Lines Matching refs:inode
43 static int __ext2_write_inode(struct inode *inode, int do_sync);
48 static inline int ext2_inode_is_fast_symlink(struct inode *inode) in ext2_inode_is_fast_symlink() argument
50 int ea_blocks = EXT2_I(inode)->i_file_acl ? in ext2_inode_is_fast_symlink()
51 (inode->i_sb->s_blocksize >> 9) : 0; in ext2_inode_is_fast_symlink()
53 return (S_ISLNK(inode->i_mode) && in ext2_inode_is_fast_symlink()
54 inode->i_blocks - ea_blocks == 0); in ext2_inode_is_fast_symlink()
57 static void ext2_truncate_blocks(struct inode *inode, loff_t offset);
61 struct inode *inode = mapping->host; in ext2_write_failed() local
63 if (to > inode->i_size) { in ext2_write_failed()
64 truncate_pagecache(inode, inode->i_size); in ext2_write_failed()
65 ext2_truncate_blocks(inode, inode->i_size); in ext2_write_failed()
72 void ext2_evict_inode(struct inode * inode) in ext2_evict_inode() argument
77 if (!inode->i_nlink && !is_bad_inode(inode)) { in ext2_evict_inode()
79 dquot_initialize(inode); in ext2_evict_inode()
81 dquot_drop(inode); in ext2_evict_inode()
84 truncate_inode_pages_final(&inode->i_data); in ext2_evict_inode()
87 sb_start_intwrite(inode->i_sb); in ext2_evict_inode()
89 EXT2_I(inode)->i_dtime = ktime_get_real_seconds(); in ext2_evict_inode()
90 mark_inode_dirty(inode); in ext2_evict_inode()
91 __ext2_write_inode(inode, inode_needs_sync(inode)); in ext2_evict_inode()
93 inode->i_size = 0; in ext2_evict_inode()
94 if (inode->i_blocks) in ext2_evict_inode()
95 ext2_truncate_blocks(inode, 0); in ext2_evict_inode()
96 ext2_xattr_delete_inode(inode); in ext2_evict_inode()
99 invalidate_inode_buffers(inode); in ext2_evict_inode()
100 clear_inode(inode); in ext2_evict_inode()
102 ext2_discard_reservation(inode); in ext2_evict_inode()
103 rsv = EXT2_I(inode)->i_block_alloc_info; in ext2_evict_inode()
104 EXT2_I(inode)->i_block_alloc_info = NULL; in ext2_evict_inode()
109 ext2_free_inode(inode); in ext2_evict_inode()
110 sb_end_intwrite(inode->i_sb); in ext2_evict_inode()
163 static int ext2_block_to_path(struct inode *inode, in ext2_block_to_path() argument
166 int ptrs = EXT2_ADDR_PER_BLOCK(inode->i_sb); in ext2_block_to_path()
167 int ptrs_bits = EXT2_ADDR_PER_BLOCK_BITS(inode->i_sb); in ext2_block_to_path()
175 ext2_msg(inode->i_sb, KERN_WARNING, in ext2_block_to_path()
196 ext2_msg(inode->i_sb, KERN_WARNING, in ext2_block_to_path()
234 static Indirect *ext2_get_branch(struct inode *inode, in ext2_get_branch() argument
240 struct super_block *sb = inode->i_sb; in ext2_get_branch()
246 add_chain (chain, NULL, EXT2_I(inode)->i_data + *offsets); in ext2_get_branch()
253 read_lock(&EXT2_I(inode)->i_meta_lock); in ext2_get_branch()
257 read_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_get_branch()
264 read_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_get_branch()
294 static ext2_fsblk_t ext2_find_near(struct inode *inode, Indirect *ind) in ext2_find_near() argument
296 struct ext2_inode_info *ei = EXT2_I(inode); in ext2_find_near()
315 bg_start = ext2_group_first_block_no(inode->i_sb, ei->i_block_group); in ext2_find_near()
317 (EXT2_BLOCKS_PER_GROUP(inode->i_sb) / 16); in ext2_find_near()
