Allocate a multipage folio when copying data into the pagecache if possible if there's sufficient data to warrant it. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> cc: Jeff Layton <jlayton@xxxxxxxxxx> cc: linux-cachefs@xxxxxxxxxx cc: linux-fsdevel@xxxxxxxxxxxxxxx cc: linux-mm@xxxxxxxxx --- fs/netfs/buffered_write.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index 406c3f3666fa..4de6a12149e4 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -84,14 +84,19 @@ static enum netfs_how_to_modify netfs_how_to_modify(struct netfs_inode *ctx, } /* - * Grab a folio for writing and lock it. + * Grab a folio for writing and lock it. Attempt to allocate as large a folio + * as possible to hold as much of the remaining length as possible in one go. */ static struct folio *netfs_grab_folio_for_write(struct address_space *mapping, loff_t pos, size_t part) { pgoff_t index = pos / PAGE_SIZE; + fgf_t fgp_flags = FGP_WRITEBEGIN; - return __filemap_get_folio(mapping, index, FGP_WRITEBEGIN, + if (mapping_large_folio_support(mapping)) + fgp_flags |= fgf_set_order(pos % PAGE_SIZE + part); + + return __filemap_get_folio(mapping, index, fgp_flags, mapping_gfp_mask(mapping)); } -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/linux-cachefs