 static void ext2_free_branches(struct inode *inode, __le32 *p, __le32 *q, int depth) in ext2_free_branches() argument
1058 int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb); in ext2_free_branches()
1064 bh = sb_bread(inode->i_sb, nr); in ext2_free_branches()
1070 ext2_error(inode->i_sb, "ext2_free_branches", in ext2_free_branches()
1072 inode->i_ino, nr); in ext2_free_branches()
1075 ext2_free_branches(inode, in ext2_free_branches()
1080 ext2_free_blocks(inode, nr, 1); in ext2_free_branches()
1081 mark_inode_dirty(inode); in ext2_free_branches()
1084 ext2_free_data(inode, p, q); in ext2_free_branches()
1087 static void __ext2_truncate_blocks(struct inode *inode, loff_t offset) in __ext2_truncate_blocks() argument
1089 __le32 *i_data = EXT2_I(inode)->i_data; in __ext2_truncate_blocks()
1090 struct ext2_inode_info *ei = EXT2_I(inode); in __ext2_truncate_blocks()
1091 int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb); in __ext2_truncate_blocks()
1099 blocksize = inode->i_sb->s_blocksize; in __ext2_truncate_blocks()
1100 iblock = (offset + blocksize-1) >> EXT2_BLOCK_SIZE_BITS(inode->i_sb); in __ext2_truncate_blocks()
1102 n = ext2_block_to_path(inode, iblock, offsets, NULL); in __ext2_truncate_blocks()
1113 ext2_free_data(inode, i_data+offsets[0], in __ext2_truncate_blocks()
1118 partial = ext2_find_shared(inode, n, offsets, chain, &nr); in __ext2_truncate_blocks()
1122 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1124 mark_buffer_dirty_inode(partial->bh, inode); in __ext2_truncate_blocks()
1125 ext2_free_branches(inode, &nr, &nr+1, (chain+n-1) - partial); in __ext2_truncate_blocks()
1129 ext2_free_branches(inode, in __ext2_truncate_blocks()
1133 mark_buffer_dirty_inode(partial->bh, inode); in __ext2_truncate_blocks()
1144 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1145 ext2_free_branches(inode, &nr, &nr+1, 1); in __ext2_truncate_blocks()
1151 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1152 ext2_free_branches(inode, &nr, &nr+1, 2); in __ext2_truncate_blocks()
1158 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1159 ext2_free_branches(inode, &nr, &nr+1, 3); in __ext2_truncate_blocks()
1165 ext2_discard_reservation(inode); in __ext2_truncate_blocks()
1170 static void ext2_truncate_blocks(struct inode *inode, loff_t offset) in ext2_truncate_blocks() argument
1180 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || in ext2_truncate_blocks()
1181 S_ISLNK(inode->i_mode))) in ext2_truncate_blocks()
1183 if (ext2_inode_is_fast_symlink(inode)) in ext2_truncate_blocks()
1185 if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) in ext2_truncate_blocks()
1187 __ext2_truncate_blocks(inode, offset); in ext2_truncate_blocks()
1190 static int ext2_setsize(struct inode *inode, loff_t newsize) in ext2_setsize() argument
1194 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || in ext2_setsize()
1195 S_ISLNK(inode->i_mode))) in ext2_setsize()
1197 if (ext2_inode_is_fast_symlink(inode)) in ext2_setsize()
1199 if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) in ext2_setsize()
1202 inode_dio_wait(inode); in ext2_setsize()
1204 if (IS_DAX(inode)) in ext2_setsize()
1205 error = dax_truncate_page(inode, newsize, ext2_get_block); in ext2_setsize()
1206 else if (test_opt(inode->i_sb, NOBH)) in ext2_setsize()
1207 error = nobh_truncate_page(inode->i_mapping, in ext2_setsize()
1210 error = block_truncate_page(inode->i_mapping, in ext2_setsize()
