> Which, BTW, is a wonderful reason for having multiple channels. Instead > of write(fd, "critical_command", 8); read(fd,....); you read from the right fd. > Opened before you enter the hotspot. Less overhead than ioctl() would > have... The ioctl is one syscall, the read/write pair are two. Im not sure that ioctl is going to be more overhead there. In the video4linux case the high overhead is acking frames received by mmap so might conceivably be considered one way - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to [EMAIL PROTECTED]
- Re: [RFD w/info-PATCH] device arguments from lookup, partio... Alan Cox
- Re: [RFD w/info-PATCH] device arguments from lookup, p... Alexander Viro
- Re: [RFD w/info-PATCH] device arguments from looku... Alan Cox
- Re: [RFD w/info-PATCH] device arguments from l... Linus Torvalds
- Re: [RFD w/info-PATCH] device arguments fr... Alexander Viro
- Re: [RFD w/info-PATCH] device arguments fr... Jan Harkes
- Re: [RFD w/info-PATCH] device argumen... Linus Torvalds
- Re: [RFD w/info-PATCH] device arguments from looku... Ingo Oeser
- Re: [RFD w/info-PATCH] device arguments from l... Matthew Wilcox
- Re: [RFD w/info-PATCH] device arguments fr... Linus Torvalds
- Re: [RFD w/info-PATCH] device argumen... Matthew Wilcox