mirror of https://gitee.com/openkylin/linux.git
f2fs: make max inline size changeable
This patch tries to make below macros calculating max inline size,
inline dentry field size considerring reserving size-changeable
space:
- MAX_INLINE_DATA
- NR_INLINE_DENTRY
- INLINE_DENTRY_BITMAP_SIZE
- INLINE_RESERVED_SIZE
Then, when inline_{data,dentry} options is enabled, it allows us to
reserve inline space with different size flexibly for adding newly
introduced inode attribute.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
Jaegeuk Kim
parent
e65ef20781
commit
f247037120
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@ -813,7 +813,7 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
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F2FS_GET_BLOCK_PRE_AIO :
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F2FS_GET_BLOCK_PRE_DIO);
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}
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if (iocb->ki_pos + iov_iter_count(from) > MAX_INLINE_DATA) {
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if (iocb->ki_pos + iov_iter_count(from) > MAX_INLINE_DATA(inode)) {
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err = f2fs_convert_inline_inode(inode);
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if (err)
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return err;
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@ -1857,7 +1857,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
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set_new_dnode(&dn, inode, ipage, ipage, 0);
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if (f2fs_has_inline_data(inode)) {
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if (pos + len <= MAX_INLINE_DATA) {
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if (pos + len <= MAX_INLINE_DATA(inode)) {
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read_inline_data(page, ipage);
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set_inode_flag(inode, FI_DATA_EXIST);
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if (inode->i_nlink)
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@ -357,6 +357,25 @@ struct f2fs_flush_device {
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u32 segments; /* # of segments to flush */
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};
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/* for inline stuff */
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#define DEF_INLINE_RESERVED_SIZE 1
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static inline int get_inline_reserved_size(struct inode *inode);
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#define MAX_INLINE_DATA(inode) (sizeof(__le32) * (DEF_ADDRS_PER_INODE -\
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get_inline_reserved_size(inode) -\
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F2FS_INLINE_XATTR_ADDRS))
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/* for inline dir */
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#define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
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((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
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BITS_PER_BYTE + 1))
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#define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \
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BITS_PER_BYTE - 1) / BITS_PER_BYTE)
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#define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
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((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
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NR_INLINE_DENTRY(inode) + \
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INLINE_DENTRY_BITMAP_SIZE(inode)))
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/*
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* For INODE and NODE manager
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*/
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@ -382,14 +401,19 @@ static inline void make_dentry_ptr_block(struct inode *inode,
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}
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static inline void make_dentry_ptr_inline(struct inode *inode,
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struct f2fs_dentry_ptr *d, struct f2fs_inline_dentry *t)
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struct f2fs_dentry_ptr *d, void *t)
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{
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int entry_cnt = NR_INLINE_DENTRY(inode);
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int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
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int reserved_size = INLINE_RESERVED_SIZE(inode);
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d->inode = inode;
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d->max = NR_INLINE_DENTRY;
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d->nr_bitmap = INLINE_DENTRY_BITMAP_SIZE;
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d->bitmap = &t->dentry_bitmap;
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d->dentry = t->dentry;
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d->filename = t->filename;
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d->max = entry_cnt;
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d->nr_bitmap = bitmap_size;
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d->bitmap = t;
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d->dentry = t + bitmap_size + reserved_size;
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d->filename = t + bitmap_size + reserved_size +
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SIZE_OF_DIR_ENTRY * entry_cnt;
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}
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/*
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@ -543,6 +567,8 @@ struct f2fs_inode_info {
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struct extent_tree *extent_tree; /* cached extent_tree entry */
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struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */
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struct rw_semaphore i_mmap_sem;
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int i_inline_reserved; /* reserved size in inline data */
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};
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static inline void get_extent_info(struct extent_info *ext,
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@ -2075,11 +2101,12 @@ static inline bool f2fs_is_drop_cache(struct inode *inode)
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return is_inode_flag_set(inode, FI_DROP_CACHE);
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}
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static inline void *inline_data_addr(struct page *page)
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static inline void *inline_data_addr(struct inode *inode, struct page *page)
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{
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struct f2fs_inode *ri = F2FS_INODE(page);
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int reserved_size = get_inline_reserved_size(inode);
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return (void *)&(ri->i_addr[1]);
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return (void *)&(ri->i_addr[reserved_size]);
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}
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static inline int f2fs_has_inline_dentry(struct inode *inode)
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@ -2170,6 +2197,11 @@ static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
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return kmalloc(size, flags);
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}
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static inline int get_inline_reserved_size(struct inode *inode)
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{
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return F2FS_I(inode)->i_inline_reserved;
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}
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#define get_inode_mode(i) \
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((is_inode_flag_set(i, FI_ACL_MODE)) ? \
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(F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
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@ -22,7 +22,7 @@ bool f2fs_may_inline_data(struct inode *inode)
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if (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))
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return false;
