Merge tag 'gfs2-v5.2.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fix from Andreas Gruenbacher:
"Fix rounding error in gfs2_iomap_page_prepare"
* tag 'gfs2-v5.2.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Fix rounding error in gfs2_iomap_page_prepare
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index c78ccaf..93ea1d5 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -991,9 +991,12 @@
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,
