iomap: Add iomap_get_folio helper
authorAndreas Gruenbacher <agruenba@redhat.com>
Sun, 15 Jan 2023 16:49:04 +0000 (08:49 -0800)
committerDarrick J. Wong <djwong@kernel.org>
Wed, 18 Jan 2023 18:44:04 +0000 (10:44 -0800)
commit98321b5139f92a736a426404fb6e23bfb8feb9cc
tree5c0c9de0407eb5b7562d6d2b88b13f8d989d800c
parent40405dddd98a9a95585482af46b8e269f5ebe5df
iomap: Add iomap_get_folio helper

Add an iomap_get_folio() helper that gets a folio reference based on
an iomap iterator and an offset into the address space.  Use it in
iomap_write_begin().

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
fs/iomap/buffered-io.c
include/linux/iomap.h