Lines Matching refs:inode
19 static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext);
22 affs_file_open(struct inode *inode, struct file *filp) in affs_file_open() argument
25 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_open()
26 atomic_inc(&AFFS_I(inode)->i_opencnt); in affs_file_open()
31 affs_file_release(struct inode *inode, struct file *filp) in affs_file_release() argument
34 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_release()
36 if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) { in affs_file_release()
37 inode_lock(inode); in affs_file_release()
38 if (inode->i_size != AFFS_I(inode)->mmu_private) in affs_file_release()
39 affs_truncate(inode); in affs_file_release()
40 affs_free_prealloc(inode); in affs_file_release()
41 inode_unlock(inode); in affs_file_release()
48 affs_grow_extcache(struct inode *inode, u32 lc_idx) in affs_grow_extcache() argument
50 struct super_block *sb = inode->i_sb; in affs_grow_extcache()
55 if (!AFFS_I(inode)->i_lc) { in affs_grow_extcache()
59 AFFS_I(inode)->i_lc = (u32 *)ptr; in affs_grow_extcache()
60 AFFS_I(inode)->i_ac = (struct affs_ext_key *)(ptr + AFFS_CACHE_SIZE / 2); in affs_grow_extcache()
63 lc_max = AFFS_LC_SIZE << AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
65 if (AFFS_I(inode)->i_extcnt > lc_max) { in affs_grow_extcache()
69 lc_shift = AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
70 tmp = (AFFS_I(inode)->i_extcnt / AFFS_LC_SIZE) >> lc_shift; in affs_grow_extcache()
76 lc_idx >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
77 AFFS_I(inode)->i_lc_size >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
80 off = 1 << (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
82 AFFS_I(inode)->i_ac[i] = AFFS_I(inode)->i_ac[j]; in affs_grow_extcache()
84 AFFS_I(inode)->i_lc_shift = lc_shift; in affs_grow_extcache()
85 AFFS_I(inode)->i_lc_mask = lc_mask; in affs_grow_extcache()
89 i = AFFS_I(inode)->i_lc_size; in affs_grow_extcache()
90 AFFS_I(inode)->i_lc_size = lc_idx + 1; in affs_grow_extcache()
93 AFFS_I(inode)->i_lc[0] = inode->i_ino; in affs_grow_extcache()
96 key = AFFS_I(inode)->i_lc[i - 1]; in affs_grow_extcache()
97 j = AFFS_I(inode)->i_lc_mask + 1; in affs_grow_extcache()
107 AFFS_I(inode)->i_lc[i] = key; in affs_grow_extcache()
118 affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext) in affs_alloc_extblock() argument
120 struct super_block *sb = inode->i_sb; in affs_alloc_extblock()
124 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
137 AFFS_TAIL(sb, new_bh)->parent = cpu_to_be32(inode->i_ino); in affs_alloc_extblock()
140 mark_buffer_dirty_inode(new_bh, inode); in affs_alloc_extblock()
147 mark_buffer_dirty_inode(bh, inode); in affs_alloc_extblock()
149 AFFS_I(inode)->i_extcnt++; in affs_alloc_extblock()
150 mark_inode_dirty(inode); in affs_alloc_extblock()
156 affs_get_extblock(struct inode *inode, u32 ext) in affs_get_extblock() argument
159 struct buffer_head *bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock()
160 if (ext == AFFS_I(inode)->i_ext_last) in affs_get_extblock()
164 bh = affs_get_extblock_slow(inode, ext); in affs_get_extblock()
170 affs_get_extblock_slow(struct inode *inode, u32 ext) in affs_get_extblock_slow() argument
172 struct super_block *sb = inode->i_sb; in affs_get_extblock_slow()
178 if (ext == AFFS_I(inode)->i_ext_last + 1) { in affs_get_extblock_slow()
180 bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock_slow()
182 if (ext < AFFS_I(inode)->i_extcnt) in affs_get_extblock_slow()
184 BUG_ON(ext > AFFS_I(inode)->i_extcnt); in affs_get_extblock_slow()
185 bh = affs_alloc_extblock(inode, bh, ext); in affs_get_extblock_slow()
193 ext_key = inode->i_ino; in affs_get_extblock_slow()
197 if (ext >= AFFS_I(inode)->i_extcnt) { in affs_get_extblock_slow()
201 BUG_ON(ext > AFFS_I(inode)->i_extcnt); in affs_get_extblock_slow()
204 prev_bh = affs_get_extblock(inode, ext - 1); in affs_get_extblock_slow()
207 bh = affs_alloc_extblock(inode, prev_bh, ext); in affs_get_extblock_slow()
216 lc_idx = ext >> AFFS_I(inode)->i_lc_shift; in affs_get_extblock_slow()
217 lc_off = ext & AFFS_I(inode)->i_lc_mask; in affs_get_extblock_slow()
219 if (lc_idx >= AFFS_I(inode)->i_lc_size) { in affs_get_extblock_slow()
