diff options
| -rw-r--r-- | fs/gfs2/bmap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index c78ccaf83ef8..93ea1d529aa3 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -991,9 +991,12 @@ static void gfs2_write_unlock(struct inode *inode) static int gfs2_iomap_page_prepare(struct inode *inode, loff_t pos, unsigned len, struct iomap *iomap) { + unsigned int blockmask = i_blocksize(inode) - 1; struct gfs2_sbd *sdp = GFS2_SB(inode); + unsigned int blocks; - return gfs2_trans_begin(sdp, RES_DINODE + (len >> inode->i_blkbits), 0); + blocks = ((pos & blockmask) + len + blockmask) >> inode->i_blkbits; + return gfs2_trans_begin(sdp, RES_DINODE + blocks, 0); } static void gfs2_iomap_page_done(struct inode *inode, loff_t pos, |