330 static inline ext2_fsblk_t ext2_find_goal(struct inode *inode, long block, in ext2_find_goal() argument
335 block_i = EXT2_I(inode)->i_block_alloc_info; in ext2_find_goal()
346 return ext2_find_near(inode, partial); in ext2_find_goal()
395 static int ext2_alloc_blocks(struct inode *inode, in ext2_alloc_blocks() argument
418 current_block = ext2_new_blocks(inode,goal,&count,err); in ext2_alloc_blocks()
442 ext2_free_blocks(inode, new_blocks[i], 1); in ext2_alloc_blocks()
444 mark_inode_dirty(inode); in ext2_alloc_blocks()
475 static int ext2_alloc_branch(struct inode *inode, in ext2_alloc_branch() argument
479 int blocksize = inode->i_sb->s_blocksize; in ext2_alloc_branch()
487 num = ext2_alloc_blocks(inode, goal, indirect_blks, in ext2_alloc_branch()
502 bh = sb_getblk(inode->i_sb, new_blocks[n-1]); in ext2_alloc_branch()
525 mark_buffer_dirty_inode(bh, inode); in ext2_alloc_branch()
530 if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) in ext2_alloc_branch()
540 ext2_free_blocks(inode, new_blocks[i], 1); in ext2_alloc_branch()
541 ext2_free_blocks(inode, new_blocks[i], num); in ext2_alloc_branch()
557 static void ext2_splice_branch(struct inode *inode, in ext2_splice_branch() argument
564 block_i = EXT2_I(inode)->i_block_alloc_info; in ext2_splice_branch()
596 mark_buffer_dirty_inode(where->bh, inode); in ext2_splice_branch()
598 inode->i_ctime = current_time(inode); in ext2_splice_branch()
599 mark_inode_dirty(inode); in ext2_splice_branch()
620 static int ext2_get_blocks(struct inode *inode, in ext2_get_blocks() argument
633 struct ext2_inode_info *ei = EXT2_I(inode); in ext2_get_blocks()
639 depth = ext2_block_to_path(inode,iblock,offsets,&blocks_to_boundary); in ext2_get_blocks()
644 partial = ext2_get_branch(inode, depth, offsets, chain, &err); in ext2_get_blocks()
697 partial = ext2_get_branch(inode, depth, offsets, chain, &err); in ext2_get_blocks()
714 if (S_ISREG(inode->i_mode) && (!ei->i_block_alloc_info)) in ext2_get_blocks()
715 ext2_init_block_alloc_info(inode); in ext2_get_blocks()
717 goal = ext2_find_goal(inode, iblock, partial); in ext2_get_blocks()
730 err = ext2_alloc_branch(inode, indirect_blks, &count, goal, in ext2_get_blocks()
738 if (IS_DAX(inode)) { in ext2_get_blocks()
743 clean_bdev_aliases(inode->i_sb->s_bdev, in ext2_get_blocks()
751 err = sb_issue_zeroout(inode->i_sb, in ext2_get_blocks()
761 ext2_splice_branch(inode, iblock, partial, indirect_blks, count); in ext2_get_blocks()
779 int ext2_get_block(struct inode *inode, sector_t iblock, in ext2_get_block() argument
782 unsigned max_blocks = bh_result->b_size >> inode->i_blkbits; in ext2_get_block()
787 ret = ext2_get_blocks(inode, iblock, max_blocks, &bno, &new, &boundary, in ext2_get_block()
792 map_bh(bh_result, inode->i_sb, bno); in ext2_get_block()
793 bh_result->b_size = (ret << inode->i_blkbits); in ext2_get_block()
802 static int ext2_iomap_begin(struct inode *inode, loff_t offset, loff_t length, in ext2_iomap_begin() argument
805 unsigned int blkbits = inode->i_blkbits; in ext2_iomap_begin()
808 struct ext2_sb_info *sbi = EXT2_SB(inode->i_sb); in ext2_iomap_begin()
813 ret = ext2_get_blocks(inode, first_block, max_blocks, in ext2_iomap_begin()
