5 * Daniel Pirkl <daniel.pirkl@email.cz>
6 * Charles University, Faculty of Mathematics and Physics
10 * linux/fs/ext2/inode.c
12 * Copyright (C) 1992, 1993, 1994, 1995
13 * Remy Card (card@masi.ibp.fr)
14 * Laboratoire MASI - Institut Blaise Pascal
15 * Universite Pierre et Marie Curie (Paris VI)
19 * linux/fs/minix/inode.c
21 * Copyright (C) 1991, 1992 Linus Torvalds
23 * Goal-directed block allocation by Stephen Tweedie (sct@dcs.ed.ac.uk), 1993
24 * Big-endian to little-endian byte-swapping/bitmaps by
25 * David S. Miller (davem@caip.rutgers.edu), 1995
28 #include <asm/uaccess.h>
29 #include <asm/system.h>
31 #include <linux/errno.h>
33 #include <linux/ufs_fs.h>
34 #include <linux/time.h>
35 #include <linux/stat.h>
36 #include <linux/string.h>
38 #include <linux/smp_lock.h>
39 #include <linux/buffer_head.h>
44 static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t offsets[4])
46 struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
47 int ptrs = uspi->s_apb;
48 int ptrs_bits = uspi->s_apbshift;
49 const long direct_blocks = UFS_NDADDR,
50 indirect_blocks = ptrs,
51 double_blocks = (1 << (ptrs_bits * 2));
55 UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks);
57 ufs_warning(inode->i_sb, "ufs_block_to_path", "block < 0");
58 } else if (i_block < direct_blocks) {
59 offsets[n++] = i_block;
60 } else if ((i_block -= direct_blocks) < indirect_blocks) {
61 offsets[n++] = UFS_IND_BLOCK;
62 offsets[n++] = i_block;
63 } else if ((i_block -= indirect_blocks) < double_blocks) {
64 offsets[n++] = UFS_DIND_BLOCK;
65 offsets[n++] = i_block >> ptrs_bits;
66 offsets[n++] = i_block & (ptrs - 1);
67 } else if (((i_block -= double_blocks) >> (ptrs_bits * 2)) < ptrs) {
68 offsets[n++] = UFS_TIND_BLOCK;
69 offsets[n++] = i_block >> (ptrs_bits * 2);
70 offsets[n++] = (i_block >> ptrs_bits) & (ptrs - 1);
71 offsets[n++] = i_block & (ptrs - 1);
73 ufs_warning(inode->i_sb, "ufs_block_to_path", "block > big");
79 * Returns the location of the fragment from
80 * the begining of the filesystem.
83 u64 ufs_frag_map(struct inode *inode, sector_t frag)
85 struct ufs_inode_info *ufsi = UFS_I(inode);
86 struct super_block *sb = inode->i_sb;
87 struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
88 u64 mask = (u64) uspi->s_apbmask>>uspi->s_fpbshift;
89 int shift = uspi->s_apbshift-uspi->s_fpbshift;
90 sector_t offsets[4], *p;
91 int depth = ufs_block_to_path(inode, frag >> uspi->s_fpbshift, offsets);
95 unsigned flags = UFS_SB(sb)->s_flags;
98 UFSD(": frag = %llu depth = %d\n", (unsigned long long)frag, depth);
99 UFSD(": uspi->s_fpbshift = %d ,uspi->s_apbmask = %x, mask=%llx\n",uspi->s_fpbshift,uspi->s_apbmask,mask);
107 if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
110 block = ufsi->i_u1.i_data[*p++];
114 struct buffer_head *bh;
117 bh = sb_bread(sb, uspi->s_sbbase + fs32_to_cpu(sb, block)+(n>>shift));
120 block = ((__fs32 *) bh->b_data)[n & mask];
125 ret = (u64) (uspi->s_sbbase + fs32_to_cpu(sb, block) + (frag & uspi->s_fpbmask));
128 u2_block = ufsi->i_u1.u2_i_data[*p++];
134 struct buffer_head *bh;
138 temp = (u64)(uspi->s_sbbase) + fs64_to_cpu(sb, u2_block);