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if (i_size_read(inode) > MAX_INLINE_DATA)
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if (i_size_read(inode) > MAX_INLINE_DATA(inode))
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return false;
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if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
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@ -44,6 +44,7 @@ bool f2fs_may_inline_dentry(struct inode *inode)
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void read_inline_data(struct page *page, struct page *ipage)
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{
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struct inode *inode = page->mapping->host;
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void *src_addr, *dst_addr;
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if (PageUptodate(page))
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@ -51,12 +52,12 @@ void read_inline_data(struct page *page, struct page *ipage)
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f2fs_bug_on(F2FS_P_SB(page), page->index);
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zero_user_segment(page, MAX_INLINE_DATA, PAGE_SIZE);
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zero_user_segment(page, MAX_INLINE_DATA(inode), PAGE_SIZE);
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/* Copy the whole inline data block */
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src_addr = inline_data_addr(ipage);
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src_addr = inline_data_addr(inode, ipage);
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dst_addr = kmap_atomic(page);
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memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
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memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
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flush_dcache_page(page);
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kunmap_atomic(dst_addr);
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if (!PageUptodate(page))
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@ -67,13 +68,13 @@ void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from)
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{
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void *addr;
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if (from >= MAX_INLINE_DATA)
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if (from >= MAX_INLINE_DATA(inode))
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return;
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addr = inline_data_addr(ipage);
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addr = inline_data_addr(inode, ipage);
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f2fs_wait_on_page_writeback(ipage, NODE, true);
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memset(addr + from, 0, MAX_INLINE_DATA - from);
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memset(addr + from, 0, MAX_INLINE_DATA(inode) - from);
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set_page_dirty(ipage);
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if (from == 0)
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@ -216,8 +217,8 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
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f2fs_wait_on_page_writeback(dn.inode_page, NODE, true);
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src_addr = kmap_atomic(page);
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dst_addr = inline_data_addr(dn.inode_page);
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memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
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dst_addr = inline_data_addr(inode, dn.inode_page);
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memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
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kunmap_atomic(src_addr);
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set_page_dirty(dn.inode_page);
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@ -255,9 +256,9 @@ bool recover_inline_data(struct inode *inode, struct page *npage)
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f2fs_wait_on_page_writeback(ipage, NODE, true);
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src_addr = inline_data_addr(npage);
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dst_addr = inline_data_addr(ipage);
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memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
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src_addr = inline_data_addr(inode, npage);
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dst_addr = inline_data_addr(inode, ipage);
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memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
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set_inode_flag(inode, FI_INLINE_DATA);
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set_inode_flag(inode, FI_DATA_EXIST);
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@ -285,11 +286,11 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
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struct fscrypt_name *fname, struct page **res_page)
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{
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struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
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struct f2fs_inline_dentry *inline_dentry;
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struct qstr name = FSTR_TO_QSTR(&fname->disk_name);
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struct f2fs_dir_entry *de;
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struct f2fs_dentry_ptr d;
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struct page *ipage;
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void *inline_dentry;
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f2fs_hash_t namehash;
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ipage = get_node_page(sbi, dir->i_ino);
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@ -300,9 +301,9 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
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namehash = f2fs_dentry_hash(&name, fname);
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inline_dentry = inline_data_addr(ipage);
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inline_dentry = inline_data_addr(dir, ipage);
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make_dentry_ptr_inline(NULL, &d, inline_dentry);
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make_dentry_ptr_inline(dir, &d, inline_dentry);
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de = find_target_dentry(fname, namehash, NULL, &d);
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unlock_page(ipage);
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if (de)
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@ -316,19 +317,19 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
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int make_empty_inline_dir(struct inode *inode, struct inode *parent,
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struct page *ipage)
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{
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struct f2fs_inline_dentry *inline_dentry;
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struct f2fs_dentry_ptr d;
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void *inline_dentry;
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inline_dentry = inline_data_addr(ipage);
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inline_dentry = inline_data_addr(inode, ipage);
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make_dentry_ptr_inline(NULL, &d, inline_dentry);
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make_dentry_ptr_inline(inode, &d, inline_dentry);
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do_make_empty_dir(inode, parent, &d);
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set_page_dirty(ipage);
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/* update i_size to MAX_INLINE_DATA */
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if (i_size_read(inode) < MAX_INLINE_DATA)
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f2fs_i_size_write(inode, MAX_INLINE_DATA);
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if (i_size_read(inode) < MAX_INLINE_DATA(inode))
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f2fs_i_size_write(inode, MAX_INLINE_DATA(inode));
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return 0;
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}
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@ -337,7 +338,7 @@ int make_empty_inline_dir(struct inode *inode, struct inode *parent,
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* release ipage in this function.