819 iomap->bdev = inode->i_sb->s_bdev; in ext2_iomap_begin()
840 ext2_iomap_end(struct inode *inode, loff_t offset, loff_t length, in ext2_iomap_end() argument
846 ext2_write_failed(inode->i_mapping, offset + length); in ext2_iomap_end()
855 int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, in ext2_fiemap() argument
860 inode_lock(inode); in ext2_fiemap()
861 len = min_t(u64, len, i_size_read(inode)); in ext2_fiemap()
862 ret = iomap_fiemap(inode, fieinfo, start, len, &ext2_iomap_ops); in ext2_fiemap()
863 inode_unlock(inode); in ext2_fiemap()
939 struct inode *inode = mapping->host; in ext2_direct_IO() local
944 ret = blockdev_direct_IO(iocb, inode, iter, ext2_get_block); in ext2_direct_IO()
1047 static Indirect *ext2_find_shared(struct inode *inode, in ext2_find_shared() argument
1059 partial = ext2_get_branch(inode, k, offsets, chain, &err); in ext2_find_shared()
1066 write_lock(&EXT2_I(inode)->i_meta_lock); in ext2_find_shared()
1068 write_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_find_shared()
1085 write_unlock(&EXT2_I(inode)->i_meta_lock); in ext2_find_shared()
1106 static inline void ext2_free_data(struct inode *inode, __le32 *p, __le32 *q) in ext2_free_data() argument
1121 ext2_free_blocks (inode, block_to_free, count); in ext2_free_data()
1122 mark_inode_dirty(inode); in ext2_free_data()
1130 ext2_free_blocks (inode, block_to_free, count); in ext2_free_data()
1131 mark_inode_dirty(inode); in ext2_free_data()
1146 static void ext2_free_branches(struct inode *inode, __le32 *p, __le32 *q, int depth) in ext2_free_branches() argument
1152 int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb); in ext2_free_branches()
1158 bh = sb_bread(inode->i_sb, nr); in ext2_free_branches()
1164 ext2_error(inode->i_sb, "ext2_free_branches", in ext2_free_branches()
1166 inode->i_ino, nr); in ext2_free_branches()
1169 ext2_free_branches(inode, in ext2_free_branches()
1174 ext2_free_blocks(inode, nr, 1); in ext2_free_branches()
1175 mark_inode_dirty(inode); in ext2_free_branches()
1178 ext2_free_data(inode, p, q); in ext2_free_branches()
1182 static void __ext2_truncate_blocks(struct inode *inode, loff_t offset) in __ext2_truncate_blocks() argument
1184 __le32 *i_data = EXT2_I(inode)->i_data; in __ext2_truncate_blocks()
1185 struct ext2_inode_info *ei = EXT2_I(inode); in __ext2_truncate_blocks()
1186 int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb); in __ext2_truncate_blocks()
1194 blocksize = inode->i_sb->s_blocksize; in __ext2_truncate_blocks()
1195 iblock = (offset + blocksize-1) >> EXT2_BLOCK_SIZE_BITS(inode->i_sb); in __ext2_truncate_blocks()
1198 WARN_ON(!rwsem_is_locked(&inode->i_mapping->invalidate_lock)); in __ext2_truncate_blocks()
1201 n = ext2_block_to_path(inode, iblock, offsets, NULL); in __ext2_truncate_blocks()
1212 ext2_free_data(inode, i_data+offsets[0], in __ext2_truncate_blocks()
1217 partial = ext2_find_shared(inode, n, offsets, chain, &nr); in __ext2_truncate_blocks()
1221 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1223 mark_buffer_dirty_inode(partial->bh, inode); in __ext2_truncate_blocks()
