hi
can i open and write files from a module or that i must do it from user
space ?
i.e. split my module into 2 parts one in user space opening and writing
to files then it calls the module to do the rest of the job.
open:
-----
filp_open looks right, but i saw that locks are accuried before
accessing it( e.g. sys_open ).
do i need to lock anything before i open the file ?
do i need to do anything with fds or that they only impotent for user
space apps?
write:
-----
should i call filp->f_op->write ?
and if so do i need to take care for any locking first( inode ? kernel ?
)
please CC me for any respond
THX
/gaby
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