139 bh = sb_bread(sb, temp +(u64) (n>>shift));
142 u2_block = ((__fs64 *)bh->b_data)[n & mask];
147 temp = (u64)uspi->s_sbbase + fs64_to_cpu(sb, u2_block);
148 ret = temp + (u64) (frag & uspi->s_fpbmask);
155 static void ufs_clear_block(struct inode *inode, struct buffer_head *bh)
158 memset(bh->b_data, 0, inode->i_sb->s_blocksize);
159 set_buffer_uptodate(bh);
160 mark_buffer_dirty(bh);
163 sync_dirty_buffer(bh);
166 static struct buffer_head *ufs_inode_getfrag(struct inode *inode,
167 unsigned int fragment, unsigned int new_fragment,
168 unsigned int required, int *err, int metadata,
169 long *phys, int *new, struct page *locked_page)
171 struct ufs_inode_info *ufsi = UFS_I(inode);
172 struct super_block * sb;
173 struct ufs_sb_private_info * uspi;
174 struct buffer_head * result;
175 unsigned block, blockoff, lastfrag, lastblock, lastblockoff;
180 UFSD("ENTER, ino %lu, fragment %u, new_fragment %u, required %u\n",
181 inode->i_ino, fragment, new_fragment, required);
184 uspi = UFS_SB(sb)->s_uspi;
186 flags = UFS_SB(sb)->s_flags;
187 /* TODO : to be done for write support
188 if ( (flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
192 block = ufs_fragstoblks (fragment);
193 blockoff = ufs_fragnum (fragment);
194 p = ufsi->i_u1.i_data + block;
198 tmp = fs32_to_cpu(sb, *p);
199 lastfrag = ufsi->i_lastfrag;
200 if (tmp && fragment < lastfrag) {
202 result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
203 if (tmp == fs32_to_cpu(sb, *p)) {
204 UFSD("EXIT, result %u\n", tmp + blockoff);
210 *phys = tmp + blockoff;
215 lastblock = ufs_fragstoblks (lastfrag);
216 lastblockoff = ufs_fragnum (lastfrag);
218 * We will extend file into new block beyond last allocated block
220 if (lastblock < block) {
222 * We must reallocate last allocated block
225 p2 = ufsi->i_u1.i_data + lastblock;
226 tmp = ufs_new_fragments (inode, p2, lastfrag,
227 fs32_to_cpu(sb, *p2), uspi->s_fpb - lastblockoff,
230 if (lastfrag != ufsi->i_lastfrag)
235 lastfrag = ufsi->i_lastfrag;
238 goal = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock]) + uspi->s_fpb;
239 tmp = ufs_new_fragments (inode, p, fragment - blockoff,
240 goal, required + blockoff,
244 * We will extend last allocated block
246 else if (lastblock == block) {
247 tmp = ufs_new_fragments(inode, p, fragment - (blockoff - lastblockoff),
248 fs32_to_cpu(sb, *p), required + (blockoff - lastblockoff),
252 * We will allocate new block before last allocated block
254 else /* (lastblock > block) */ {
255 if (lastblock && (tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock-1])))
256 goal = tmp + uspi->s_fpb;
257 tmp = ufs_new_fragments(inode, p, fragment - blockoff,
258 goal, uspi->s_fpb, err, locked_page);
261 if ((!blockoff && *p) ||
262 (blockoff && lastfrag != ufsi->i_lastfrag))
269 result = sb_getblk(inode->i_sb, tmp + blockoff);
270 ufs_clear_block(inode, result);
272 *phys = tmp + blockoff;
278 inode->i_ctime = CURRENT_TIME_SEC;
280 ufs_sync_inode (inode);
281 mark_inode_dirty(inode);
282 UFSD("EXIT, result %u\n", tmp + blockoff);
285 /* This part : To be implemented ....