1224 ext2_free_branches(inode, &nr, &nr+1, (chain+n-1) - partial); in __ext2_truncate_blocks()
1228 ext2_free_branches(inode, in __ext2_truncate_blocks()
1232 mark_buffer_dirty_inode(partial->bh, inode); in __ext2_truncate_blocks()
1243 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1244 ext2_free_branches(inode, &nr, &nr+1, 1); in __ext2_truncate_blocks()
1251 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1252 ext2_free_branches(inode, &nr, &nr+1, 2); in __ext2_truncate_blocks()
1259 mark_inode_dirty(inode); in __ext2_truncate_blocks()
1260 ext2_free_branches(inode, &nr, &nr+1, 3); in __ext2_truncate_blocks()
1267 ext2_discard_reservation(inode); in __ext2_truncate_blocks()
1272 static void ext2_truncate_blocks(struct inode *inode, loff_t offset) in ext2_truncate_blocks() argument
1274 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || in ext2_truncate_blocks()
1275 S_ISLNK(inode->i_mode))) in ext2_truncate_blocks()
1277 if (ext2_inode_is_fast_symlink(inode)) in ext2_truncate_blocks()
1280 filemap_invalidate_lock(inode->i_mapping); in ext2_truncate_blocks()
1281 __ext2_truncate_blocks(inode, offset); in ext2_truncate_blocks()
1282 filemap_invalidate_unlock(inode->i_mapping); in ext2_truncate_blocks()
1285 static int ext2_setsize(struct inode *inode, loff_t newsize) in ext2_setsize() argument
1289 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || in ext2_setsize()
1290 S_ISLNK(inode->i_mode))) in ext2_setsize()
1292 if (ext2_inode_is_fast_symlink(inode)) in ext2_setsize()
1294 if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) in ext2_setsize()
1297 inode_dio_wait(inode); in ext2_setsize()
1299 if (IS_DAX(inode)) { in ext2_setsize()
1300 error = iomap_zero_range(inode, newsize, in ext2_setsize()
1303 } else if (test_opt(inode->i_sb, NOBH)) in ext2_setsize()
1304 error = nobh_truncate_page(inode->i_mapping, in ext2_setsize()
1307 error = block_truncate_page(inode->i_mapping, in ext2_setsize()
1312 filemap_invalidate_lock(inode->i_mapping); in ext2_setsize()
1313 truncate_setsize(inode, newsize); in ext2_setsize()
1314 __ext2_truncate_blocks(inode, newsize); in ext2_setsize()
1315 filemap_invalidate_unlock(inode->i_mapping); in ext2_setsize()
1317 inode->i_mtime = inode->i_ctime = current_time(inode); in ext2_setsize()
1318 if (inode_needs_sync(inode)) { in ext2_setsize()
1319 sync_mapping_buffers(inode->i_mapping); in ext2_setsize()
1320 sync_inode_metadata(inode, 1); in ext2_setsize()
1322 mark_inode_dirty(inode); in ext2_setsize()
1371 void ext2_set_inode_flags(struct inode *inode) in ext2_set_inode_flags() argument
1373 unsigned int flags = EXT2_I(inode)->i_flags; in ext2_set_inode_flags()
1375 inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | in ext2_set_inode_flags()
1378 inode->i_flags |= S_SYNC; in ext2_set_inode_flags()
1380 inode->i_flags |= S_APPEND; in ext2_set_inode_flags()
1382 inode->i_flags |= S_IMMUTABLE; in ext2_set_inode_flags()
1384 inode->i_flags |= S_NOATIME; in ext2_set_inode_flags()
1386 inode->i_flags |= S_DIRSYNC; in ext2_set_inode_flags()
1387 if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode)) in ext2_set_inode_flags()
1388 inode->i_flags |= S_DAX; in ext2_set_inode_flags()
