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gfs2: Fix rounding error in gfs2_iomap_page_prepare
authorAndreas Gruenbacher <agruenba@redhat.com>
Sat, 8 Jun 2019 12:09:02 +0000 (13:09 +0100)
committerAndreas Gruenbacher <agruenba@redhat.com>
Fri, 14 Jun 2019 16:49:07 +0000 (18:49 +0200)
commit2741b6723bf6f7d92d07c44bd6a09c6e37f3f949
tree08eb1d12ae5a2bd73fcb16112781e0cfd6a7a5d7
parentdc8ca9cc6e23054eb85599c9417ef2416848e7e8
gfs2: Fix rounding error in gfs2_iomap_page_prepare

The pos and len arguments to the iomap page_prepare callback are not
block aligned, so we need to take that into account when computing the
number of blocks.

Fixes: d0a22a4b03b8 ("gfs2: Fix iomap write page reclaim deadlock")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
fs/gfs2/bmap.c