Lines Matching refs:inode
21 static int affs_grow_extcache(struct inode *inode, u32 lc_idx);
22 static struct buffer_head *affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext…
23 static inline struct buffer_head *affs_get_extblock(struct inode *inode, u32 ext);
24 static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext);
25 static int affs_file_open(struct inode *inode, struct file *filp);
26 static int affs_file_release(struct inode *inode, struct file *filp);
47 affs_file_open(struct inode *inode, struct file *filp) in affs_file_open() argument
50 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_open()
51 atomic_inc(&AFFS_I(inode)->i_opencnt); in affs_file_open()
56 affs_file_release(struct inode *inode, struct file *filp) in affs_file_release() argument
59 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt)); in affs_file_release()
61 if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) { in affs_file_release()
62 mutex_lock(&inode->i_mutex); in affs_file_release()
63 if (inode->i_size != AFFS_I(inode)->mmu_private) in affs_file_release()
64 affs_truncate(inode); in affs_file_release()
65 affs_free_prealloc(inode); in affs_file_release()
66 mutex_unlock(&inode->i_mutex); in affs_file_release()
73 affs_grow_extcache(struct inode *inode, u32 lc_idx) in affs_grow_extcache() argument
75 struct super_block *sb = inode->i_sb; in affs_grow_extcache()
80 if (!AFFS_I(inode)->i_lc) { in affs_grow_extcache()
84 AFFS_I(inode)->i_lc = (u32 *)ptr; in affs_grow_extcache()
85 AFFS_I(inode)->i_ac = (struct affs_ext_key *)(ptr + AFFS_CACHE_SIZE / 2); in affs_grow_extcache()
88 lc_max = AFFS_LC_SIZE << AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
90 if (AFFS_I(inode)->i_extcnt > lc_max) { in affs_grow_extcache()
94 lc_shift = AFFS_I(inode)->i_lc_shift; in affs_grow_extcache()
95 tmp = (AFFS_I(inode)->i_extcnt / AFFS_LC_SIZE) >> lc_shift; in affs_grow_extcache()
101 lc_idx >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
102 AFFS_I(inode)->i_lc_size >>= (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
105 off = 1 << (lc_shift - AFFS_I(inode)->i_lc_shift); in affs_grow_extcache()
107 AFFS_I(inode)->i_ac[i] = AFFS_I(inode)->i_ac[j]; in affs_grow_extcache()
109 AFFS_I(inode)->i_lc_shift = lc_shift; in affs_grow_extcache()
110 AFFS_I(inode)->i_lc_mask = lc_mask; in affs_grow_extcache()
114 i = AFFS_I(inode)->i_lc_size; in affs_grow_extcache()
115 AFFS_I(inode)->i_lc_size = lc_idx + 1; in affs_grow_extcache()
118 AFFS_I(inode)->i_lc[0] = inode->i_ino; in affs_grow_extcache()
121 key = AFFS_I(inode)->i_lc[i - 1]; in affs_grow_extcache()
122 j = AFFS_I(inode)->i_lc_mask + 1; in affs_grow_extcache()
132 AFFS_I(inode)->i_lc[i] = key; in affs_grow_extcache()
143 affs_alloc_extblock(struct inode *inode, struct buffer_head *bh, u32 ext) in affs_alloc_extblock() argument
145 struct super_block *sb = inode->i_sb; in affs_alloc_extblock()
149 blocknr = affs_alloc_block(inode, bh->b_blocknr); in affs_alloc_extblock()
162 AFFS_TAIL(sb, new_bh)->parent = cpu_to_be32(inode->i_ino); in affs_alloc_extblock()
165 mark_buffer_dirty_inode(new_bh, inode); in affs_alloc_extblock()