1391 void ext2_set_file_ops(struct inode *inode) in ext2_set_file_ops() argument
1393 inode->i_op = &ext2_file_inode_operations; in ext2_set_file_ops()
1394 inode->i_fop = &ext2_file_operations; in ext2_set_file_ops()
1395 if (IS_DAX(inode)) in ext2_set_file_ops()
1396 inode->i_mapping->a_ops = &ext2_dax_aops; in ext2_set_file_ops()
1397 else if (test_opt(inode->i_sb, NOBH)) in ext2_set_file_ops()
1398 inode->i_mapping->a_ops = &ext2_nobh_aops; in ext2_set_file_ops()
1400 inode->i_mapping->a_ops = &ext2_aops; in ext2_set_file_ops()
1403 struct inode *ext2_iget (struct super_block *sb, unsigned long ino) in ext2_iget()
1408 struct inode *inode; in ext2_iget() local
1414 inode = iget_locked(sb, ino); in ext2_iget()
1415 if (!inode) in ext2_iget()
1417 if (!(inode->i_state & I_NEW)) in ext2_iget()
1418 return inode; in ext2_iget()
1420 ei = EXT2_I(inode); in ext2_iget()
1423 raw_inode = ext2_get_inode(inode->i_sb, ino, &bh); in ext2_iget()
1429 inode->i_mode = le16_to_cpu(raw_inode->i_mode); in ext2_iget()
1432 if (!(test_opt (inode->i_sb, NO_UID32))) { in ext2_iget()
1436 i_uid_write(inode, i_uid); in ext2_iget()
1437 i_gid_write(inode, i_gid); in ext2_iget()
1438 set_nlink(inode, le16_to_cpu(raw_inode->i_links_count)); in ext2_iget()
1439 inode->i_size = le32_to_cpu(raw_inode->i_size); in ext2_iget()
1440 inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); in ext2_iget()
1441 inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); in ext2_iget()
1442 inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); in ext2_iget()
1443 inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0; in ext2_iget()
1450 if (inode->i_nlink == 0 && (inode->i_mode == 0 || ei->i_dtime)) { in ext2_iget()
1455 inode->i_blocks = le32_to_cpu(raw_inode->i_blocks); in ext2_iget()
1457 ext2_set_inode_flags(inode); in ext2_iget()
1472 if (S_ISREG(inode->i_mode)) in ext2_iget()
1473 inode->i_size |= ((__u64)le32_to_cpu(raw_inode->i_size_high)) << 32; in ext2_iget()
1476 if (i_size_read(inode) < 0) { in ext2_iget()
1481 inode->i_generation = le32_to_cpu(raw_inode->i_generation); in ext2_iget()
1483 ei->i_block_group = (ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb); in ext2_iget()
1493 if (S_ISREG(inode->i_mode)) { in ext2_iget()
1494 ext2_set_file_ops(inode); in ext2_iget()
1495 } else if (S_ISDIR(inode->i_mode)) { in ext2_iget()
1496 inode->i_op = &ext2_dir_inode_operations; in ext2_iget()
1497 inode->i_fop = &ext2_dir_operations; in ext2_iget()
1498 if (test_opt(inode->i_sb, NOBH)) in ext2_iget()
1499 inode->i_mapping->a_ops = &ext2_nobh_aops; in ext2_iget()
1501 inode->i_mapping->a_ops = &ext2_aops; in ext2_iget()
1502 } else if (S_ISLNK(inode->i_mode)) { in ext2_iget()
1503 if (ext2_inode_is_fast_symlink(inode)) { in ext2_iget()
1504 inode->i_link = (char *)ei->i_data; in ext2_iget()
1505 inode->i_op = &ext2_fast_symlink_inode_operations; in ext2_iget()
1506 nd_terminate_link(ei->i_data, inode->i_size, in ext2_iget()
1509 inode->i_op = &ext2_symlink_inode_operations; in ext2_iget()
1510 inode_nohighmem(inode); in ext2_iget()
1511 if (test_opt(inode->i_sb, NOBH)) in ext2_iget()
1512 inode->i_mapping->a_ops = &ext2_nobh_aops; in ext2_iget()
