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authorJiri Kosina <jkosina@suse.cz>2017-11-15 11:04:13 +0100
committerJiri Kosina <jkosina@suse.cz>2017-11-15 11:04:13 +0100
commit5cc619db5c34146ee821acd08382b9d78579b52e (patch)
treeee28e3cefdb35d56e33887f05db0a50589aa5883 /fs/block_dev.c
parentMerge branch 'for-4.14/upstream-fixes' into for-linus (diff)
parentHID: alps: add new U1 device ID (diff)
downloadlinux-5cc619db5c34146ee821acd08382b9d78579b52e.tar.xz
linux-5cc619db5c34146ee821acd08382b9d78579b52e.zip
Merge branch 'for-4.15/alps' into for-linus
- New ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook Stduio and HP Elite book x360) support from Masaki Ota
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 9941dc8342df..93d088ffc05c 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -223,7 +223,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
}
bio_init(&bio, vecs, nr_pages);
- bio.bi_bdev = bdev;
+ bio_set_dev(&bio, bdev);
bio.bi_iter.bi_sector = pos >> 9;
bio.bi_write_hint = iocb->ki_hint;
bio.bi_private = current;
@@ -362,7 +362,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
blk_start_plug(&plug);
for (;;) {
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio->bi_iter.bi_sector = pos >> 9;
bio->bi_write_hint = iocb->ki_hint;
bio->bi_private = dio;
@@ -1451,6 +1451,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
bdev->bd_disk = disk;
bdev->bd_queue = disk->queue;
bdev->bd_contains = bdev;
+ bdev->bd_partno = partno;
if (!partno) {
ret = -ENXIO;
@@ -1739,6 +1740,8 @@ static int blkdev_open(struct inode * inode, struct file * filp)
*/
filp->f_flags |= O_LARGEFILE;
+ filp->f_mode |= FMODE_NOWAIT;
+
if (filp->f_flags & O_NDELAY)
filp->f_mode |= FMODE_NDELAY;
if (filp->f_flags & O_EXCL)
@@ -1891,6 +1894,9 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (iocb->ki_pos >= size)
return -ENOSPC;
+ if ((iocb->ki_flags & (IOCB_NOWAIT | IOCB_DIRECT)) == IOCB_NOWAIT)
+ return -EOPNOTSUPP;
+
iov_iter_truncate(from, size - iocb->ki_pos);
blk_start_plug(&plug);