diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-13 10:20:59 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-13 10:20:59 -0300 |
| commit | 1aa77e716c6f2332f2d4664f747ff4eba731825b (patch) | |
| tree | bffb043cec73da6c79d4ec652e531f86344b160b /block/bdev.c | |
| parent | c0dd94558d0e473aa92254e1c48a47900c911e69 (diff) | |
| parent | 455e73a07f6e288b0061dfcf4fcf54fa9fe06458 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes and get in line with other trees, powerpc kernel
mostly this time, but BPF as well.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'block/bdev.c')
| -rw-r--r-- | block/bdev.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/block/bdev.c b/block/bdev.c index b1d087e5e205..8bf93a19041b 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -665,7 +665,7 @@ static void blkdev_flush_mapping(struct block_device *bdev) static int blkdev_get_whole(struct block_device *bdev, fmode_t mode) { struct gendisk *disk = bdev->bd_disk; - int ret = 0; + int ret; if (disk->fops->open) { ret = disk->fops->open(bdev, mode); @@ -750,14 +750,6 @@ struct block_device *blkdev_get_no_open(dev_t dev) if (!kobject_get_unless_zero(&bdev->bd_device.kobj)) bdev = NULL; iput(inode); - - if (!bdev) - return NULL; - if ((bdev->bd_disk->flags & GENHD_FL_HIDDEN)) { - put_device(&bdev->bd_device); - return NULL; - } - return bdev; } @@ -837,7 +829,7 @@ struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder) * used in blkdev_get/put(). */ if ((mode & FMODE_WRITE) && !bdev->bd_write_holder && - (disk->flags & GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE)) { + (disk->event_flags & DISK_EVENT_FLAG_BLOCK_ON_EXCL_WRITE)) { bdev->bd_write_holder = true; unblock_events = false; } @@ -963,15 +955,15 @@ void blkdev_put(struct block_device *bdev, fmode_t mode) EXPORT_SYMBOL(blkdev_put); /** - * lookup_bdev - lookup a struct block_device by name - * @pathname: special file representing the block device - * @dev: return value of the block device's dev_t + * lookup_bdev() - Look up a struct block_device by name. + * @pathname: Name of the block device in the filesystem. + * @dev: Pointer to the block device's dev_t, if found. * * Lookup the block device's dev_t at @pathname in the current - * namespace if possible and return it by @dev. + * namespace if possible and return it in @dev. * - * RETURNS: - * 0 if succeeded, errno otherwise. + * Context: May sleep. + * Return: 0 if succeeded, negative errno otherwise. */ int lookup_bdev(const char *pathname, dev_t *dev) { |