286 Required only for writing, not required for READ-ONLY.
289 u2_block = ufs_fragstoblks(fragment);
290 u2_blockoff = ufs_fragnum(fragment);
291 p = ufsi->i_u1.u2_i_data + block;
295 tmp = fs32_to_cpu(sb, *p);
296 lastfrag = ufsi->i_lastfrag;
301 static struct buffer_head *ufs_block_getfrag(struct inode *inode, struct buffer_head *bh,
302 unsigned int fragment, unsigned int new_fragment,
303 unsigned int blocksize, int * err, int metadata,
304 long *phys, int *new, struct page *locked_page)
306 struct super_block * sb;
307 struct ufs_sb_private_info * uspi;
308 struct buffer_head * result;
309 unsigned tmp, goal, block, blockoff;
313 uspi = UFS_SB(sb)->s_uspi;
314 block = ufs_fragstoblks (fragment);
315 blockoff = ufs_fragnum (fragment);
317 UFSD("ENTER, ino %lu, fragment %u, new_fragment %u\n", inode->i_ino, fragment, new_fragment);
322 if (!buffer_uptodate(bh)) {
323 ll_rw_block (READ, 1, &bh);
325 if (!buffer_uptodate(bh))
329 p = (__fs32 *) bh->b_data + block;
331 tmp = fs32_to_cpu(sb, *p);
334 result = sb_getblk(sb, uspi->s_sbbase + tmp + blockoff);
335 if (tmp == fs32_to_cpu(sb, *p))
340 *phys = tmp + blockoff;
345 if (block && (tmp = fs32_to_cpu(sb, ((__fs32*)bh->b_data)[block-1]) + uspi->s_fpb))
346 goal = tmp + uspi->s_fpb;
348 goal = bh->b_blocknr + uspi->s_fpb;
349 tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment), goal,
350 uspi->s_fpb, err, locked_page);
352 if (fs32_to_cpu(sb, *p))
359 result = sb_getblk(sb, tmp + blockoff);
360 ufs_clear_block(inode, result);
362 *phys = tmp + blockoff;
366 mark_buffer_dirty(bh);
368 sync_dirty_buffer(bh);
369 inode->i_ctime = CURRENT_TIME_SEC;
370 mark_inode_dirty(inode);
371 UFSD("result %u\n", tmp + blockoff);
379 * This function gets the block which contains the fragment.
382 int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
384 struct super_block * sb = inode->i_sb;
385 struct ufs_sb_private_info * uspi = UFS_SB(sb)->s_uspi;
386 struct buffer_head * bh;
388 unsigned long ptr,phys;
392 phys64 = ufs_frag_map(inode, fragment);
393 UFSD("phys64 = %llu \n",phys64);
395 map_bh(bh_result, sb, phys64);
399 /* This code entered only while writing ....? */
408 UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
412 ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb)
413 << uspi->s_fpbshift))
420 * ok, these macros clean the logic up a bit and make
421 * it much more readable:
423 #define GET_INODE_DATABLOCK(x) \
424 ufs_inode_getfrag(inode, x, fragment, 1, &err, 0, &phys, &new, bh_result->b_page)
425 #define GET_INODE_PTR(x) \
426 ufs_inode_getfrag(inode, x, fragment, uspi->s_fpb, &err, 1, NULL, NULL, bh_result->b_page)
427 #define GET_INDIRECT_DATABLOCK(x) \
428 ufs_block_getfrag(inode, bh, x, fragment, sb->s_blocksize, \
429 &err, 0, &phys, &new, bh_result->b_page);
430 #define GET_INDIRECT_PTR(x) \
431 ufs_block_getfrag(inode, bh, x, fragment, sb->s_blocksize, \
432 &err, 1, NULL, NULL, bh_result->b_page);
434 if (ptr < UFS_NDIR_FRAGMENT) {
435 bh = GET_INODE_DATABLOCK(ptr);
438 ptr -= UFS_NDIR_FRAGMENT;
439 if (ptr < (1 << (uspi->s_apbshift + uspi->s_fpbshift))) {