1215 truncate_setsize(inode, newsize); in ext2_setsize()
1216 __ext2_truncate_blocks(inode, newsize); in ext2_setsize()
1218 inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; in ext2_setsize()
1219 if (inode_needs_sync(inode)) { in ext2_setsize()
1220 sync_mapping_buffers(inode->i_mapping); in ext2_setsize()
1221 sync_inode_metadata(inode, 1); in ext2_setsize()
1223 mark_inode_dirty(inode); in ext2_setsize()
1272 void ext2_set_inode_flags(struct inode *inode) in ext2_set_inode_flags() argument
1274 unsigned int flags = EXT2_I(inode)->i_flags; in ext2_set_inode_flags()
1276 inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | in ext2_set_inode_flags()
1279 inode->i_flags |= S_SYNC; in ext2_set_inode_flags()
1281 inode->i_flags |= S_APPEND; in ext2_set_inode_flags()
1283 inode->i_flags |= S_IMMUTABLE; in ext2_set_inode_flags()
1285 inode->i_flags |= S_NOATIME; in ext2_set_inode_flags()
1287 inode->i_flags |= S_DIRSYNC; in ext2_set_inode_flags()
1288 if (test_opt(inode->i_sb, DAX)) in ext2_set_inode_flags()
1289 inode->i_flags |= S_DAX; in ext2_set_inode_flags()
1311 struct inode *ext2_iget (struct super_block *sb, unsigned long ino) in ext2_iget()
1316 struct inode *inode; in ext2_iget() local
1322 inode = iget_locked(sb, ino); in ext2_iget()
1323 if (!inode) in ext2_iget()
1325 if (!(inode->i_state & I_NEW)) in ext2_iget()
1326 return inode; in ext2_iget()
1328 ei = EXT2_I(inode); in ext2_iget()
1331 raw_inode = ext2_get_inode(inode->i_sb, ino, &bh); in ext2_iget()
1337 inode->i_mode = le16_to_cpu(raw_inode->i_mode); in ext2_iget()
1340 if (!(test_opt (inode->i_sb, NO_UID32))) { in ext2_iget()
1344 i_uid_write(inode, i_uid); in ext2_iget()
1345 i_gid_write(inode, i_gid); in ext2_iget()
1346 set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); in ext2_iget()
1347 inode->i_size = le32_to_cpu(raw_inode->i_size); in ext2_iget()
1348 inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); in ext2_iget()
1349 inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); in ext2_iget()
1350 inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); in ext2_iget()
1351 inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0; in ext2_iget()
1358 if (inode->i_nlink == 0 && (inode->i_mode == 0 || ei->i_dtime)) { in ext2_iget()
1364 inode->i_blocks = le32_to_cpu(raw_inode->i_blocks); in ext2_iget()
1371 if (S_ISREG(inode->i_mode)) in ext2_iget()
1372 inode->i_size |= ((__u64)le32_to_cpu(raw_inode->i_size_high)) << 32; in ext2_iget()
1376 inode->i_generation = le32_to_cpu(raw_inode->i_generation); in ext2_iget()
1378 ei->i_block_group = (ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb); in ext2_iget()
1388 if (S_ISREG(inode->i_mode)) { in ext2_iget()
1389 inode->i_op = &ext2_file_inode_operations; in ext2_iget()
1390 if (test_opt(inode->i_sb, NOBH)) { in ext2_iget()
1391 inode->i_mapping->a_ops = &ext2_nobh_aops; in ext2_iget()
1392 inode->i_fop = &ext2_file_operations; in ext2_iget()
1394 inode->i_mapping->a_ops = &ext2_aops; in ext2_iget()
1395 inode->i_fop = &ext2_file_operations; in ext2_iget()
1397 } else if (S_ISDIR(inode->i_mode)) { in ext2_iget()
1398 inode->i_op = &ext2_dir_inode_operations; in ext2_iget()
1399 inode->i_fop = &ext2_dir_operations; in ext2_iget()
1400 if (test_opt(inode->i_sb, NOBH)) in ext2_iget()
1401 inode->i_mapping->a_ops = &ext2_nobh_aops; in ext2_iget()
1403 inode->i_mapping->a_ops = &ext2_aops; in ext2_iget()
