Re: cann't dump info to user file from kernel

This will never work, as you call blocking (non-atomic) functions from atomic context. kernel coder wrote: > hi, > I'm trying to dump some information from dev.c to user space > file.Following is the code which i'm using to write to user spcae > file.I'm using 2.6.22.x86_64 kernel. > >

cann't dump info to user file from kernel

hi, I'm trying to dump some information from dev.c to user space file.Following is the code which i'm using to write to user spcae file.I'm using 2.6.22.x86_64 kernel. #define _write(f, buf, sz) (f->f_op->write(f, buf, sz, &f->f_pos)) #define WRITABLE(f) (f->f_op && f->f_op->write) int