440 bh = GET_INODE_PTR(UFS_IND_FRAGMENT + (ptr >> uspi->s_apbshift));
443 ptr -= 1 << (uspi->s_apbshift + uspi->s_fpbshift);
444 if (ptr < (1 << (uspi->s_2apbshift + uspi->s_fpbshift))) {
445 bh = GET_INODE_PTR(UFS_DIND_FRAGMENT + (ptr >> uspi->s_2apbshift));
448 ptr -= 1 << (uspi->s_2apbshift + uspi->s_fpbshift);
449 bh = GET_INODE_PTR(UFS_TIND_FRAGMENT + (ptr >> uspi->s_3apbshift));
450 bh = GET_INDIRECT_PTR((ptr >> uspi->s_2apbshift) & uspi->s_apbmask);
452 bh = GET_INDIRECT_PTR((ptr >> uspi->s_apbshift) & uspi->s_apbmask);
454 bh = GET_INDIRECT_DATABLOCK(ptr & uspi->s_apbmask);
456 #undef GET_INODE_DATABLOCK
458 #undef GET_INDIRECT_DATABLOCK
459 #undef GET_INDIRECT_PTR
465 set_buffer_new(bh_result);
466 map_bh(bh_result, sb, phys);
472 ufs_warning(sb, "ufs_get_block", "block < 0");
476 ufs_warning(sb, "ufs_get_block", "block > big");
480 struct buffer_head *ufs_getfrag(struct inode *inode, unsigned int fragment,
481 int create, int *err)
483 struct buffer_head dummy;
487 dummy.b_blocknr = -1000;
488 error = ufs_getfrag_block(inode, fragment, &dummy, create);
490 if (!error && buffer_mapped(&dummy)) {
491 struct buffer_head *bh;
492 bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
493 if (buffer_new(&dummy)) {
494 memset(bh->b_data, 0, inode->i_sb->s_blocksize);
495 set_buffer_uptodate(bh);
496 mark_buffer_dirty(bh);
503 struct buffer_head * ufs_bread (struct inode * inode, unsigned fragment,
504 int create, int * err)
506 struct buffer_head * bh;
508 UFSD("ENTER, ino %lu, fragment %u\n", inode->i_ino, fragment);
509 bh = ufs_getfrag (inode, fragment, create, err);
510 if (!bh || buffer_uptodate(bh))
512 ll_rw_block (READ, 1, &bh);
514 if (buffer_uptodate(bh))
521 static int ufs_writepage(struct page *page, struct writeback_control *wbc)
523 return block_write_full_page(page,ufs_getfrag_block,wbc);
525 static int ufs_readpage(struct file *file, struct page *page)
527 return block_read_full_page(page,ufs_getfrag_block);
529 static int ufs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
531 return block_prepare_write(page,from,to,ufs_getfrag_block);
533 static sector_t ufs_bmap(struct address_space *mapping, sector_t block)
535 return generic_block_bmap(mapping,block,ufs_getfrag_block);
537 struct address_space_operations ufs_aops = {
538 .readpage = ufs_readpage,
539 .writepage = ufs_writepage,
540 .sync_page = block_sync_page,
541 .prepare_write = ufs_prepare_write,
542 .commit_write = generic_commit_write,
546 static void ufs_set_inode_ops(struct inode *inode)
548 if (S_ISREG(inode->i_mode)) {
549 inode->i_op = &ufs_file_inode_operations;
550 inode->i_fop = &ufs_file_operations;
551 inode->i_mapping->a_ops = &ufs_aops;
552 } else if (S_ISDIR(inode->i_mode)) {
553 inode->i_op = &ufs_dir_inode_operations;
554 inode->i_fop = &ufs_dir_operations;
555 inode->i_mapping->a_ops = &ufs_aops;
556 } else if (S_ISLNK(inode->i_mode)) {
557 if (!inode->i_blocks)
558 inode->i_op = &ufs_fast_symlink_inode_operations;
560 inode->i_op = &page_symlink_inode_operations;
