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-rw-r--r--Documentation/ioctl/hdio.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/ioctl/hdio.txt b/Documentation/ioctl/hdio.txt
index c19efde..91a6ecb 100644
--- a/Documentation/ioctl/hdio.txt
+++ b/Documentation/ioctl/hdio.txt
@@ -508,12 +508,13 @@ HDIO_DRIVE_RESET execute a device reset
error returns:
EACCES Access denied: requires CAP_SYS_ADMIN
+ ENXIO No such device: phy dead or ctl_addr == 0
+ EIO I/O error: reset timed out or hardware error
notes:
- Abort any current command, prevent anything else from being
- queued, execute a reset on the device, and issue BLKRRPART
- ioctl on the block device.
+ Execute a reset on the device as soon as the current IO
+ operation has completed.
Executes an ATAPI soft reset if applicable, otherwise
executes an ATA soft reset on the controller.
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