diff options
| -rw-r--r-- | fs/f2fs/data.c | 4 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 972eab7ac071..f53826ec30f3 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -742,6 +742,10 @@ static int get_data_block_dio(struct inode *inode, sector_t iblock, static int get_data_block_bmap(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { + /* Block number less than F2FS MAX BLOCKS */ + if (unlikely(iblock >= max_file_size(0))) + return -EFBIG; + return __get_data_block(inode, iblock, bh_result, create, F2FS_GET_BLOCK_BMAP); } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 9db5500d63d9..3c7594b9d109 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1715,6 +1715,7 @@ static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) * super.c */ int f2fs_commit_super(struct f2fs_sb_info *, bool); +loff_t max_file_size(unsigned bits); int f2fs_sync_fs(struct super_block *, int); extern __printf(3, 4) void f2fs_msg(struct super_block *, const char *, const char *, ...); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 3a65e0132352..106dda1e743d 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -898,7 +898,7 @@ static const struct export_operations f2fs_export_ops = { .get_parent = f2fs_get_parent, }; -static loff_t max_file_size(unsigned bits) +loff_t max_file_size(unsigned bits) { loff_t result = (DEF_ADDRS_PER_INODE - F2FS_INLINE_XATTR_ADDRS); loff_t leaf_count = ADDRS_PER_BLOCK; |