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*/
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static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
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struct f2fs_inline_dentry *inline_dentry)
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void *inline_dentry)
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{
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struct page *page;
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struct dnode_of_data dn;
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@ -357,12 +358,12 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
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goto out;
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f2fs_wait_on_page_writeback(page, DATA, true);
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zero_user_segment(page, MAX_INLINE_DATA, PAGE_SIZE);
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zero_user_segment(page, MAX_INLINE_DATA(dir), PAGE_SIZE);
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dentry_blk = kmap_atomic(page);
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make_dentry_ptr_inline(NULL, &src, inline_dentry);
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make_dentry_ptr_block(NULL, &dst, dentry_blk);
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make_dentry_ptr_inline(dir, &src, inline_dentry);
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make_dentry_ptr_block(dir, &dst, dentry_blk);
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/* copy data from inline dentry block to new dentry block */
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memcpy(dst.bitmap, src.bitmap, src.nr_bitmap);
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@ -395,14 +396,13 @@ static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
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return err;
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}
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static int f2fs_add_inline_entries(struct inode *dir,
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struct f2fs_inline_dentry *inline_dentry)
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static int f2fs_add_inline_entries(struct inode *dir, void *inline_dentry)
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{
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struct f2fs_dentry_ptr d;
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unsigned long bit_pos = 0;
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int err = 0;
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make_dentry_ptr_inline(NULL, &d, inline_dentry);
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make_dentry_ptr_inline(dir, &d, inline_dentry);
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while (bit_pos < d.max) {
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struct f2fs_dir_entry *de;
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@ -444,19 +444,19 @@ static int f2fs_add_inline_entries(struct inode *dir,
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}
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static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
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struct f2fs_inline_dentry *inline_dentry)
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void *inline_dentry)
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{
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struct f2fs_inline_dentry *backup_dentry;
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void *backup_dentry;
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int err;
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backup_dentry = f2fs_kmalloc(F2FS_I_SB(dir),
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sizeof(struct f2fs_inline_dentry), GFP_F2FS_ZERO);
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MAX_INLINE_DATA(dir), GFP_F2FS_ZERO);
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if (!backup_dentry) {
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f2fs_put_page(ipage, 1);
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return -ENOMEM;
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}
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memcpy(backup_dentry, inline_dentry, MAX_INLINE_DATA);
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memcpy(backup_dentry, inline_dentry, MAX_INLINE_DATA(dir));
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truncate_inline_inode(dir, ipage, 0);
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unlock_page(ipage);
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@ -473,9 +473,9 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
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return 0;
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recover:
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lock_page(ipage);
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memcpy(inline_dentry, backup_dentry, MAX_INLINE_DATA);
