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| author |   Jens Axboe <axboe@kernel.dk> | 2017-06-27 09:32:37 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-27 12:05:44 -0600 |
| commit | 0127251c45ae74befb21db17754a66f55feff6a8 (patch) | |
| tree | f349154b3243d2be8bc6ba7b8d1a76f9bb10a5ca /fs/ext4/page-io.c | |
| parent | fs: add support for buffered writeback to pass down write hints (diff) | |
| download | linux-dev-0127251c45ae74befb21db17754a66f55feff6a8.tar.xz linux-dev-0127251c45ae74befb21db17754a66f55feff6a8.zip | |
ext4: add support for passing in write hints for buffered writes
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/ext4/page-io.c')
| -rw-r--r-- | fs/ext4/page-io.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 930ca0fc9a0f..c2fce4478cca 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -350,6 +350,7 @@ void ext4_io_submit(struct ext4_io_submit *io) if (bio) { int io_op_flags = io->io_wbc->sync_mode == WB_SYNC_ALL ? REQ_SYNC : 0; + io->io_bio->bi_write_hint = io->io_end->inode->i_write_hint; bio_set_op_attrs(io->io_bio, REQ_OP_WRITE, io_op_flags); submit_bio(io->io_bio); } @@ -397,6 +398,7 @@ submit_and_retry: ret = io_submit_init_bio(io, bh); if (ret) return ret; + io->io_bio->bi_write_hint = inode->i_write_hint; } ret = bio_add_page(io->io_bio, page, bh->b_size, bh_offset(bh)); if (ret != bh->b_size) |