1514 inode->i_mapping->a_ops = &ext2_aops; in ext2_iget()
1517 inode->i_op = &ext2_special_inode_operations; in ext2_iget()
1519 init_special_inode(inode, inode->i_mode, in ext2_iget()
1522 init_special_inode(inode, inode->i_mode, in ext2_iget()
1526 unlock_new_inode(inode); in ext2_iget()
1527 return inode; in ext2_iget()
1531 iget_failed(inode); in ext2_iget()
1535 static int __ext2_write_inode(struct inode *inode, int do_sync) in __ext2_write_inode() argument
1537 struct ext2_inode_info *ei = EXT2_I(inode); in __ext2_write_inode()
1538 struct super_block *sb = inode->i_sb; in __ext2_write_inode()
1539 ino_t ino = inode->i_ino; in __ext2_write_inode()
1540 uid_t uid = i_uid_read(inode); in __ext2_write_inode()
1541 gid_t gid = i_gid_read(inode); in __ext2_write_inode()
1555 raw_inode->i_mode = cpu_to_le16(inode->i_mode); in __ext2_write_inode()
1576 raw_inode->i_links_count = cpu_to_le16(inode->i_nlink); in __ext2_write_inode()
1577 raw_inode->i_size = cpu_to_le32(inode->i_size); in __ext2_write_inode()
1578 raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec); in __ext2_write_inode()
1579 raw_inode->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec); in __ext2_write_inode()
1580 raw_inode->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec); in __ext2_write_inode()
1582 raw_inode->i_blocks = cpu_to_le32(inode->i_blocks); in __ext2_write_inode()
1589 if (!S_ISREG(inode->i_mode)) in __ext2_write_inode()
1592 raw_inode->i_size_high = cpu_to_le32(inode->i_size >> 32); in __ext2_write_inode()
1593 if (inode->i_size > 0x7fffffffULL) { in __ext2_write_inode()
1611 raw_inode->i_generation = cpu_to_le32(inode->i_generation); in __ext2_write_inode()
1612 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { in __ext2_write_inode()
1613 if (old_valid_dev(inode->i_rdev)) { in __ext2_write_inode()
1615 cpu_to_le32(old_encode_dev(inode->i_rdev)); in __ext2_write_inode()
1620 cpu_to_le32(new_encode_dev(inode->i_rdev)); in __ext2_write_inode()
1639 int ext2_write_inode(struct inode *inode, struct writeback_control *wbc) in ext2_write_inode() argument
1641 return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL); in ext2_write_inode()
1647 struct inode *inode = d_inode(path->dentry); in ext2_getattr() local
1648 struct ext2_inode_info *ei = EXT2_I(inode); in ext2_getattr()
1666 generic_fillattr(&init_user_ns, inode, stat); in ext2_getattr()
1673 struct inode *inode = d_inode(dentry); in ext2_setattr() local
1680 if (is_quota_modification(inode, iattr)) { in ext2_setattr()
1681 error = dquot_initialize(inode); in ext2_setattr()
1685 if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) || in ext2_setattr()
1686 (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) { in ext2_setattr()
1687 error = dquot_transfer(inode, iattr); in ext2_setattr()
1691 if (iattr->ia_valid & ATTR_SIZE && iattr->ia_size != inode->i_size) { in ext2_setattr()
1692 error = ext2_setsize(inode, iattr->ia_size); in ext2_setattr()
1696 setattr_copy(&init_user_ns, inode, iattr); in ext2_setattr()
1698 error = posix_acl_chmod(&init_user_ns, inode, inode->i_mode); in ext2_setattr()
1699 mark_inode_dirty(inode); in ext2_setattr()