Lines Matching refs:inode
18 static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext);
21 affs_file_open(struct inode *inode, struct file *filp) in affs_file_open() argument
24 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_open()
25 atomic_inc(&AFFS_I(inode)->i_opencnt); in affs_file_open()
30 affs_file_release(struct inode *inode, struct file *filp) in affs_file_release() argument
33 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_release()
35 if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) { in affs_file_release()
36 mutex_lock(&inode->i_mutex); in affs_file_release()
37 if (inode->i_size != AFFS_I(inode)->mmu_private) in affs_file_release()
38 affs_truncate(inode); in affs_file_release()
39 affs_free_prealloc(inode); in affs_file_release()
40 mutex_unlock(&inode->i_mutex); in affs_file_release()
47 affs_grow_extcache(struct inode *inode, u32 lc_idx) in affs_grow_extcache() argument
49 struct super_block *sb = inode->i_sb; in affs_grow_extcache()
54 if (!AFFS_I(inode)->i_lc) { in affs_grow_extcache()
58 AFFS_I(inode)->i_lc = (u32 *)ptr; in affs_grow_extcache()
59 AFFS_I(inode)->i_ac = (struct affs_ext_key *)(ptr + AFFS_CACHE_SIZE / 2); in affs_grow_extcache()
62 lc_max = AFFS_LC_SIZE << AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
64 if (AFFS_I(inode)->i_extcnt > lc_max) { in affs_grow_extcache()
68 lc_shift = AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
69 tmp = (AFFS_I(inode)->i_extcnt / AFFS_LC_SIZE) >> lc_shift; in affs_grow_extcache()
75 lc_idx >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
76 AFFS_I(inode)->i_lc_size >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
79 off = 1 << (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
81 AFFS_I(inode)->i_ac[i] = AFFS_I(inode)->i_ac[j]; in affs_grow_extcache()
83 AFFS_I(inode)->i_lc_shift = lc_shift; in affs_grow_extcache()
84 AFFS_I(inode)->i_lc_mask = lc_mask; in affs_grow_extcache()
88 i = AFFS_I(inode)->i_lc_size; in affs_grow_extcache()
89 AFFS_I(inode)->i_lc_size = lc_idx + 1; in affs_grow_extcache()
92 AFFS_I(inode)->i_lc[0] = inode->i_ino; in affs_grow_extcache()
95 key = AFFS_I(inode)->i_lc[i - 1]; in affs_grow_extcache()
96 j = AFFS_I(inode)->i_lc_mask + 1; in affs_grow_extcache()
106 AFFS_I(inode)->i_lc[i] = key; in affs_grow_extcache()
117 affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext) in affs_alloc_extblock() argument
119 struct super_block *sb = inode->i_sb; in affs_alloc_extblock()
123 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
136 AFFS_TAIL(sb, new_bh)->parent = cpu_to_be32(inode->i_ino); in affs_alloc_extblock()
139 mark_buffer_dirty_inode(new_bh, inode); in affs_alloc_extblock()
146 mark_buffer_dirty_inode(bh, inode); in affs_alloc_extblock()
148 AFFS_I(inode)->i_extcnt++; in affs_alloc_extblock()
149 mark_inode_dirty(inode); in affs_alloc_extblock()
155 affs_get_extblock(struct inode *inode, u32 ext) in affs_get_extblock() argument
158 struct buffer_head *bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock()
159 if (ext == AFFS_I(inode)->i_ext_last) in affs_get_extblock()
163 bh = affs_get_extblock_slow(inode, ext); in affs_get_extblock()
169 affs_get_extblock_slow(struct inode *inode, u32 ext) in affs_get_extblock_slow() argument
171 struct super_block *sb = inode->i_sb; in affs_get_extblock_slow()
177 if (ext == AFFS_I(inode)->i_ext_last + 1) { in affs_get_extblock_slow()
179 bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock_slow()
181 if (ext < AFFS_I(inode)->i_extcnt) in affs_get_extblock_slow()
183 BUG_ON(ext > AFFS_I(inode)->i_extcnt); in affs_get_extblock_slow()
184 bh = affs_alloc_extblock(inode, bh, ext); in affs_get_extblock_slow()
192 ext_key = inode->i_ino; in affs_get_extblock_slow()
196 if (ext >= AFFS_I(inode)->i_extcnt) { in affs_get_extblock_slow()
200 BUG_ON(ext > AFFS_I(inode)->i_extcnt); in affs_get_extblock_slow()
203 prev_bh = affs_get_extblock(inode, ext - 1); in affs_get_extblock_slow()
206 bh = affs_alloc_extblock(inode, prev_bh, ext); in affs_get_extblock_slow()
215 lc_idx = ext >> AFFS_I(inode)->i_lc_shift; in affs_get_extblock_slow()
216 lc_off = ext & AFFS_I(inode)->i_lc_mask; in affs_get_extblock_slow()
218 if (lc_idx >= AFFS_I(inode)->i_lc_size) { in affs_get_extblock_slow()