172 mark_buffer_dirty_inode(bh, inode); in affs_alloc_extblock()
174 AFFS_I(inode)->i_extcnt++; in affs_alloc_extblock()
175 mark_inode_dirty(inode); in affs_alloc_extblock()
181 affs_get_extblock(struct inode *inode, u32 ext) in affs_get_extblock() argument
184 struct buffer_head *bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock()
185 if (ext == AFFS_I(inode)->i_ext_last) in affs_get_extblock()
189 bh = affs_get_extblock_slow(inode, ext); in affs_get_extblock()
195 affs_get_extblock_slow(struct inode *inode, u32 ext) in affs_get_extblock_slow() argument
197 struct super_block *sb = inode->i_sb; in affs_get_extblock_slow()
203 if (ext == AFFS_I(inode)->i_ext_last + 1) { in affs_get_extblock_slow()
205 bh = AFFS_I(inode)->i_ext_bh; in affs_get_extblock_slow()
207 if (ext < AFFS_I(inode)->i_extcnt) in affs_get_extblock_slow()
209 if (ext > AFFS_I(inode)->i_extcnt) in affs_get_extblock_slow()
211 bh = affs_alloc_extblock(inode, bh, ext); in affs_get_extblock_slow()
219 ext_key = inode->i_ino; in affs_get_extblock_slow()
223 if (ext >= AFFS_I(inode)->i_extcnt) { in affs_get_extblock_slow()
227 if (ext > AFFS_I(inode)->i_extcnt) in affs_get_extblock_slow()
231 prev_bh = affs_get_extblock(inode, ext - 1); in affs_get_extblock_slow()
234 bh = affs_alloc_extblock(inode, prev_bh, ext); in affs_get_extblock_slow()
243 lc_idx = ext >> AFFS_I(inode)->i_lc_shift; in affs_get_extblock_slow()
244 lc_off = ext & AFFS_I(inode)->i_lc_mask; in affs_get_extblock_slow()
246 if (lc_idx >= AFFS_I(inode)->i_lc_size) { in affs_get_extblock_slow()
249 err = affs_grow_extcache(inode, lc_idx); in affs_get_extblock_slow()
257 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
263 if (AFFS_I(inode)->i_ac[ac_idx].ext == ext) { in affs_get_extblock_slow()
264 ext_key = AFFS_I(inode)->i_ac[ac_idx].key; in affs_get_extblock_slow()
273 if (AFFS_I(inode)->i_ac[idx].ext == tmp) { in affs_get_extblock_slow()
274 ext_key = AFFS_I(inode)->i_ac[idx].key; in affs_get_extblock_slow()
280 ext_key = AFFS_I(inode)->i_lc[lc_idx]; in affs_get_extblock_slow()
296 AFFS_I(inode)->i_ac[ac_idx].ext = ext; in affs_get_extblock_slow()
297 AFFS_I(inode)->i_ac[ac_idx].key = ext_key; in affs_get_extblock_slow()
309 affs_brelse(AFFS_I(inode)->i_ext_bh); in affs_get_extblock_slow()
310 AFFS_I(inode)->i_ext_last = ext; in affs_get_extblock_slow()
311 AFFS_I(inode)->i_ext_bh = bh; in affs_get_extblock_slow()
322 affs_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create) in affs_get_block() argument
324 struct super_block *sb = inode->i_sb; in affs_get_block()
328 pr_debug("AFFS: get_block(%u, %lu)\n", (u32)inode->i_ino, (unsigned long)block); in affs_get_block()
332 if (block >= AFFS_I(inode)->i_blkcnt) { in affs_get_block()
333 if (block > AFFS_I(inode)->i_blkcnt || !create) in affs_get_block()
339 affs_lock_ext(inode); in affs_get_block()
343 ext_bh = affs_get_extblock(inode, ext); in affs_get_block()
349 u32 blocknr = affs_alloc_block(inode, ext_bh->b_blocknr); in affs_get_block()
353 AFFS_I(inode)->mmu_private += AFFS_SB(sb)->s_data_blksize; in affs_get_block()
354 AFFS_I(inode)->i_blkcnt++; in affs_get_block()
376 affs_unlock_ext(inode); in affs_get_block()
