diff options
| -rw-r--r-- | fs/gfs2/bmap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 73dfad70de66..4356cc2fb3f5 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1224,6 +1224,11 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, unsigned int shift = sdp->sd_sb.sb_bsize_shift; lblock = offset >> shift; lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; + if (lblock_stop > ip->i_di.di_blocks) { /* writing past the + last block */ + *alloc_required = 1; + return 0; + } } for (; lblock < lblock_stop; lblock += extlen) { |