221 err = affs_grow_extcache(inode, lc_idx); in affs_get_extblock_slow()
229 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
235 if (AFFS_I(inode)->i_ac[ac_idx].ext == ext) { in affs_get_extblock_slow()
236 ext_key = AFFS_I(inode)->i_ac[ac_idx].key; in affs_get_extblock_slow()
245 if (AFFS_I(inode)->i_ac[idx].ext == tmp) { in affs_get_extblock_slow()
246 ext_key = AFFS_I(inode)->i_ac[idx].key; in affs_get_extblock_slow()
252 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
268 AFFS_I(inode)->i_ac[ac_idx].ext = ext; in affs_get_extblock_slow()
269 AFFS_I(inode)->i_ac[ac_idx].key = ext_key; in affs_get_extblock_slow()
281 affs_brelse(AFFS_I(inode)->i_ext_bh); in affs_get_extblock_slow()
282 AFFS_I(inode)->i_ext_last = ext; in affs_get_extblock_slow()
283 AFFS_I(inode)->i_ext_bh = bh; in affs_get_extblock_slow()
294 affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create) in affs_get_block() argument
296 struct super_block *sb = inode->i_sb; in affs_get_block()
300 pr_debug("%s(%lu, %llu)\n", __func__, inode->i_ino, in affs_get_block()
305 if (block >= AFFS_I(inode)->i_blkcnt) { in affs_get_block()
306 if (block > AFFS_I(inode)->i_blkcnt || !create) in affs_get_block()
312 affs_lock_ext(inode); in affs_get_block()
316 ext_bh = affs_get_extblock(inode, ext); in affs_get_block()
322 u32 blocknr = affs_alloc_block(inode, ext_bh->b_blocknr); in affs_get_block()
326 AFFS_I(inode)->mmu_private += AFFS_SB(sb)->s_data_blksize; in affs_get_block()
327 AFFS_I(inode)->i_blkcnt++; in affs_get_block()
351 affs_unlock_ext(inode); in affs_get_block()
355 affs_error(inode->i_sb, "get_block", "strange block request %llu", in affs_get_block()
360 affs_unlock_ext(inode); in affs_get_block()
367 affs_unlock_ext(inode); in affs_get_block()
383 struct inode *inode = mapping->host; in affs_write_failed() local
385 if (to > inode->i_size) { in affs_write_failed()
386 truncate_pagecache(inode, inode->i_size); in affs_write_failed()
387 affs_truncate(inode); in affs_write_failed()
396 struct inode *inode = mapping->host; in affs_direct_IO() local
403 if (AFFS_I(inode)->mmu_private < size) in affs_direct_IO()
407 ret = blockdev_direct_IO(iocb, inode, iter, offset, affs_get_block); in affs_direct_IO()
444 affs_bread_ino(struct inode *inode, int block, int create) in affs_bread_ino() argument
450 err = affs_get_block(inode, block, &tmp_bh, create); in affs_bread_ino()
452 bh = affs_bread(inode->i_sb, tmp_bh.b_blocknr); in affs_bread_ino()
463 affs_getzeroblk_ino(struct inode *inode, int block) in affs_getzeroblk_ino() argument
469 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getzeroblk_ino()
471 bh = affs_getzeroblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getzeroblk_ino()
482 affs_getemptyblk_ino(struct inode *inode, int block) in affs_getemptyblk_ino() argument
488 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getemptyblk_ino()
490 bh = affs_getemptyblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getemptyblk_ino()
503 struct inode *inode = page->mapping->host; in affs_do_readpage_ofs() local
504 struct super_block *sb = inode->i_sb; in affs_do_readpage_ofs()
511 pr_debug("%s(%lu, %ld, 0, %d)\n", __func__, inode->i_ino, in affs_do_readpage_ofs()
522 bh = affs_bread_ino(inode, bidx, 0); in affs_do_readpage_ofs()
539 affs_extent_file_ofs(struct inode *inode, u32 newsize) in affs_extent_file_ofs() argument
541 struct super_block *sb = inode->i_sb; in affs_extent_file_ofs()
547 pr_debug("%s(%lu, %d)\n", __func__, inode->i_ino, newsize); in affs_extent_file_ofs()
550 size = AFFS_I(inode)->mmu_private; in affs_extent_file_ofs()
554 bh = affs_bread_ino(inode, bidx, 0); in affs_extent_file_ofs()
562 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
566 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_extent_file_ofs()
573 bh = affs_getzeroblk_ino(inode, bidx); in affs_extent_file_ofs()
579 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_extent_file_ofs()
584 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
594 mark_buffer_dirty_inode(prev_bh, inode); in affs_extent_file_ofs()
601 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
605 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
612 struct inode *inode = page->mapping->host; in affs_readpage_ofs() local