380 affs_error(inode->i_sb,"get_block","strange block request %d", block); in affs_get_block()
384 affs_unlock_ext(inode); in affs_get_block()
391 affs_unlock_ext(inode); in affs_get_block()
430 affs_bread_ino(struct inode *inode, int block, int create) in affs_bread_ino() argument
436 err = affs_get_block(inode, block, &tmp_bh, create); in affs_bread_ino()
438 bh = affs_bread(inode->i_sb, tmp_bh.b_blocknr); in affs_bread_ino()
449 affs_getzeroblk_ino(struct inode *inode, int block) in affs_getzeroblk_ino() argument
455 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getzeroblk_ino()
457 bh = affs_getzeroblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getzeroblk_ino()
468 affs_getemptyblk_ino(struct inode *inode, int block) in affs_getemptyblk_ino() argument
474 err = affs_get_block(inode, block, &tmp_bh, 1); in affs_getemptyblk_ino()
476 bh = affs_getemptyblk(inode->i_sb, tmp_bh.b_blocknr); in affs_getemptyblk_ino()
489 struct inode *inode = page->mapping->host; in affs_do_readpage_ofs() local
490 struct super_block *sb = inode->i_sb; in affs_do_readpage_ofs()
496 pr_debug("AFFS: read_page(%u, %ld, %d, %d)\n", (u32)inode->i_ino, page->index, from, to); in affs_do_readpage_ofs()
506 bh = affs_bread_ino(inode, bidx, 0); in affs_do_readpage_ofs()
523 affs_extent_file_ofs(struct inode *inode, u32 newsize) in affs_extent_file_ofs() argument
525 struct super_block *sb = inode->i_sb; in affs_extent_file_ofs()
531 pr_debug("AFFS: extent_file(%u, %d)\n", (u32)inode->i_ino, newsize); in affs_extent_file_ofs()
534 size = AFFS_I(inode)->mmu_private; in affs_extent_file_ofs()
538 bh = affs_bread_ino(inode, bidx, 0); in affs_extent_file_ofs()
546 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
550 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_extent_file_ofs()
557 bh = affs_getzeroblk_ino(inode, bidx); in affs_extent_file_ofs()
563 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_extent_file_ofs()
568 mark_buffer_dirty_inode(bh, inode); in affs_extent_file_ofs()
575 mark_buffer_dirty_inode(prev_bh, inode); in affs_extent_file_ofs()
582 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
586 inode->i_size = AFFS_I(inode)->mmu_private = newsize; in affs_extent_file_ofs()
593 struct inode *inode = page->mapping->host; in affs_readpage_ofs() local
597 pr_debug("AFFS: read_page(%u, %ld)\n", (u32)inode->i_ino, page->index); in affs_readpage_ofs()
599 if (((page->index + 1) << PAGE_CACHE_SHIFT) > inode->i_size) { in affs_readpage_ofs()
600 to = inode->i_size & ~PAGE_CACHE_MASK; in affs_readpage_ofs()
615 struct inode *inode = mapping->host; in affs_write_begin_ofs() local
620 …pr_debug("AFFS: write_begin(%u, %llu, %llu)\n", (u32)inode->i_ino, (unsigned long long)pos, (unsig… in affs_write_begin_ofs()
621 if (pos > AFFS_I(inode)->mmu_private) { in affs_write_begin_ofs()
625 err = affs_extent_file_ofs(inode, pos); in affs_write_begin_ofs()
652 struct inode *inode = mapping->host; in affs_write_end_ofs() local
653 struct super_block *sb = inode->i_sb; in affs_write_end_ofs()
669 …pr_debug("AFFS: write_begin(%u, %llu, %llu)\n", (u32)inode->i_ino, (unsigned long long)pos, (unsig… in affs_write_end_ofs()
