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N9UiSi6cb5fQWASpzwg== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260428_121159_119925_76606772 X-CRM114-Status: GOOD ( 13.76 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Add mpath_bdev_getgeo() as a multipath block device .getgeo handler. Here we just redirect into the selected mpath_device disk fops->getgeo handler. Signed-off-by: John Garry --- lib/multipath.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/lib/multipath.c b/lib/multipath.c index e2998c1b277c0..1228837e5eeac 100644 --- a/lib/multipath.c +++ b/lib/multipath.c @@ -522,6 +522,26 @@ static int mpath_bdev_ioctl(struct block_device *bdev, blk_mode_t mode, return err; } +static int mpath_bdev_getgeo(struct gendisk *disk, struct hd_geometry *geo) +{ + struct mpath_head *mpath_head = mpath_gendisk_to_head(disk); + int srcu_idx, ret = -EWOULDBLOCK; + struct mpath_device *mpath_device; + + srcu_idx = srcu_read_lock(&mpath_head->srcu); + mpath_device = mpath_find_path(mpath_head); + if (mpath_device) { + if (mpath_device->disk->fops->getgeo) + ret = mpath_device->disk->fops->getgeo( + mpath_device->disk, geo); + else + ret = -ENOTTY; /* See blkdev_getgeo */ + } + srcu_read_unlock(&mpath_head->srcu, srcu_idx); + + return ret; +} + static int mpath_pr_register(struct block_device *bdev, u64 old_key, u64 new_key, unsigned int flags) { @@ -711,6 +731,7 @@ const struct block_device_operations mpath_ops = { .ioctl = mpath_bdev_ioctl, .compat_ioctl = blkdev_compat_ptr_ioctl, .report_zones = mpath_bdev_report_zones, + .getgeo = mpath_bdev_getgeo, .pr_ops = &mpath_pr_ops, }; EXPORT_SYMBOL_GPL(mpath_ops); -- 2.43.5