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RELAY_LATE_SETUP_FIL(9) relay interface support RELAY_LATE_SETUP_FIL(9)

NAME

relay_late_setup_files - triggers file creation

SYNOPSIS

int relay_late_setup_files(struct rchan * chan, const char * base_filename, struct dentry * parent);

ARGUMENTS

chan
channel to operate on
base_filename
base name of files to create
parent
dentry of parent directory, NULL for root directory

DESCRIPTION

Returns 0 if successful, non-zero otherwise.
Use to setup files for a previously buffer-only channel. Useful to do early tracing in kernel, before VFS is up, for example.

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16