561 inode->i_mapping->a_ops = &ufs_aops;
564 init_special_inode(inode, inode->i_mode,
565 ufs_get_inode_dev(inode->i_sb, UFS_I(inode)));
568 void ufs_read_inode (struct inode * inode)
570 struct ufs_inode_info *ufsi = UFS_I(inode);
571 struct super_block * sb;
572 struct ufs_sb_private_info * uspi;
573 struct ufs_inode * ufs_inode;
574 struct ufs2_inode *ufs2_inode;
575 struct buffer_head * bh;
580 UFSD("ENTER, ino %lu\n", inode->i_ino);
583 uspi = UFS_SB(sb)->s_uspi;
584 flags = UFS_SB(sb)->s_flags;
586 if (inode->i_ino < UFS_ROOTINO ||
587 inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
588 ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
592 bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));
594 ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
597 if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
600 ufs_inode = (struct ufs_inode *) (bh->b_data + sizeof(struct ufs_inode) * ufs_inotofsbo(inode->i_ino));
603 * Copy data to the in-core inode.
605 inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);
606 inode->i_nlink = fs16_to_cpu(sb, ufs_inode->ui_nlink);
607 if (inode->i_nlink == 0)
608 ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
611 * Linux now has 32-bit uid and gid, so we can support EFT.
613 inode->i_uid = ufs_get_inode_uid(sb, ufs_inode);
614 inode->i_gid = ufs_get_inode_gid(sb, ufs_inode);
616 inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size);
617 inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec);
618 inode->i_ctime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec);
619 inode->i_mtime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec);
620 inode->i_mtime.tv_nsec = 0;
621 inode->i_atime.tv_nsec = 0;
622 inode->i_ctime.tv_nsec = 0;
623 inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks);
624 inode->i_blksize = PAGE_SIZE; /* This is the optimal IO size (for stat) */
626 ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags);
627 ufsi->i_gen = fs32_to_cpu(sb, ufs_inode->ui_gen);
628 ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
629 ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
630 ufsi->i_lastfrag = (inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
631 ufsi->i_dir_start_lookup = 0;
633 if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
634 for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
635 ufsi->i_u1.i_data[i] = ufs_inode->ui_u2.ui_addr.ui_db[i];
637 for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
638 ufsi->i_u1.i_symlink[i] = ufs_inode->ui_u2.ui_symlink[i];
642 ufs_set_inode_ops(inode);
650 make_bad_inode(inode);
654 UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);
656 ufs2_inode = (struct ufs2_inode *)(bh->b_data + sizeof(struct ufs2_inode) * ufs_inotofsbo(inode->i_ino));
659 * Copy data to the in-core inode.
661 inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);
662 inode->i_nlink = fs16_to_cpu(sb, ufs2_inode->ui_nlink);
663 if (inode->i_nlink == 0)
664 ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
667 * Linux now has 32-bit uid and gid, so we can support EFT.