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memcpy(inline_dentry, backup_dentry, MAX_INLINE_DATA(dir));
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f2fs_i_depth_write(dir, 0);
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f2fs_i_size_write(dir, MAX_INLINE_DATA);
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f2fs_i_size_write(dir, MAX_INLINE_DATA(dir));
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set_page_dirty(ipage);
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f2fs_put_page(ipage, 1);
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@ -484,7 +484,7 @@ static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
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}
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static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage,
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struct f2fs_inline_dentry *inline_dentry)
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void *inline_dentry)
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{
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if (!F2FS_I(dir)->i_dir_level)
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return f2fs_move_inline_dirents(dir, ipage, inline_dentry);
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@ -500,7 +500,7 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
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struct page *ipage;
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unsigned int bit_pos;
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f2fs_hash_t name_hash;
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struct f2fs_inline_dentry *inline_dentry = NULL;
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void *inline_dentry = NULL;
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struct f2fs_dentry_ptr d;
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int slots = GET_DENTRY_SLOTS(new_name->len);
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struct page *page = NULL;
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@ -510,8 +510,8 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
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if (IS_ERR(ipage))
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return PTR_ERR(ipage);
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inline_dentry = inline_data_addr(ipage);
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make_dentry_ptr_inline(NULL, &d, inline_dentry);
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inline_dentry = inline_data_addr(dir, ipage);
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make_dentry_ptr_inline(dir, &d, inline_dentry);
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bit_pos = room_for_filename(d.bitmap, slots, d.max);
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if (bit_pos >= d.max) {
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@ -557,8 +557,8 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
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void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
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struct inode *dir, struct inode *inode)
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{
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struct f2fs_inline_dentry *inline_dentry;
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struct f2fs_dentry_ptr d;
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void *inline_dentry;
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int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
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unsigned int bit_pos;
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int i;
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@ -566,8 +566,8 @@ void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
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lock_page(page);
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f2fs_wait_on_page_writeback(page, NODE, true);
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inline_dentry = inline_data_addr(page);
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make_dentry_ptr_inline(NULL, &d, inline_dentry);
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inline_dentry = inline_data_addr(dir, page);
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make_dentry_ptr_inline(dir, &d, inline_dentry);
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bit_pos = dentry - d.dentry;
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for (i = 0; i < slots; i++)
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@ -588,15 +588,15 @@ bool f2fs_empty_inline_dir(struct inode *dir)
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struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
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struct page *ipage;
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unsigned int bit_pos = 2;
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struct f2fs_inline_dentry *inline_dentry;
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void *inline_dentry;
