Lines Matching +full:d +full:- +full:cache +full:- +full:block +full:- +full:size
1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 1996 Hans-Joachim Widmaier - Rewritten
7 * (C) 1993 Ray Burr - Modified for Amiga FFS filesystem.
11 * (C) 1991 Linus Torvalds - minix filesystem
26 pr_debug("open(%lu,%d)\n", in affs_file_open()
27 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_open()
28 atomic_inc(&AFFS_I(inode)->i_opencnt); in affs_file_open()
35 pr_debug("release(%lu, %d)\n", in affs_file_release()
36 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_release()
38 if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) { in affs_file_release()
40 if (inode->i_size != AFFS_I(inode)->mmu_private) in affs_file_release()
52 struct super_block *sb = inode->i_sb; in affs_grow_extcache()
57 if (!AFFS_I(inode)->i_lc) { in affs_grow_extcache()
60 return -ENOMEM; in affs_grow_extcache()
61 AFFS_I(inode)->i_lc = (u32 *)ptr; in affs_grow_extcache()
62 AFFS_I(inode)->i_ac = (struct affs_ext_key *)(ptr + AFFS_CACHE_SIZE / 2); in affs_grow_extcache()
65 lc_max = AFFS_LC_SIZE << AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
67 if (AFFS_I(inode)->i_extcnt > lc_max) { in affs_grow_extcache()
70 /* need to recalculate linear cache, start from old size */ in affs_grow_extcache()
71 lc_shift = AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
72 tmp = (AFFS_I(inode)->i_extcnt / AFFS_LC_SIZE) >> lc_shift; in affs_grow_extcache()
75 lc_mask = (1 << lc_shift) - 1; in affs_grow_extcache()
77 /* fix idx and old size to new shift */ in affs_grow_extcache()
78 lc_idx >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
79 AFFS_I(inode)->i_lc_size >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
81 /* first shrink old cache to make more space */ in affs_grow_extcache()
82 off = 1 << (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
84 AFFS_I(inode)->i_ac[i] = AFFS_I(inode)->i_ac[j]; in affs_grow_extcache()
86 AFFS_I(inode)->i_lc_shift = lc_shift; in affs_grow_extcache()
87 AFFS_I(inode)->i_lc_mask = lc_mask; in affs_grow_extcache()
90 /* fill cache to the needed index */ in affs_grow_extcache()
91 i = AFFS_I(inode)->i_lc_size; in affs_grow_extcache()
92 AFFS_I(inode)->i_lc_size = lc_idx + 1; in affs_grow_extcache()
95 AFFS_I(inode)->i_lc[0] = inode->i_ino; in affs_grow_extcache()
98 key = AFFS_I(inode)->i_lc[i - 1]; in affs_grow_extcache()
99 j = AFFS_I(inode)->i_lc_mask + 1; in affs_grow_extcache()
100 // unlock cache in affs_grow_extcache()
101 for (; j > 0; j--) { in affs_grow_extcache()
105 key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_grow_extcache()
108 // lock cache in affs_grow_extcache()
109 AFFS_I(inode)->i_lc[i] = key; in affs_grow_extcache()
115 // lock cache in affs_grow_extcache()
116 return -EIO; in affs_grow_extcache()
122 struct super_block *sb = inode->i_sb; in affs_alloc_extblock()
126 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
128 return ERR_PTR(-ENOSPC); in affs_alloc_extblock()
133 return ERR_PTR(-EIO); in affs_alloc_extblock()
136 AFFS_HEAD(new_bh)->ptype = cpu_to_be32(T_LIST); in affs_alloc_extblock()
137 AFFS_HEAD(new_bh)->key = cpu_to_be32(blocknr); in affs_alloc_extblock()
138 AFFS_TAIL(sb, new_bh)->stype = cpu_to_be32(ST_FILE); in affs_alloc_extblock()
139 AFFS_TAIL(sb, new_bh)->parent = cpu_to_be32(inode->i_ino); in affs_alloc_extblock()
144 tmp = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_alloc_extblock()
