iomap: Remove FGP_NOFS from iomap_get_folio()#997
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FGP_NOFS is legacy; filesystems should be using memalloc_nofs_save/restore instead. We have it here in iomap because it was buried in grab_cache_page_write_begin() and we didn't want to change this behaviour as part of the folio transition. I have tested this with XFS and see no issues. Other filesystems (cc'd) may need to make adjustments. Please test with lockdep enabled. Cc: "Darrick J. Wong" <djwong@kernel.org> (iomap) Cc: Jens Axboe <axboe@kernel.dk> (block) Cc: Namjae Jeon <linkinjeon@kernel.org> (exfat, ntfs) Cc: Sungjong Seo <sj1557.seo@samsung.com> (exfat) Cc: Yuezhang Mo <yuezhang.mo@sony.com> (exfat) Cc: Miklos Szeredi <miklos@szeredi.hu> (fuse) Cc: Andreas Gruenbacher <agruenba@redhat.com> (gfs2) Cc: Hyunchul Lee <hyc.lee@gmail.com> (ntfs) Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> (ntfs3) Cc: Carlos Maiolino <cem@kernel.org> (xfs) Cc: Damien Le Moal <dlemoal@kernel.org> (zonefs) Cc: Naohiro Aota <naohiro.aota@wdc.com> (zonefs) Cc: Johannes Thumshirn <jth@kernel.org> (zonefs) Cc: linux-xfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org Cc: linux-block@vger.kernel.org Cc: fuse-devel@lists.linux.dev Cc: gfs2@lists.linux.dev Cc: ntfs3@lists.linux.dev Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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Pull request for series with
subject: iomap: Remove FGP_NOFS from iomap_get_folio()
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1116079