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block: return -ENODEV for BLK_STS_OFFLINE 

Change the user visible return value for BLK_STS_OFFLINE to -ENODEV, which
is more descriptive than existing -EIO.

Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20220203192827.1370270-3-song@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Song Liu 2022-02-03 11:28:26 -08:00 committed by Jens Axboe
parent 2651bf680b
commit 7d32c027a2
1 changed files with 1 additions and 1 deletions
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2
block/blk-core.c
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@ -164,7 +164,7 @@ static const struct {
[BLK_STS_RESOURCE] = { -ENOMEM, "kernel resource" }, [BLK_STS_RESOURCE] = { -ENOMEM, "kernel resource" },
[BLK_STS_DEV_RESOURCE] = { -EBUSY, "device resource" }, [BLK_STS_DEV_RESOURCE] = { -EBUSY, "device resource" },
[BLK_STS_AGAIN] = { -EAGAIN, "nonblocking retry" }, [BLK_STS_AGAIN] = { -EAGAIN, "nonblocking retry" },
[BLK_STS_OFFLINE] = { -EIO, "device offline" }, [BLK_STS_OFFLINE] = { -ENODEV, "device offline" },
/* device mapper special case, should not leak out: */ /* device mapper special case, should not leak out: */
[BLK_STS_DM_REQUEUE] = { -EREMCHG, "dm internal retry" }, [BLK_STS_DM_REQUEUE] = { -EREMCHG, "dm internal retry" },