Mateusz, have you noticed this email?
On Wed, Jun 10, 2015 at 06:44:45PM +0300, Gleb Smirnoff wrote: T> On Wed, Jun 10, 2015 at 09:34:51AM +0000, Mateusz Guzik wrote: T> M> Author: mjg T> M> Date: Wed Jun 10 09:34:50 2015 T> M> New Revision: 284211 T> M> URL: https://svnweb.freebsd.org/changeset/base/284211 T> M> T> M> Log: T> M> fd: use atomics to manage fd_refcnt and fd_holcnt T> M> T> M> This gets rid of fdesc_mtx. T> .. T> M> Modified: head/sys/sys/filedesc.h T> M> ============================================================================== T> M> --- head/sys/sys/filedesc.h Wed Jun 10 05:39:48 2015 (r284210) T> M> +++ head/sys/sys/filedesc.h Wed Jun 10 09:34:50 2015 (r284211) T> M> @@ -83,8 +83,8 @@ struct filedesc { T> M> int fd_lastfile; /* high-water mark of fd_ofiles */ T> M> int fd_freefile; /* approx. next free file */ T> M> u_short fd_cmask; /* mask for file creation */ T> M> - u_short fd_refcnt; /* thread reference count */ T> M> - u_short fd_holdcnt; /* hold count on structure + mutex */ T> M> + int fd_refcnt; /* thread reference count */ T> M> + int fd_holdcnt; /* hold count on structure + mutex */ T> M> struct sx fd_sx; /* protects members of this struct */ T> M> struct kqlist fd_kqlist; /* list of kqueues on this filedesc */ T> M> int fd_holdleaderscount; /* block fdfree() for shared close() */ T> T> Shouldn't they be volatile u_int? T> T> -- T> Totus tuus, Glebius. T> -- Totus tuus, Glebius. _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