679 bh = affs_bread_ino(inode, bidx, 0); in affs_write_end_ofs()
687 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
692 bh = affs_bread_ino(inode, bidx - 1, 0); in affs_write_end_ofs()
698 bh = affs_getemptyblk_ino(inode, bidx); in affs_write_end_ofs()
704 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
715 mark_buffer_dirty_inode(prev_bh, inode); in affs_write_end_ofs()
720 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
727 bh = affs_bread_ino(inode, bidx, 1); in affs_write_end_ofs()
735 AFFS_DATA_HEAD(bh)->key = cpu_to_be32(inode->i_ino); in affs_write_end_ofs()
746 mark_buffer_dirty_inode(prev_bh, inode); in affs_write_end_ofs()
752 mark_buffer_dirty_inode(bh, inode); in affs_write_end_ofs()
762 if (tmp > inode->i_size) in affs_write_end_ofs()
763 inode->i_size = AFFS_I(inode)->mmu_private = tmp; in affs_write_end_ofs()
788 affs_free_prealloc(struct inode *inode) in affs_free_prealloc() argument
790 struct super_block *sb = inode->i_sb; in affs_free_prealloc()
792 pr_debug("AFFS: free_prealloc(ino=%lu)\n", inode->i_ino); in affs_free_prealloc()
794 while (AFFS_I(inode)->i_pa_cnt) { in affs_free_prealloc()
795 AFFS_I(inode)->i_pa_cnt--; in affs_free_prealloc()
796 affs_free_block(sb, ++AFFS_I(inode)->i_lastalloc); in affs_free_prealloc()
803 affs_truncate(struct inode *inode) in affs_truncate() argument
805 struct super_block *sb = inode->i_sb; in affs_truncate()
813 (u32)inode->i_ino, (u32)AFFS_I(inode)->mmu_private, (u32)inode->i_size); in affs_truncate()
817 if (inode->i_size) { in affs_truncate()
818 last_blk = ((u32)inode->i_size - 1) / AFFS_SB(sb)->s_data_blksize; in affs_truncate()
822 if (inode->i_size > AFFS_I(inode)->mmu_private) { in affs_truncate()
823 struct address_space *mapping = inode->i_mapping; in affs_truncate()
826 u32 size = inode->i_size; in affs_truncate()
833 inode->i_size = AFFS_I(inode)->mmu_private; in affs_truncate()
834 mark_inode_dirty(inode); in affs_truncate()
836 } else if (inode->i_size == AFFS_I(inode)->mmu_private) in affs_truncate()
840 ext_bh = affs_get_extblock(inode, ext); in affs_truncate()
846 if (AFFS_I(inode)->i_lc) { in affs_truncate()
848 i = (ext + 1) >> AFFS_I(inode)->i_lc_shift; in affs_truncate()
849 if (AFFS_I(inode)->i_lc_size > i) { in affs_truncate()
850 AFFS_I(inode)->i_lc_size = i; in affs_truncate()
852 AFFS_I(inode)->i_lc[i] = 0; in affs_truncate()
856 if (AFFS_I(inode)->i_ac[i].ext >= ext) in affs_truncate()
857 AFFS_I(inode)->i_ac[i].ext = 0; in affs_truncate()
861 blkcnt = AFFS_I(inode)->i_blkcnt; in affs_truncate()
864 if (inode->i_size) { in affs_truncate()
879 mark_buffer_dirty_inode(ext_bh, inode); in affs_truncate()
882 if (inode->i_size) { in affs_truncate()
883 AFFS_I(inode)->i_blkcnt = last_blk + 1; in affs_truncate()
884 AFFS_I(inode)->i_extcnt = ext + 1; in affs_truncate()
886 struct buffer_head *bh = affs_bread_ino(inode, last_blk, 0); in affs_truncate()
899 AFFS_I(inode)->i_blkcnt = 0; in affs_truncate()
900 AFFS_I(inode)->i_extcnt = 1; in affs_truncate()
902 AFFS_I(inode)->mmu_private = inode->i_size; in affs_truncate()
916 affs_free_prealloc(inode); in affs_truncate()