Stefan Hajnoczi <stefa...@redhat.com> 于2022年8月8日周一 21:52写道: > > On Fri, Aug 05, 2022 at 03:57:45PM +0800, Sam Li wrote: > > Use sysfs attribute files to get the long value of zoned device > > information. > > > > Signed-off-by: Sam Li <faithilike...@gmail.com> > > Reviewed-by: Hannes Reinecke <h...@suse.de> > > --- > > block/file-posix.c | 37 +++++++++++++++++++++++-------------- > > 1 file changed, 23 insertions(+), 14 deletions(-) > > > > diff --git a/block/file-posix.c b/block/file-posix.c > > index 48cd096624..a40eab64a2 100644 > > --- a/block/file-posix.c > > +++ b/block/file-posix.c > > @@ -1210,29 +1210,27 @@ static int hdev_get_max_hw_transfer(int fd, struct > > stat *st) > > #endif > > } > > > > -static int hdev_get_max_segments(int fd, struct stat *st) > > -{ > > +/* > > + * Get zoned device information (chunk_sectors, zoned_append_max_bytes, > > + * max_open_zones, max_active_zones) through sysfs attribute files. > > + */ > > +static long get_sysfs_long_val(int fd, struct stat *st, > > + const char *attribute) { > > Is the fd argument used or can it be removed?
Yes, it can be removed.