diff options
| author | Rob Landley <rob@landley.net> | 2007-11-03 13:30:39 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-11 18:22:40 -0600 |
| commit | eb44820c28bc9a042e1157b41c677018a8fdfc74 (patch) | |
| tree | de027b3cd40533488805ef7ee8156f077cd2b7e5 /drivers/scsi/scsi_ioctl.c | |
| parent | 3f48985823001c89c9bd5c5e57cc07530578dfcc (diff) | |
[SCSI] Add Documentation and integrate into docbook build
Add Documentation/DocBook/scsi_midlayer.tmpl, add to Makefile, and update
lots of kerneldoc comments in drivers/scsi/*.
Updated with comments from Stefan Richter, Stephen M. Cameron,
James Bottomley and Randy Dunlap.
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/scsi_ioctl.c')
| -rw-r--r-- | drivers/scsi/scsi_ioctl.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 32293f451669..83e144716901 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -174,10 +174,15 @@ static int scsi_ioctl_get_pci(struct scsi_device *sdev, void __user *arg) } -/* - * the scsi_ioctl() function differs from most ioctls in that it does - * not take a major/minor number as the dev field. Rather, it takes - * a pointer to a scsi_devices[] element, a structure. +/** + * scsi_ioctl - Dispatch ioctl to scsi device + * @sdev: scsi device receiving ioctl + * @cmd: which ioctl is it + * @arg: data associated with ioctl + * + * Description: The scsi_ioctl() function differs from most ioctls in that it + * does not take a major/minor number as the dev field. Rather, it takes + * a pointer to a &struct scsi_device. */ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { @@ -264,9 +269,12 @@ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) } EXPORT_SYMBOL(scsi_ioctl); -/* - * the scsi_nonblock_ioctl() function is designed for ioctls which may - * be executed even if the device is in recovery. +/** + * scsi_nonblock_ioctl() - Handle SG_SCSI_RESET + * @sdev: scsi device receiving ioctl + * @cmd: Must be SC_SCSI_RESET + * @arg: pointer to int containing SG_SCSI_RESET_{DEVICE,BUS,HOST} + * @filp: either NULL or a &struct file which must have the O_NONBLOCK flag. */ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd, void __user *arg, struct file *filp) @@ -276,7 +284,7 @@ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd, /* The first set of iocts may be executed even if we're doing * error processing, as long as the device was opened * non-blocking */ - if (filp && filp->f_flags & O_NONBLOCK) { + if (filp && (filp->f_flags & O_NONBLOCK)) { if (scsi_host_in_recovery(sdev->host)) return -ENODEV; } else if (!scsi_block_when_processing_errors(sdev)) |