669 inode->i_uid = fs32_to_cpu(sb, ufs2_inode->ui_uid);
670 inode->i_gid = fs32_to_cpu(sb, ufs2_inode->ui_gid);
672 inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size);
673 inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs2_inode->ui_atime.tv_sec);
674 inode->i_ctime.tv_sec = fs32_to_cpu(sb, ufs2_inode->ui_ctime.tv_sec);
675 inode->i_mtime.tv_sec = fs32_to_cpu(sb, ufs2_inode->ui_mtime.tv_sec);
676 inode->i_mtime.tv_nsec = 0;
677 inode->i_atime.tv_nsec = 0;
678 inode->i_ctime.tv_nsec = 0;
679 inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks);
680 inode->i_blksize = PAGE_SIZE; /*This is the optimal IO size(for stat)*/
683 ufsi->i_flags = fs32_to_cpu(sb, ufs2_inode->ui_flags);
684 ufsi->i_gen = fs32_to_cpu(sb, ufs2_inode->ui_gen);
686 ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
687 ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
689 ufsi->i_lastfrag= (inode->i_size + uspi->s_fsize- 1) >> uspi->s_fshift;
691 if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
692 for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
693 ufsi->i_u1.u2_i_data[i] =
694 ufs2_inode->ui_u2.ui_addr.ui_db[i];
697 for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
698 ufsi->i_u1.i_symlink[i] = ufs2_inode->ui_u2.ui_symlink[i];
702 ufs_set_inode_ops(inode);
710 static int ufs_update_inode(struct inode * inode, int do_sync)
712 struct ufs_inode_info *ufsi = UFS_I(inode);
713 struct super_block * sb;
714 struct ufs_sb_private_info * uspi;
715 struct buffer_head * bh;
716 struct ufs_inode * ufs_inode;
720 UFSD("ENTER, ino %lu\n", inode->i_ino);
723 uspi = UFS_SB(sb)->s_uspi;
724 flags = UFS_SB(sb)->s_flags;
726 if (inode->i_ino < UFS_ROOTINO ||
727 inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {
728 ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);
732 bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));
734 ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);
737 ufs_inode = (struct ufs_inode *) (bh->b_data + ufs_inotofsbo(inode->i_ino) * sizeof(struct ufs_inode));
739 ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
740 ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
742 ufs_set_inode_uid(sb, ufs_inode, inode->i_uid);
743 ufs_set_inode_gid(sb, ufs_inode, inode->i_gid);
745 ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
746 ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);
747 ufs_inode->ui_atime.tv_usec = 0;
748 ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, inode->i_ctime.tv_sec);
749 ufs_inode->ui_ctime.tv_usec = 0;
750 ufs_inode->ui_mtime.tv_sec = cpu_to_fs32(sb, inode->i_mtime.tv_sec);
751 ufs_inode->ui_mtime.tv_usec = 0;
752 ufs_inode->ui_blocks = cpu_to_fs32(sb, inode->i_blocks);
753 ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);
754 ufs_inode->ui_gen = cpu_to_fs32(sb, ufsi->i_gen);
756 if ((flags & UFS_UID_MASK) == UFS_UID_EFT) {
757 ufs_inode->ui_u3.ui_sun.ui_shadow = cpu_to_fs32(sb, ufsi->i_shadow);
758 ufs_inode->ui_u3.ui_sun.ui_oeftflag = cpu_to_fs32(sb, ufsi->i_oeftflag);
761 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
762 /* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */
763 ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.i_data[0];
764 } else if (inode->i_blocks) {
765 for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
766 ufs_inode->ui_u2.ui_addr.ui_db[i] = ufsi->i_u1.i_data[i];
769 for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
770 ufs_inode->ui_u2.ui_symlink[i] = ufsi->i_u1.i_symlink[i];
774 memset (ufs_inode, 0, sizeof(struct ufs_inode));
776 mark_buffer_dirty(bh);
778 sync_dirty_buffer(bh);
785 int ufs_write_inode (struct inode * inode, int wait)
789 ret = ufs_update_inode (inode, wait);
794 int ufs_sync_inode (struct inode *inode)
796 return ufs_update_inode (inode, 1);
799 void ufs_delete_inode (struct inode * inode)
801 truncate_inode_pages(&inode->i_data, 0);
802 /*UFS_I(inode)->i_dtime = CURRENT_TIME;*/
804 mark_inode_dirty(inode);
805 ufs_update_inode(inode, IS_SYNC(inode));
808 ufs_truncate (inode);
809 ufs_free_inode (inode);