SD_IOCTL
Section: ()
Updated: 06 October 2005
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NAME
sd_ioctl - process an ioctl
SYNOPSIS
"SYNOPSIS"
int sd_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, unsigned long arg);
ARGUMENTS
- inode
-
only i_rdev/i_bdev members may be used
- filp
-
only f_mode and f_flags may be used
- cmd
-
ioctl command number
- arg
-
this is third argument given to ioctl(2) system call.
Often contains a pointer.
DESCRIPTION
Returns 0 if successful (some ioctls return postive numbers on
success as well). Returns a negated errno value in case of error.
NOTE
most ioctls are forward onto the block subsystem or further
down in the scsi subsytem.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
- NOTE
-
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Time: 04:41:04 GMT, October 06, 2005