147 AFFS_TAIL(sb, bh)->extension = cpu_to_be32(blocknr); in affs_alloc_extblock()
148 affs_adjust_checksum(bh, blocknr - tmp); in affs_alloc_extblock()
151 AFFS_I(inode)->i_extcnt++; in affs_alloc_extblock()
160 /* inline the simplest case: same extended block as last time */ in affs_get_extblock()
161 struct buffer_head *bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock()
162 if (ext == AFFS_I(inode)->i_ext_last) in affs_get_extblock()
174 struct super_block *sb = inode->i_sb; in affs_get_extblock_slow()
180 if (ext == AFFS_I(inode)->i_ext_last + 1) { in affs_get_extblock_slow()
181 /* read the next extended block from the current one */ in affs_get_extblock_slow()
182 bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock_slow()
183 ext_key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_get_extblock_slow()
184 if (ext < AFFS_I(inode)->i_extcnt) in affs_get_extblock_slow()
186 BUG_ON(ext > AFFS_I(inode)->i_extcnt); in affs_get_extblock_slow()
194 /* we seek back to the file header block */ in affs_get_extblock_slow()
195 ext_key = inode->i_ino; in affs_get_extblock_slow()
199 if (ext >= AFFS_I(inode)->i_extcnt) { in affs_get_extblock_slow()
202 /* allocate a new extended block */ in affs_get_extblock_slow()
203 BUG_ON(ext > AFFS_I(inode)->i_extcnt); in affs_get_extblock_slow()
205 /* get previous extended block */ in affs_get_extblock_slow()
206 prev_bh = affs_get_extblock(inode, ext - 1); in affs_get_extblock_slow()
217 /* check if there is an extended cache and whether it's large enough */ in affs_get_extblock_slow()
218 lc_idx = ext >> AFFS_I(inode)->i_lc_shift; in affs_get_extblock_slow()
219 lc_off = ext & AFFS_I(inode)->i_lc_mask; in affs_get_extblock_slow()
221 if (lc_idx >= AFFS_I(inode)->i_lc_size) { in affs_get_extblock_slow()
230 /* every n'th key we find in the linear cache */ in affs_get_extblock_slow()
232 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
236 /* maybe it's still in the associative cache */ in affs_get_extblock_slow()
237 ac_idx = (ext - lc_idx - 1) & AFFS_AC_MASK; in affs_get_extblock_slow()
238 if (AFFS_I(inode)->i_ac[ac_idx].ext == ext) { in affs_get_extblock_slow()
239 ext_key = AFFS_I(inode)->i_ac[ac_idx].key; in affs_get_extblock_slow()
246 while (--tmp, --lc_off > 0) { in affs_get_extblock_slow()
247 idx = (idx - 1) & AFFS_AC_MASK; in affs_get_extblock_slow()
248 if (AFFS_I(inode)->i_ac[idx].ext == tmp) { in affs_get_extblock_slow()
249 ext_key = AFFS_I(inode)->i_ac[idx].key; in affs_get_extblock_slow()
254 /* fall back to the linear cache */ in affs_get_extblock_slow()
255 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
258 //unlock cache in affs_get_extblock_slow()
263 ext_key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension); in affs_get_extblock_slow()
267 //lock cache in affs_get_extblock_slow()
269 /* store it in the associative cache */ in affs_get_extblock_slow()
271 AFFS_I(inode)->i_ac[ac_idx].ext = ext; in affs_get_extblock_slow()
272 AFFS_I(inode)->i_ac[ac_idx].key = ext_key; in affs_get_extblock_slow()
275 /* finally read the right extended block */ in affs_get_extblock_slow()
276 //unlock cache in affs_get_extblock_slow()
280 //lock cache in affs_get_extblock_slow()
283 /* release old cached extended block and store the new one */ in affs_get_extblock_slow()
284 affs_brelse(AFFS_I(inode)->i_ext_bh); in affs_get_extblock_slow()
285 AFFS_I(inode)->i_ext_last = ext; in affs_get_extblock_slow()