222 err = affs_grow_extcache(inode, lc_idx); in affs_get_extblock_slow()
230 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
236 if (AFFS_I(inode)->i_ac[ac_idx].ext == ext) { in affs_get_extblock_slow()
237 ext_key = AFFS_I(inode)->i_ac[ac_idx].key; in affs_get_extblock_slow()
246 if (AFFS_I(inode)->i_ac[idx].ext == tmp) { in affs_get_extblock_slow()
247 ext_key = AFFS_I(inode)->i_ac[idx].key; in affs_get_extblock_slow()
253 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
269 AFFS_I(inode)->i_ac[ac_idx].ext = ext; in affs_get_extblock_slow()
270 AFFS_I(inode)->i_ac[ac_idx].key = ext_key; in affs_get_extblock_slow()
282 affs_brelse(AFFS_I(inode)->i_ext_bh); in affs_get_extblock_slow()
283 AFFS_I(inode)->i_ext_last = ext; in affs_get_extblock_slow()
284 AFFS_I(inode)->i_ext_bh = bh; in affs_get_extblock_slow()
295 affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create) in affs_get_block() argument
297 struct super_block *sb = inode->i_sb; in affs_get_block()
301 pr_debug("%s(%lu, %llu)\n", __func__, inode->i_ino, in affs_get_block()
306 if (block >= AFFS_I(inode)->i_blkcnt) { in affs_get_block()
307 if (block > AFFS_I(inode)->i_blkcnt || !create) in affs_get_block()
313 affs_lock_ext(inode); in affs_get_block()
317 ext_bh = affs_get_extblock(inode, ext); in affs_get_block()
323 u32 blocknr = affs_alloc_block(inode, ext_bh->b_blocknr); in affs_get_block()
327 AFFS_I(inode)->mmu_private += AFFS_SB(sb)->s_data_blksize; in affs_get_block()
328 AFFS_I(inode)->i_blkcnt++; in affs_get_block()
352 affs_unlock_ext(inode); in affs_get_block()
356 affs_error(inode->i_sb, "get_block", "strange block request %llu", in affs_get_block()
361 affs_unlock_ext(inode); in affs_get_block()
368 affs_unlock_ext(inode); in affs_get_block()
384 struct inode *inode = mapping->host; in affs_write_failed() local
386 if (to > inode->i_size) { in affs_write_failed()
387 truncate_pagecache(inode, inode->i_size); in affs_write_failed()
388 affs_truncate(inode); in affs_write_failed()
397 struct inode *inode = mapping->host; in affs_direct_IO() local
405 if (AFFS_I(inode)->mmu_private < size) in affs_direct_IO()
409 ret = blockdev_direct_IO(iocb, inode, iter, affs_get_block); in affs_direct_IO()
446 affs_bread_ino(struct inode *inode, int block, int create) in affs_bread_ino() argument
452 err = affs_get_block(inode, block, &tmp_bh, create); in affs_bread_ino()
454 bh = affs_bread(inode->i_sb, tmp_bh.b_blocknr); in affs_bread_ino()
465 affs_getzeroblk_ino(struct inode *inode, int block) in affs_getzeroblk_ino() argument
471 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getzeroblk_ino()
473 bh = affs_getzeroblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getzeroblk_ino()
484 affs_getemptyblk_ino(struct inode *inode, int block) in affs_getemptyblk_ino() argument
490 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getemptyblk_ino()
492 bh = affs_getemptyblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getemptyblk_ino()
505 struct inode *inode = page->mapping->host; in affs_do_readpage_ofs() local
506 struct super_block *sb = inode->i_sb; in affs_do_readpage_ofs()
513 pr_debug("%s(%lu, %ld, 0, %d)\n", __func__, inode->i_ino, in affs_do_readpage_ofs()
522 bh = affs_bread_ino(inode, bidx, create); in affs_do_readpage_ofs()
540 affs_extent_file_ofs(struct inode *inode, u32 newsize) in affs_extent_file_ofs() argument
542 struct super_block *sb = inode->i_sb; in affs_extent_file_ofs()
548 pr_debug("%s(%lu, %d)\n", __func__, inode->i_ino, newsize); in affs_extent_file_ofs()
551 size = AFFS_I(inode)->mmu_private; in affs_extent_file_ofs()
555 bh = affs_bread_ino(inode, bidx, 0); in affs_extent_file_ofs()
563 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
567 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_extent_file_ofs()
574 bh = affs_getzeroblk_ino(inode, bidx); in affs_extent_file_ofs()
580 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_extent_file_ofs()
585 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
595 mark_buffer_dirty_inode(prev_bh, inode); in affs_extent_file_ofs()
602 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
606 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
