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(parent: 11ab831) | patch
mm: clean up error handling in write_one_page
authorJeff Layton <jlayton@redhat.com>
Wed, 5 Jul 2017 19:17:19 +0000 (15:17 -0400)
committerJeff Layton <jlayton@redhat.com>
Wed, 5 Jul 2017 22:44:22 +0000 (18:44 -0400)
commit37e51a7640c275999ea0c35410c42e6d896ff7fa
tree15188bac299755b313c6881d6d6793d0fdaab611tree | snapshot (tar.gz zip)
parent11ab83190828cb7b2cbb26467f2eecf74f0214c3commit | diff
mm: clean up error handling in write_one_page

Don't try to check PageError since that's potentially racy and not
necessarily going to be set after writepage errors out.

Instead, check the mapping for an error after writepage returns. That
should also help us detect errors that occurred if the VM tried to
clean the page earlier due to memory pressure.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
mm/page-writeback.c diff | blob | blame | history