286 AFFS_I(inode)->i_ext_bh = bh; in affs_get_extblock_slow()
293 return ERR_PTR(-EIO); in affs_get_extblock_slow()
297 affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create) in affs_get_block() argument
299 struct super_block *sb = inode->i_sb; in affs_get_block()
303 pr_debug("%s(%lu, %llu)\n", __func__, inode->i_ino, in affs_get_block()
304 (unsigned long long)block); in affs_get_block()
306 BUG_ON(block > (sector_t)0x7fffffffUL); in affs_get_block()
308 if (block >= AFFS_I(inode)->i_blkcnt) { in affs_get_block()
309 if (block > AFFS_I(inode)->i_blkcnt || !create) in affs_get_block()
314 //lock cache in affs_get_block()
317 ext = (u32)block / AFFS_SB(sb)->s_hashsize; in affs_get_block()
318 block -= ext * AFFS_SB(sb)->s_hashsize; in affs_get_block()
322 map_bh(bh_result, sb, (sector_t)be32_to_cpu(AFFS_BLOCK(sb, ext_bh, block))); in affs_get_block()
325 u32 blocknr = affs_alloc_block(inode, ext_bh->b_blocknr); in affs_get_block()
329 AFFS_I(inode)->mmu_private += AFFS_SB(sb)->s_data_blksize; in affs_get_block()
330 AFFS_I(inode)->i_blkcnt++; in affs_get_block()
332 /* store new block */ in affs_get_block()
333 if (bh_result->b_blocknr) in affs_get_block()
335 "block already set (%llx)", in affs_get_block()
336 (unsigned long long)bh_result->b_blocknr); in affs_get_block()
337 AFFS_BLOCK(sb, ext_bh, block) = cpu_to_be32(blocknr); in affs_get_block()
338 AFFS_HEAD(ext_bh)->block_count = cpu_to_be32(block + 1); in affs_get_block()
339 affs_adjust_checksum(ext_bh, blocknr - bh_result->b_blocknr + 1); in affs_get_block()
340 bh_result->b_blocknr = blocknr; in affs_get_block()
342 if (!block) { in affs_get_block()
343 /* insert first block into header block */ in affs_get_block()
344 u32 tmp = be32_to_cpu(AFFS_HEAD(ext_bh)->first_data); in affs_get_block()
346 affs_warning(sb, "get_block", "first block already set (%d)", tmp); in affs_get_block()
347 AFFS_HEAD(ext_bh)->first_data = cpu_to_be32(blocknr); in affs_get_block()
348 affs_adjust_checksum(ext_bh, blocknr - tmp); in affs_get_block()
353 //unlock cache in affs_get_block()
358 affs_error(inode->i_sb, "get_block", "strange block request %llu", in affs_get_block()
359 (unsigned long long)block); in affs_get_block()
360 return -EIO; in affs_get_block()
362 // unlock cache in affs_get_block()
368 bh_result->b_bdev = NULL; in affs_get_block()
369 // unlock cache in affs_get_block()
371 return -ENOSPC; in affs_get_block()
387 struct inode *inode = mapping->host; in affs_write_failed()
389 if (to > inode->i_size) { in affs_write_failed()
390 truncate_pagecache(inode, inode->i_size); in affs_write_failed()
398 struct file *file = iocb->ki_filp; in affs_direct_IO()
399 struct address_space *mapping = file->f_mapping; in affs_direct_IO()
400 struct inode *inode = mapping->host; in affs_direct_IO()
402 loff_t offset = iocb->ki_pos; in affs_direct_IO()
406 loff_t size = offset + count; in affs_direct_IO() local
408 if (AFFS_I(inode)->mmu_private < size) in affs_direct_IO()
427 &AFFS_I(mapping->host)->mmu_private); in affs_write_begin()
438 struct inode *inode = mapping->host; in affs_write_end()
444 if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) { in affs_write_end()
445 AFFS_I(inode)->i_protect &= ~FIBF_ARCHIVED; in affs_write_end()
452 static sector_t _affs_bmap(struct address_space *mapping, sector_t block) in _affs_bmap() argument
454 return generic_block_bmap(mapping,block,affs_get_block); in _affs_bmap()
