Subject: + fs-direct-io-remove-redundant-comparison.patch added to -mm tree To: guz.fnst@xxxxxxxxxxxxxx,jmoyer@xxxxxxxxxx,viro@xxxxxxxxxxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Fri, 21 Feb 2014 12:24:28 -0800 The patch titled Subject: fs/direct-io: remove redundant comparison has been added to the -mm tree. Its filename is fs-direct-io-remove-redundant-comparison.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/fs-direct-io-remove-redundant-comparison.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/fs-direct-io-remove-redundant-comparison.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx> Subject: fs/direct-io: remove redundant comparison The return value of bio_get_nr_vecs() cannot be bigger than BIO_MAX_PAGES, so we can remove redundant the comparison between nr_pages and BIO_MAX_PAGES. Signed-off-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/direct-io.c | 1 - 1 file changed, 1 deletion(-) diff -puN fs/direct-io.c~fs-direct-io-remove-redundant-comparison fs/direct-io.c --- a/fs/direct-io.c~fs-direct-io-remove-redundant-comparison +++ a/fs/direct-io.c @@ -664,7 +664,6 @@ static inline int dio_new_bio(struct dio goto out; sector = start_sector << (sdio->blkbits - 9); nr_pages = min(sdio->pages_in_io, bio_get_nr_vecs(map_bh->b_bdev)); - nr_pages = min(nr_pages, BIO_MAX_PAGES); BUG_ON(nr_pages <= 0); dio_bio_alloc(dio, sdio, map_bh->b_bdev, sector, nr_pages); sdio->boundary = 0; _ Patches currently in -mm which might be from guz.fnst@xxxxxxxxxxxxxx are fs-direct-io-remove-redundant-comparison.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html