On 13.12.2017 00:09, Liu Bo wrote: > On Tue, Dec 12, 2017 at 07:52:38PM +0100, David Sterba wrote: >> On Mon, Dec 11, 2017 at 02:57:56PM -0800, Liu Bo wrote: >>> On Mon, Dec 11, 2017 at 04:38:48PM +0200, Nikolay Borisov wrote: >>>> This code was added in 492bb6deee34 ("Btrfs: Hold a reference on bios >>>> during submit_bio, add some extra bio checks"). However, holding a >>>> reference on a bio is necessary only if it's going to be referenced >>>> after the submit_bio returns and the bio is completed. In this >>>> particular instance this is not the case so there is no need to hold >>>> an extra reference since we directly return. >>>> >>> >>> Looks good. If possible, please also drop other unnecessary bio_get() >>> in btrfs. >> >> You mean everywhere with similar context like in this patch? >> > > Right, there're several places where bio_get() is put before running > functions but bio_put() is also put immediately without referencing > bio.
I've already created patches for those and put them through fstests. Will send them later > > thanks, > -liubo > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html