613 struct inode *inode = page->mapping->host; in affs_readpage_ofs() local
617 pr_debug("%s(%lu, %ld)\n", __func__, inode->i_ino, page->index); in affs_readpage_ofs()
619 if (((page->index + 1) << PAGE_SHIFT) > inode->i_size) { in affs_readpage_ofs()
620 to = inode->i_size & ~PAGE_MASK; in affs_readpage_ofs()
635 struct inode *inode = mapping->host; in affs_write_begin_ofs() local
640 pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos, in affs_write_begin_ofs()
642 if (pos > AFFS_I(inode)->mmu_private) { in affs_write_begin_ofs()
646 err = affs_extent_file_ofs(inode, pos); in affs_write_begin_ofs()
673 struct inode *inode = mapping->host; in affs_write_end_ofs() local
674 struct super_block *sb = inode->i_sb; in affs_write_end_ofs()
690 pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos, in affs_write_end_ofs()
701 bh = affs_bread_ino(inode, bidx, 0); in affs_write_end_ofs()
711 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
716 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_write_end_ofs()
724 bh = affs_getemptyblk_ino(inode, bidx); in affs_write_end_ofs()
730 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
744 mark_buffer_dirty_inode(prev_bh, inode); in affs_write_end_ofs()
749 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
756 bh = affs_bread_ino(inode, bidx, 1); in affs_write_end_ofs()
764 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
778 mark_buffer_dirty_inode(prev_bh, inode); in affs_write_end_ofs()
784 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
794 if (tmp > inode->i_size) in affs_write_end_ofs()
795 inode->i_size = AFFS_I(inode)->mmu_private = tmp; in affs_write_end_ofs()
820 affs_free_prealloc(struct inode *inode) in affs_free_prealloc() argument
822 struct super_block *sb = inode->i_sb; in affs_free_prealloc()
824 pr_debug("free_prealloc(ino=%lu)\n", inode->i_ino); in affs_free_prealloc()
826 while (AFFS_I(inode)->i_pa_cnt) { in affs_free_prealloc()
827 AFFS_I(inode)->i_pa_cnt--; in affs_free_prealloc()
828 affs_free_block(sb, ++AFFS_I(inode)->i_lastalloc); in affs_free_prealloc()
835 affs_truncate(struct inode *inode) in affs_truncate() argument
837 struct super_block *sb = inode->i_sb; in affs_truncate()
845 inode->i_ino, AFFS_I(inode)->mmu_private, inode->i_size); in affs_truncate()
849 if (inode->i_size) { in affs_truncate()
850 last_blk = ((u32)inode->i_size - 1) / AFFS_SB(sb)->s_data_blksize; in affs_truncate()
854 if (inode->i_size > AFFS_I(inode)->mmu_private) { in affs_truncate()
855 struct address_space *mapping = inode->i_mapping; in affs_truncate()
858 loff_t isize = inode->i_size; in affs_truncate()
865 inode->i_size = AFFS_I(inode)->mmu_private; in affs_truncate()
866 mark_inode_dirty(inode); in affs_truncate()
868 } else if (inode->i_size == AFFS_I(inode)->mmu_private) in affs_truncate()
872 ext_bh = affs_get_extblock(inode, ext); in affs_truncate()
879 if (AFFS_I(inode)->i_lc) { in affs_truncate()
881 i = (ext + 1) >> AFFS_I(inode)->i_lc_shift; in affs_truncate()
882 if (AFFS_I(inode)->i_lc_size > i) { in affs_truncate()
883 AFFS_I(inode)->i_lc_size = i; in affs_truncate()
885 AFFS_I(inode)->i_lc[i] = 0; in affs_truncate()
889 if (AFFS_I(inode)->i_ac[i].ext >= ext) in affs_truncate()
890 AFFS_I(inode)->i_ac[i].ext = 0; in affs_truncate()
894 blkcnt = AFFS_I(inode)->i_blkcnt; in affs_truncate()
897 if (inode->i_size) { in affs_truncate()
912 mark_buffer_dirty_inode(ext_bh, inode); in affs_truncate()
915 if (inode->i_size) { in affs_truncate()
916 AFFS_I(inode)->i_blkcnt = last_blk + 1; in affs_truncate()
917 AFFS_I(inode)->i_extcnt = ext + 1; in affs_truncate()
919 struct buffer_head *bh = affs_bread_ino(inode, last_blk, 0); in affs_truncate()
933 AFFS_I(inode)->i_blkcnt = 0; in affs_truncate()
934 AFFS_I(inode)->i_extcnt = 1; in affs_truncate()
936 AFFS_I(inode)->mmu_private = inode->i_size; in affs_truncate()
950 affs_free_prealloc(inode); in affs_truncate()
955 struct inode *inode = filp->f_mapping->host; in affs_file_fsync() local
962 inode_lock(inode); in affs_file_fsync()
963 ret = write_inode_now(inode, 0); in affs_file_fsync()
964 err = sync_blockdev(inode->i_sb->s_bdev); in affs_file_fsync()
967 inode_unlock(inode); in affs_file_fsync()