470 affs_bread_ino(struct inode *inode, int block, int create) in affs_bread_ino() argument
476 err = affs_get_block(inode, block, &tmp_bh, create); in affs_bread_ino()
478 bh = affs_bread(inode->i_sb, tmp_bh.b_blocknr); in affs_bread_ino()
480 bh->b_state |= tmp_bh.b_state; in affs_bread_ino()
483 err = -EIO; in affs_bread_ino()
489 affs_getzeroblk_ino(struct inode *inode, int block) in affs_getzeroblk_ino() argument
495 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getzeroblk_ino()
497 bh = affs_getzeroblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getzeroblk_ino()
499 bh->b_state |= tmp_bh.b_state; in affs_getzeroblk_ino()
502 err = -EIO; in affs_getzeroblk_ino()
508 affs_getemptyblk_ino(struct inode *inode, int block) in affs_getemptyblk_ino() argument
514 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getemptyblk_ino()
516 bh = affs_getemptyblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getemptyblk_ino()
518 bh->b_state |= tmp_bh.b_state; in affs_getemptyblk_ino()
521 err = -EIO; in affs_getemptyblk_ino()
528 struct inode *inode = folio->mapping->host; in affs_do_read_folio_ofs()
529 struct super_block *sb = inode->i_sb; in affs_do_read_folio_ofs()
535 pr_debug("%s(%lu, %ld, 0, %zu)\n", __func__, inode->i_ino, in affs_do_read_folio_ofs()
536 folio->index, to); in affs_do_read_folio_ofs()
538 bsize = AFFS_SB(sb)->s_data_blksize; in affs_do_read_folio_ofs()
547 tmp = min(bsize - boff, to - pos); in affs_do_read_folio_ofs()
561 struct super_block *sb = inode->i_sb; in affs_extent_file_ofs()
564 u32 size, bsize; in affs_extent_file_ofs() local
567 pr_debug("%s(%lu, %d)\n", __func__, inode->i_ino, newsize); in affs_extent_file_ofs()
568 bsize = AFFS_SB(sb)->s_data_blksize; in affs_extent_file_ofs()
570 size = AFFS_I(inode)->mmu_private; in affs_extent_file_ofs()
571 bidx = size / bsize; in affs_extent_file_ofs()
572 boff = size % bsize; in affs_extent_file_ofs()
577 tmp = min(bsize - boff, newsize - size); in affs_extent_file_ofs()
580 be32_add_cpu(&AFFS_DATA_HEAD(bh)->size, tmp); in affs_extent_file_ofs()
583 size += tmp; in affs_extent_file_ofs()
586 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_extent_file_ofs()
591 while (size < newsize) { in affs_extent_file_ofs()
596 tmp = min(bsize, newsize - size); in affs_extent_file_ofs()
598 AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA); in affs_extent_file_ofs()
599 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_extent_file_ofs()
600 AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx); in affs_extent_file_ofs()
601 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp); in affs_extent_file_ofs()
603 bh->b_state &= ~(1UL << BH_New); in affs_extent_file_ofs()
606 u32 tmp_next = be32_to_cpu(AFFS_DATA_HEAD(prev_bh)->next); in affs_extent_file_ofs()
610 "next block already set for %d (%d)", in affs_extent_file_ofs()
612 AFFS_DATA_HEAD(prev_bh)->next = cpu_to_be32(bh->b_blocknr); in affs_extent_file_ofs()
613 affs_adjust_checksum(prev_bh, bh->b_blocknr - tmp_next); in affs_extent_file_ofs()
617 size += bsize; in affs_extent_file_ofs()
621 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
625 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
631 struct inode *inode = folio->mapping->host; in affs_read_folio_ofs()
635 pr_debug("%s(%lu, %ld)\n", __func__, inode->i_ino, folio->index); in affs_read_folio_ofs()
637 if (folio_pos(folio) + to > inode->i_size) { in affs_read_folio_ofs()
