diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r-- | fs/f2fs/f2fs.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index fe84e045e088..46646e47a2b0 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -145,7 +145,7 @@ struct cp_control { }; /* - * For CP/NAT/SIT/SSA readahead + * indicate meta/data type */ enum { META_CP, @@ -153,6 +153,8 @@ enum { META_SIT, META_SSA, META_POR, + DATA_GENERIC, + META_GENERIC, }; /* for the list of ino */ @@ -694,6 +696,7 @@ struct f2fs_io_info { block_t old_blkaddr; /* old block address before Cow */ struct page *page; /* page to be written */ struct page *encrypted_page; /* encrypted page */ + bool is_meta; /* indicate borrow meta inode mapping or not */ }; #define is_read_io(rw) (rw == READ) @@ -1929,6 +1932,39 @@ static inline void *f2fs_kvzalloc(size_t size, gfp_t flags) (pgofs - ADDRS_PER_INODE(inode) + ADDRS_PER_BLOCK) / \ ADDRS_PER_BLOCK * ADDRS_PER_BLOCK + ADDRS_PER_INODE(inode)) +#define __is_meta_io(fio) (PAGE_TYPE_OF_BIO(fio->type) == META && \ + (!is_read_io(fio->op) || fio->is_meta)) + +bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, + block_t blkaddr, int type); +void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); +static inline void verify_blkaddr(struct f2fs_sb_info *sbi, + block_t blkaddr, int type) +{ + if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { + f2fs_msg(sbi->sb, KERN_ERR, + "invalid blkaddr: %u, type: %d, run fsck to fix.", + blkaddr, type); + f2fs_bug_on(sbi, 1); + } +} + +static inline bool __is_valid_data_blkaddr(block_t blkaddr) +{ + if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR) + return false; + return true; +} + +static inline bool is_valid_data_blkaddr(struct f2fs_sb_info *sbi, + block_t blkaddr) +{ + if (!__is_valid_data_blkaddr(blkaddr)) + return false; + verify_blkaddr(sbi, blkaddr, DATA_GENERIC); + return true; +} + /* * file.c */ @@ -2114,7 +2150,8 @@ void f2fs_stop_checkpoint(struct f2fs_sb_info *, bool); struct page *grab_meta_page(struct f2fs_sb_info *, pgoff_t); struct page *get_meta_page(struct f2fs_sb_info *, pgoff_t); struct page *get_tmp_page(struct f2fs_sb_info *, pgoff_t); -bool is_valid_blkaddr(struct f2fs_sb_info *, block_t, int); +bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, + block_t blkaddr, int type); int ra_meta_pages(struct f2fs_sb_info *, block_t, int, int, bool); void ra_meta_pages_cond(struct f2fs_sb_info *, pgoff_t); long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long); |