1404 } else if (S_ISLNK(inode->i_mode)) { in ext2_iget()
1405 if (ext2_inode_is_fast_symlink(inode)) { in ext2_iget()
1406 inode->i_op = &ext2_fast_symlink_inode_operations; in ext2_iget()
1407 nd_terminate_link(ei->i_data, inode->i_size, in ext2_iget()
1410 inode->i_op = &ext2_symlink_inode_operations; in ext2_iget()
1411 if (test_opt(inode->i_sb, NOBH)) in ext2_iget()
1412 inode->i_mapping->a_ops = &ext2_nobh_aops; in ext2_iget()
1414 inode->i_mapping->a_ops = &ext2_aops; in ext2_iget()
1417 inode->i_op = &ext2_special_inode_operations; in ext2_iget()
1419 init_special_inode(inode, inode->i_mode, in ext2_iget()
1422 init_special_inode(inode, inode->i_mode, in ext2_iget()
1426 ext2_set_inode_flags(inode); in ext2_iget()
1427 unlock_new_inode(inode); in ext2_iget()
1428 return inode; in ext2_iget()
1431 iget_failed(inode); in ext2_iget()
1435 static int __ext2_write_inode(struct inode *inode, int do_sync) in __ext2_write_inode() argument
1437 struct ext2_inode_info *ei = EXT2_I(inode); in __ext2_write_inode()
1438 struct super_block *sb = inode->i_sb; in __ext2_write_inode()
1439 ino_t ino = inode->i_ino; in __ext2_write_inode()
1440 uid_t uid = i_uid_read(inode); in __ext2_write_inode()
1441 gid_t gid = i_gid_read(inode); in __ext2_write_inode()
1456 raw_inode->i_mode = cpu_to_le16(inode->i_mode); in __ext2_write_inode()
1477 raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); in __ext2_write_inode()
1478 raw_inode->i_size = cpu_to_le32(inode->i_size); in __ext2_write_inode()
1479 raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec); in __ext2_write_inode()
1480 raw_inode->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec); in __ext2_write_inode()
1481 raw_inode->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec); in __ext2_write_inode()
1483 raw_inode->i_blocks = cpu_to_le32(inode->i_blocks); in __ext2_write_inode()
1490 if (!S_ISREG(inode->i_mode)) in __ext2_write_inode()
1493 raw_inode->i_size_high = cpu_to_le32(inode->i_size >> 32); in __ext2_write_inode()
1494 if (inode->i_size > 0x7fffffffULL) { in __ext2_write_inode()
1512 raw_inode->i_generation = cpu_to_le32(inode->i_generation); in __ext2_write_inode()
1513 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { in __ext2_write_inode()
1514 if (old_valid_dev(inode->i_rdev)) { in __ext2_write_inode()
1516 cpu_to_le32(old_encode_dev(inode->i_rdev)); in __ext2_write_inode()
1521 cpu_to_le32(new_encode_dev(inode->i_rdev)); in __ext2_write_inode()
1540 int ext2_write_inode(struct inode *inode, struct writeback_control *wbc) in ext2_write_inode() argument
1542 return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL); in ext2_write_inode()
1547 struct inode *inode = d_inode(dentry); in ext2_setattr() local
1550 error = inode_change_ok(inode, iattr); in ext2_setattr()
1554 if (is_quota_modification(inode, iattr)) in ext2_setattr()
1555 dquot_initialize(inode); in ext2_setattr()
1556 if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) || in ext2_setattr()
1557 (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) { in ext2_setattr()
1558 error = dquot_transfer(inode, iattr); in ext2_setattr()
1562 if (iattr->ia_valid & ATTR_SIZE && iattr->ia_size != inode->i_size) { in ext2_setattr()
1563 error = ext2_setsize(inode, iattr->ia_size); in ext2_setattr()
1567 setattr_copy(inode, iattr); in ext2_setattr()
1569 error = posix_acl_chmod(inode, inode->i_mode); in ext2_setattr()
1570 mark_inode_dirty(inode); in ext2_setattr()