svn commit: r366975 - in head/sys: contrib/openzfs/module/os/freebsd/zfs fs/tmpfs ufs/ufs

[Mateusz Guzik]

Author: mjg
Date: Fri Oct 23 15:50:49 2020
New Revision: 366975
URL: https://svnweb.freebsd.org/changeset/base/366975

Log:
  vfs: drop spurious cache_purge on rmdir
  
  The removed directory gets cache_purged which is sufficient to remove any entries
  related to the parent.
  
  Note only tmpfs, ufs and zfs are patched.

Modified:
  head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c
  head/sys/fs/tmpfs/tmpfs_vnops.c
  head/sys/ufs/ufs/ufs_vnops.c

Modified: head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c
==============================================================================
--- head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c	Fri Oct 23 15:49:18 2020	(r366974)
+++ head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops.c	Fri Oct 23 15:50:49 2020	(r366975)
@@ -2332,8 +2332,6 @@ zfs_rmdir_(vnode_t *dvp, vnode_t *vp, const char *name
 		return (error);
 	}
 
-	cache_purge(dvp);
-
 	error = zfs_link_destroy(dzp, name, zp, tx, ZEXISTS, NULL);
 
 	if (error == 0) {

Modified: head/sys/fs/tmpfs/tmpfs_vnops.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_vnops.c	Fri Oct 23 15:49:18 2020	(r366974)
+++ head/sys/fs/tmpfs/tmpfs_vnops.c	Fri Oct 23 15:50:49 2020	(r366975)
@@ -1331,7 +1331,6 @@ tmpfs_rmdir(struct vop_rmdir_args *v)
 	TMPFS_NODE_UNLOCK(dnode);
 
 	if (tmpfs_use_nc(dvp)) {
-		cache_purge(dvp);
 		cache_purge(vp);
 	}
 

Modified: head/sys/ufs/ufs/ufs_vnops.c
==============================================================================
--- head/sys/ufs/ufs/ufs_vnops.c	Fri Oct 23 15:49:18 2020	(r366974)
+++ head/sys/ufs/ufs/ufs_vnops.c	Fri Oct 23 15:50:49 2020	(r366975)
@@ -2204,7 +2204,6 @@ ufs_rmdir(ap)
 			softdep_revert_rmdir(dp, ip);
 		goto out;
 	}
-	cache_purge(dvp);
 	/*
 	 * The only stuff left in the directory is "." and "..". The "."
 	 * reference is inconsequential since we are quashing it. The soft