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struct f2fs_dentry_ptr d;
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ipage = get_node_page(sbi, dir->i_ino);
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if (IS_ERR(ipage))
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return false;
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inline_dentry = inline_data_addr(ipage);
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make_dentry_ptr_inline(NULL, &d, inline_dentry);
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inline_dentry = inline_data_addr(dir, ipage);
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make_dentry_ptr_inline(dir, &d, inline_dentry);
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||||
|
||||
bit_pos = find_next_bit_le(d.bitmap, d.max, bit_pos);
|
||||
|
||||
|
|
@ -612,9 +612,9 @@ int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
|
|||
struct fscrypt_str *fstr)
|
||||
{
|
||||
struct inode *inode = file_inode(file);
|
||||
struct f2fs_inline_dentry *inline_dentry = NULL;
|
||||
struct page *ipage = NULL;
|
||||
struct f2fs_dentry_ptr d;
|
||||
void *inline_dentry = NULL;
|
||||
int err;
|
||||
|
||||
make_dentry_ptr_inline(inode, &d, inline_dentry);
|
||||
|
|
@ -626,7 +626,7 @@ int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
|
|||
if (IS_ERR(ipage))
|
||||
return PTR_ERR(ipage);
|
||||
|
||||
inline_dentry = inline_data_addr(ipage);
|
||||
inline_dentry = inline_data_addr(inode, ipage);
|
||||
|
||||
make_dentry_ptr_inline(inode, &d, inline_dentry);
|
||||
|
||||
|
|
@ -657,7 +657,7 @@ int f2fs_inline_data_fiemap(struct inode *inode,
|
|||
goto out;
|
||||
}
|
||||
|
||||
ilen = min_t(size_t, MAX_INLINE_DATA, i_size_read(inode));
|
||||
ilen = min_t(size_t, MAX_INLINE_DATA(inode), i_size_read(inode));
|
||||
if (start >= ilen)
|
||||
goto out;
|
||||
if (start + len < ilen)
|
||||
|
|
@ -666,7 +666,8 @@ int f2fs_inline_data_fiemap(struct inode *inode,
|
|||
|
||||
get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni);
|
||||
byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits;
|
||||
byteaddr += (char *)inline_data_addr(ipage) - (char *)F2FS_INODE(ipage);
|
||||
byteaddr += (char *)inline_data_addr(inode, ipage) -
|
||||
(char *)F2FS_INODE(ipage);
|
||||
err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags);
|
||||
out:
|
||||
f2fs_put_page(ipage, 1);
|
||||
|
|
|
|||
|
|
@ -87,9 +87,9 @@ static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
|
|||
|
||||
static void __recover_inline_status(struct inode *inode, struct page *ipage)
|
||||
{
|
||||
void *inline_data = inline_data_addr(ipage);
|
||||
void *inline_data = inline_data_addr(inode, ipage);
|
||||
__le32 *start = inline_data;
|
||||
__le32 *end = start + MAX_INLINE_DATA / sizeof(__le32);
|
||||
__le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32);
|
||||
|
||||
while (start < end) {
|
||||
if (*start++) {
|
||||
|
|
|
|||
|
|
@ -446,6 +446,9 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
|
|||
#endif
|
||||
/* Will be used by directory only */
|
||||
fi->i_dir_level = F2FS_SB(sb)->dir_level;
|
||||
|
||||
fi->i_inline_reserved = DEF_INLINE_RESERVED_SIZE;
|
||||
|
||||
return &fi->vfs_inode;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -206,9 +206,6 @@ struct f2fs_extent {
|
|||
#define F2FS_DATA_EXIST 0x08 /* file inline data exist flag */
|
||||
#define F2FS_INLINE_DOTS 0x10 /* file having implicit dot dentries */
|
||||
|
||||
#define MAX_INLINE_DATA (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \
|
||||
F2FS_INLINE_XATTR_ADDRS - 1))
|
||||
|
||||
struct f2fs_inode {
|
||||
__le16 i_mode; /* file mode */
|
||||
__u8 i_advise; /* file hints */
|
||||
|
|
@ -465,7 +462,7 @@ typedef __le32 f2fs_hash_t;
|
|||
#define MAX_DIR_BUCKETS (1 << ((MAX_DIR_HASH_DEPTH / 2) - 1))
|
||||
|
||||
/*
|
||||
* space utilization of regular dentry and inline dentry
|
||||
* space utilization of regular dentry and inline dentry (w/o extra reservation)
|
||||
* regular dentry inline dentry
|
||||
* bitmap 1 * 27 = 27 1 * 23 = 23
|
||||
* reserved 1 * 3 = 3 1 * 7 = 7
|
||||
|
|
@ -501,24 +498,6 @@ struct f2fs_dentry_block {
|
|||
__u8 filename[NR_DENTRY_IN_BLOCK][F2FS_SLOT_LEN];
|
||||
} __packed;
|
||||
|
||||
/* for inline dir */
|
||||
#define NR_INLINE_DENTRY (MAX_INLINE_DATA * BITS_PER_BYTE / \
|
||||
((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
|
||||
BITS_PER_BYTE + 1))
|
||||
#define INLINE_DENTRY_BITMAP_SIZE ((NR_INLINE_DENTRY + \
|
||||
BITS_PER_BYTE - 1) / BITS_PER_BYTE)
|
||||
#define INLINE_RESERVED_SIZE (MAX_INLINE_DATA - \
|
||||
((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
|
||||
NR_INLINE_DENTRY + INLINE_DENTRY_BITMAP_SIZE))
|
||||
|
||||
/* inline directory entry structure */
|
||||
struct f2fs_inline_dentry {
|
||||
__u8 dentry_bitmap[INLINE_DENTRY_BITMAP_SIZE];
|
||||
__u8 reserved[INLINE_RESERVED_SIZE];
|
||||
struct f2fs_dir_entry dentry[NR_INLINE_DENTRY];
|
||||
__u8 filename[NR_INLINE_DENTRY][F2FS_SLOT_LEN];
|
||||
} __packed;
|
||||
|
||||
/* file types used in inode_info->flags */
|
||||
enum {
|
||||
F2FS_FT_UNKNOWN,
|
||||
|
|
|
|||
Loading…
Reference in New Issue