The patch titled Subject: fs: direct-io: fix missing sdio->boundary has been added to the -mm tree. Its filename is fs-direct-io-fix-missing-sdio-boundary.patch
This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/fs-direct-io-fix-missing-sdio-boun... and later at https://ozlabs.org/~akpm/mmotm/broken-out/fs-direct-io-fix-missing-sdio-boun...
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------------------------------------------------------ From: Jack Qiu jack.qiu@huawei.com Subject: fs: direct-io: fix missing sdio->boundary
dio_send_cur_page() may clear sdio->boundary, so save it to avoid missing a boundary.
Link: https://lkml.kernel.org/r/20210322042253.38312-1-jack.qiu@huawei.com Fixes: b1058b981272 ("direct-io: submit bio after boundary buffer is added to it") Signed-off-by: Jack Qiu jack.qiu@huawei.com Reviewed-by: Jan Kara jack@suse.cz Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---
fs/direct-io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/fs/direct-io.c~fs-direct-io-fix-missing-sdio-boundary +++ a/fs/direct-io.c @@ -812,6 +812,7 @@ submit_page_section(struct dio *dio, str struct buffer_head *map_bh) { int ret = 0; + int boundary = sdio->boundary; /* dio_send_cur_page may clear it */
if (dio->op == REQ_OP_WRITE) { /* @@ -850,10 +851,10 @@ submit_page_section(struct dio *dio, str sdio->cur_page_fs_offset = sdio->block_in_file << sdio->blkbits; out: /* - * If sdio->boundary then we want to schedule the IO now to + * If boundary then we want to schedule the IO now to * avoid metadata seeks. */ - if (sdio->boundary) { + if (boundary) { ret = dio_send_cur_page(dio, sdio, map_bh); if (sdio->bio) dio_bio_submit(dio, sdio); _
Patches currently in -mm which might be from jack.qiu@huawei.com are
fs-direct-io-fix-missing-sdio-boundary.patch