638 to = inode->i_size - folio_pos(folio); in affs_read_folio_ofs()
653 struct inode *inode = mapping->host; in affs_write_begin_ofs()
658 pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos, in affs_write_begin_ofs()
660 if (pos > AFFS_I(inode)->mmu_private) { in affs_write_begin_ofs()
661 /* XXX: this probably leaves a too-big i_size in case of in affs_write_begin_ofs()
674 *pagep = &folio->page; in affs_write_begin_ofs()
693 struct inode *inode = mapping->host; in affs_write_end_ofs()
694 struct super_block *sb = inode->i_sb; in affs_write_end_ofs()
702 from = pos & (PAGE_SIZE - 1); in affs_write_end_ofs()
710 pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos, in affs_write_end_ofs()
712 bsize = AFFS_SB(sb)->s_data_blksize; in affs_write_end_ofs()
717 tmp = (folio->index << PAGE_SHIFT) + from; in affs_write_end_ofs()
726 tmp = min(bsize - boff, to - from); in affs_write_end_ofs()
729 be32_add_cpu(&AFFS_DATA_HEAD(bh)->size, tmp); in affs_write_end_ofs()
736 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_write_end_ofs()
749 AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA); in affs_write_end_ofs()
750 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
751 AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx); in affs_write_end_ofs()
752 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(bsize); in affs_write_end_ofs()
753 AFFS_DATA_HEAD(bh)->next = 0; in affs_write_end_ofs()
754 bh->b_state &= ~(1UL << BH_New); in affs_write_end_ofs()
756 u32 tmp_next = be32_to_cpu(AFFS_DATA_HEAD(prev_bh)->next); in affs_write_end_ofs()
760 "next block already set for %d (%d)", in affs_write_end_ofs()
762 AFFS_DATA_HEAD(prev_bh)->next = cpu_to_be32(bh->b_blocknr); in affs_write_end_ofs()
763 affs_adjust_checksum(prev_bh, bh->b_blocknr - tmp_next); in affs_write_end_ofs()
779 tmp = min(bsize, to - from); in affs_write_end_ofs()
783 AFFS_DATA_HEAD(bh)->ptype = cpu_to_be32(T_DATA); in affs_write_end_ofs()
784 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
785 AFFS_DATA_HEAD(bh)->sequence = cpu_to_be32(bidx); in affs_write_end_ofs()
786 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp); in affs_write_end_ofs()
787 AFFS_DATA_HEAD(bh)->next = 0; in affs_write_end_ofs()
788 bh->b_state &= ~(1UL << BH_New); in affs_write_end_ofs()
790 u32 tmp_next = be32_to_cpu(AFFS_DATA_HEAD(prev_bh)->next); in affs_write_end_ofs()
794 "next block already set for %d (%d)", in affs_write_end_ofs()
796 AFFS_DATA_HEAD(prev_bh)->next = cpu_to_be32(bh->b_blocknr); in affs_write_end_ofs()
797 affs_adjust_checksum(prev_bh, bh->b_blocknr - tmp_next); in affs_write_end_ofs()
800 } else if (be32_to_cpu(AFFS_DATA_HEAD(bh)->size) < tmp) in affs_write_end_ofs()
801 AFFS_DATA_HEAD(bh)->size = cpu_to_be32(tmp); in affs_write_end_ofs()
813 tmp = (folio->index << PAGE_SHIFT) + from; in affs_write_end_ofs()
814 if (tmp > inode->i_size) in affs_write_end_ofs()
815 inode->i_size = AFFS_I(inode)->mmu_private = tmp; in affs_write_end_ofs()
818 if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) { in affs_write_end_ofs()
819 AFFS_I(inode)->i_protect &= ~FIBF_ARCHIVED; in affs_write_end_ofs()
851 struct super_block *sb = inode->i_sb; in affs_free_prealloc()
853 pr_debug("free_prealloc(ino=%lu)\n", inode->i_ino); in affs_free_prealloc()
855 while (AFFS_I(inode)->i_pa_cnt) { in affs_free_prealloc()
856 AFFS_I(inode)->i_pa_cnt--; in affs_free_prealloc()
