diff options
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 | ||||
| -rw-r--r-- | fs/f2fs/file.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/inline.c | 48 | ||||
| -rw-r--r-- | fs/f2fs/recovery.c | 8 | ||||
| -rw-r--r-- | include/linux/f2fs_fs.h | 3 |
5 files changed, 58 insertions, 5 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 0b6badadbfd8..07a7ae0d4413 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1015,6 +1015,7 @@ static inline int f2fs_readonly(struct super_block *sb) */ int f2fs_sync_file(struct file *, loff_t, loff_t, int); void truncate_data_blocks(struct dnode_of_data *); +int truncate_blocks(struct inode *, u64); void f2fs_truncate(struct inode *); int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *); int f2fs_setattr(struct dentry *, struct iattr *); @@ -1322,4 +1323,5 @@ bool f2fs_may_inline(struct inode *); int f2fs_read_inline_data(struct inode *, struct page *); int f2fs_convert_inline_data(struct inode *, pgoff_t); int f2fs_write_inline_data(struct inode *, struct page *, unsigned int); +int recover_inline_data(struct inode *, struct page *); #endif diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 68dd7bfce1a1..c77ad4d8b564 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -251,7 +251,7 @@ static void truncate_partial_data_page(struct inode *inode, u64 from) f2fs_put_page(page, 1); } -static int truncate_blocks(struct inode *inode, u64 from) +int truncate_blocks(struct inode *inode, u64 from) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); unsigned int blocksize = inode->i_sb->s_blocksize; diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 3c9261cd215f..2a756e57aed9 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -169,3 +169,51 @@ int f2fs_write_inline_data(struct inode *inode, return 0; } + +int recover_inline_data(struct inode *inode, struct page *npage) +{ + struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); + struct f2fs_inode *ri = NULL; + void *src_addr, *dst_addr; + struct page *ipage; + + /* + * The inline_data recovery policy is as follows. + * [prev.] [next] of inline_data flag + * o o -> recover inline_data + * o x -> remove inline_data, and then recover data blocks + * x o -> remove inline_data, and then recover inline_data + * x x -> recover data blocks + */ + if (IS_INODE(npage)) + ri = F2FS_INODE(npage); + + if (f2fs_has_inline_data(inode) && + ri && ri->i_inline & F2FS_INLINE_DATA) { +process_inline: + ipage = get_node_page(sbi, inode->i_ino); + f2fs_bug_on(IS_ERR(ipage)); + + src_addr = inline_data_addr(npage); + dst_addr = inline_data_addr(ipage); + memcpy(dst_addr, src_addr, MAX_INLINE_DATA); + update_inode(inode, ipage); + f2fs_put_page(ipage, 1); + return -1; + } + + if (f2fs_has_inline_data(inode)) { + ipage = get_node_page(sbi, inode->i_ino); + f2fs_bug_on(IS_ERR(ipage)); + zero_user_segment(ipage, INLINE_DATA_OFFSET, + INLINE_DATA_OFFSET + MAX_INLINE_DATA); + clear_inode_flag(F2FS_I(inode), FI_INLINE_DATA); + update_inode(inode, ipage); + f2fs_put_page(ipage, 1); + } else if (ri && ri->i_inline & F2FS_INLINE_DATA) { + truncate_blocks(inode, 0); + set_inode_flag(F2FS_I(inode), FI_INLINE_DATA); + goto process_inline; + } + return 0; +} diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 96e690b6f0fa..655791e518cf 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -298,6 +298,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, struct node_info ni; int err = 0, recovered = 0; + if (recover_inline_data(inode, page)) + goto out; + start = start_bidx_of_node(ofs_of_node(page), fi); if (IS_INODE(page)) end = start + ADDRS_PER_INODE(fi); @@ -305,12 +308,13 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, end = start + ADDRS_PER_BLOCK; f2fs_lock_op(sbi); + set_new_dnode(&dn, inode, NULL, NULL, 0); err = get_dnode_of_data(&dn, start, ALLOC_NODE); if (err) { f2fs_unlock_op(sbi); - return err; + goto out; } wait_on_page_writeback(dn.node_page); @@ -361,7 +365,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, err: f2fs_put_dnode(&dn); f2fs_unlock_op(sbi); - +out: f2fs_msg(sbi->sb, KERN_NOTICE, "recover_data: ino = %lx, " "recovered_data = %d blocks, err = %d", inode->i_ino, recovered, err); diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index aea5eedbb1ca..da74d878dc4f 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -155,12 +155,11 @@ struct f2fs_extent { #define F2FS_INLINE_XATTR 0x01 /* file inline xattr flag */ #define F2FS_INLINE_DATA 0x02 /* file inline data flag */ - #define MAX_INLINE_DATA (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \ F2FS_INLINE_XATTR_ADDRS - 1)) #define INLINE_DATA_OFFSET (PAGE_CACHE_SIZE - sizeof(struct node_footer) \ - - sizeof(__le32)*(DEF_ADDRS_PER_INODE + 5 - 1)) + - sizeof(__le32) * (DEF_ADDRS_PER_INODE + 5 - 1)) struct f2fs_inode { __le16 i_mode; /* file mode */ |