diff options
Diffstat (limited to 'fs/gfs2/inode.h')
| -rw-r--r-- | fs/gfs2/inode.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index 300ada3f21de..15ff4df20aab 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -80,6 +80,19 @@ static inline void gfs2_inum_out(const struct gfs2_inode *ip, dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr); } +static inline int gfs2_check_internal_file_size(struct inode *inode, + u64 minsize, u64 maxsize) +{ + u64 size = i_size_read(inode); + if (size < minsize || size > maxsize) + goto err; + if (size & ((1 << inode->i_blkbits) - 1)) + goto err; + return 0; +err: + gfs2_consist_inode(GFS2_I(inode)); + return -EIO; +} extern void gfs2_set_iop(struct inode *inode); extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, |