616 pr_debug("%s(%lu, %ld)\n", __func__, inode->i_ino, page->index); in affs_readpage_ofs()
618 if (((page->index + 1) << PAGE_CACHE_SHIFT) > inode->i_size) { in affs_readpage_ofs()
619 to = inode->i_size & ~PAGE_CACHE_MASK; in affs_readpage_ofs()
634 struct inode *inode = mapping->host; in affs_write_begin_ofs() local
639 pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos, in affs_write_begin_ofs()
641 if (pos > AFFS_I(inode)->mmu_private) { in affs_write_begin_ofs()
645 err = affs_extent_file_ofs(inode, pos); in affs_write_begin_ofs()
672 struct inode *inode = mapping->host; in affs_write_end_ofs() local
673 struct super_block *sb = inode->i_sb; in affs_write_end_ofs()
689 pr_debug("%s(%lu, %llu, %llu)\n", __func__, inode->i_ino, pos, in affs_write_end_ofs()
700 bh = affs_bread_ino(inode, bidx, 0); in affs_write_end_ofs()
710 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
715 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_write_end_ofs()
723 bh = affs_getemptyblk_ino(inode, bidx); in affs_write_end_ofs()
729 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
743 mark_buffer_dirty_inode(prev_bh, inode); in affs_write_end_ofs()
748 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
755 bh = affs_bread_ino(inode, bidx, 1); in affs_write_end_ofs()
763 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
777 mark_buffer_dirty_inode(prev_bh, inode); in affs_write_end_ofs()
783 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
793 if (tmp > inode->i_size) in affs_write_end_ofs()
794 inode->i_size = AFFS_I(inode)->mmu_private = tmp; in affs_write_end_ofs()
819 affs_free_prealloc(struct inode *inode) in affs_free_prealloc() argument
821 struct super_block *sb = inode->i_sb; in affs_free_prealloc()
823 pr_debug("free_prealloc(ino=%lu)\n", inode->i_ino); in affs_free_prealloc()
825 while (AFFS_I(inode)->i_pa_cnt) { in affs_free_prealloc()
826 AFFS_I(inode)->i_pa_cnt--; in affs_free_prealloc()
827 affs_free_block(sb, ++AFFS_I(inode)->i_lastalloc); in affs_free_prealloc()
834 affs_truncate(struct inode *inode) in affs_truncate() argument
836 struct super_block *sb = inode->i_sb; in affs_truncate()
844 inode->i_ino, AFFS_I(inode)->mmu_private, inode->i_size); in affs_truncate()
848 if (inode->i_size) { in affs_truncate()
849 last_blk = ((u32)inode->i_size - 1) / AFFS_SB(sb)->s_data_blksize; in affs_truncate()
853 if (inode->i_size > AFFS_I(inode)->mmu_private) { in affs_truncate()
854 struct address_space *mapping = inode->i_mapping; in affs_truncate()
857 loff_t isize = inode->i_size; in affs_truncate()
864 inode->i_size = AFFS_I(inode)->mmu_private; in affs_truncate()
865 mark_inode_dirty(inode); in affs_truncate()
867 } else if (inode->i_size == AFFS_I(inode)->mmu_private) in affs_truncate()
871 ext_bh = affs_get_extblock(inode, ext); in affs_truncate()
878 if (AFFS_I(inode)->i_lc) { in affs_truncate()
880 i = (ext + 1) >> AFFS_I(inode)->i_lc_shift; in affs_truncate()
881 if (AFFS_I(inode)->i_lc_size > i) { in affs_truncate()
882 AFFS_I(inode)->i_lc_size = i; in affs_truncate()
884 AFFS_I(inode)->i_lc[i] = 0; in affs_truncate()
888 if (AFFS_I(inode)->i_ac[i].ext >= ext) in affs_truncate()
889 AFFS_I(inode)->i_ac[i].ext = 0; in affs_truncate()
893 blkcnt = AFFS_I(inode)->i_blkcnt; in affs_truncate()
896 if (inode->i_size) { in affs_truncate()
911 mark_buffer_dirty_inode(ext_bh, inode); in affs_truncate()
914 if (inode->i_size) { in affs_truncate()
915 AFFS_I(inode)->i_blkcnt = last_blk + 1; in affs_truncate()
916 AFFS_I(inode)->i_extcnt = ext + 1; in affs_truncate()
918 struct buffer_head *bh = affs_bread_ino(inode, last_blk, 0); in affs_truncate()
932 AFFS_I(inode)->i_blkcnt = 0; in affs_truncate()
933 AFFS_I(inode)->i_extcnt = 1; in affs_truncate()
935 AFFS_I(inode)->mmu_private = inode->i_size; in affs_truncate()
949 affs_free_prealloc(inode); in affs_truncate()
954 struct inode *inode = filp->f_mapping->host; in affs_file_fsync() local
957 err = filemap_write_and_wait_range(inode->i_mapping, start, end); in affs_file_fsync()
961 mutex_lock(&inode->i_mutex); in affs_file_fsync()
962 ret = write_inode_now(inode, 0); in affs_file_fsync()
963 err = sync_blockdev(inode->i_sb->s_bdev); in affs_file_fsync()
966 mutex_unlock(&inode->i_mutex); in affs_file_fsync()