857 affs_free_block(sb, ++AFFS_I(inode)->i_lastalloc); in affs_free_prealloc()
861 /* Truncate (or enlarge) a file to the requested size. */
866 struct super_block *sb = inode->i_sb; in affs_truncate()
869 u32 size; in affs_truncate() local
874 inode->i_ino, AFFS_I(inode)->mmu_private, inode->i_size); in affs_truncate()
878 if (inode->i_size) { in affs_truncate()
879 last_blk = ((u32)inode->i_size - 1) / AFFS_SB(sb)->s_data_blksize; in affs_truncate()
880 ext = last_blk / AFFS_SB(sb)->s_hashsize; in affs_truncate()
883 if (inode->i_size > AFFS_I(inode)->mmu_private) { in affs_truncate()
884 struct address_space *mapping = inode->i_mapping; in affs_truncate()
887 loff_t isize = inode->i_size; in affs_truncate()
890 res = mapping->a_ops->write_begin(NULL, mapping, isize, 0, &page, &fsdata); in affs_truncate()
892 res = mapping->a_ops->write_end(NULL, mapping, isize, 0, 0, page, fsdata); in affs_truncate()
894 inode->i_size = AFFS_I(inode)->mmu_private; in affs_truncate()
897 } else if (inode->i_size == AFFS_I(inode)->mmu_private) in affs_truncate()
900 // lock cache in affs_truncate()
904 "unexpected read error for ext block %u (%ld)", in affs_truncate()
908 if (AFFS_I(inode)->i_lc) { in affs_truncate()
909 /* clear linear cache */ in affs_truncate()
910 i = (ext + 1) >> AFFS_I(inode)->i_lc_shift; in affs_truncate()
911 if (AFFS_I(inode)->i_lc_size > i) { in affs_truncate()
912 AFFS_I(inode)->i_lc_size = i; in affs_truncate()
914 AFFS_I(inode)->i_lc[i] = 0; in affs_truncate()
916 /* clear associative cache */ in affs_truncate()
918 if (AFFS_I(inode)->i_ac[i].ext >= ext) in affs_truncate()
919 AFFS_I(inode)->i_ac[i].ext = 0; in affs_truncate()
921 ext_key = be32_to_cpu(AFFS_TAIL(sb, ext_bh)->extension); in affs_truncate()
923 blkcnt = AFFS_I(inode)->i_blkcnt; in affs_truncate()
926 if (inode->i_size) { in affs_truncate()
927 i = last_blk % AFFS_SB(sb)->s_hashsize + 1; in affs_truncate()
930 AFFS_HEAD(ext_bh)->first_data = 0; in affs_truncate()
931 AFFS_HEAD(ext_bh)->block_count = cpu_to_be32(i); in affs_truncate()
932 size = AFFS_SB(sb)->s_hashsize; in affs_truncate()
933 if (size > blkcnt - blk + i) in affs_truncate()
934 size = blkcnt - blk + i; in affs_truncate()
935 for (; i < size; i++, blk++) { in affs_truncate()
939 AFFS_TAIL(sb, ext_bh)->extension = 0; in affs_truncate()
944 if (inode->i_size) { in affs_truncate()
945 AFFS_I(inode)->i_blkcnt = last_blk + 1; in affs_truncate()
946 AFFS_I(inode)->i_extcnt = ext + 1; in affs_truncate()
947 if (affs_test_opt(AFFS_SB(sb)->s_flags, SF_OFS)) { in affs_truncate()
952 "unexpected read error for last block %u (%ld)", in affs_truncate()
956 tmp = be32_to_cpu(AFFS_DATA_HEAD(bh)->next); in affs_truncate()
957 AFFS_DATA_HEAD(bh)->next = 0; in affs_truncate()
958 affs_adjust_checksum(bh, -tmp); in affs_truncate()
962 AFFS_I(inode)->i_blkcnt = 0; in affs_truncate()
963 AFFS_I(inode)->i_extcnt = 1; in affs_truncate()
965 AFFS_I(inode)->mmu_private = inode->i_size; in affs_truncate()
966 // unlock cache in affs_truncate()
970 size = AFFS_SB(sb)->s_hashsize; in affs_truncate()
971 if (size > blkcnt - blk) in affs_truncate()
972 size = blkcnt - blk; in affs_truncate()
973 for (i = 0; i < size; i++, blk++) in affs_truncate()
976 ext_key = be32_to_cpu(AFFS_TAIL(sb, ext_bh)->extension); in affs_truncate()
984 struct inode *inode = filp->f_mapping->host; in affs_file_fsync()
993 err = sync_blockdev(inode->i_sb->s_bdev); in affs_file_fsync()