Author: mav
Date: Thu Jul 24 14:57:58 2014
New Revision: 269062
URL: http://svnweb.freebsd.org/changeset/base/269062
Log:
MFC r268420:
Remove IO_SYNC flag when writing extended file attributes on ZFS.
While it is possible to create and write file, modify its permissions, etc.
without ever doing sync, it looks odd that it is required for setting
extended file attributes on ZFS. UFS does not do sync there too.
Samba uses those extended attributes to store some its data, and doing it
synchronously by many times reduces file creation performance for systems
without SLOG device.
Modified:
stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Directory Properties:
stable/9/ (props changed)
stable/9/sys/ (props changed)
stable/9/sys/cddl/contrib/opensolaris/ (props changed)
Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Thu Jul
24 14:55:45 2014 (r269061)
+++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Thu Jul
24 14:57:58 2014 (r269062)
@@ -6778,7 +6778,7 @@ vop_setextattr {
va.va_size = 0;
error = VOP_SETATTR(vp, &va, ap->a_cred);
if (error == 0)
- VOP_WRITE(vp, ap->a_uio, IO_UNIT | IO_SYNC, ap->a_cred);
+ VOP_WRITE(vp, ap->a_uio, IO_UNIT, ap->a_cred);
VOP_UNLOCK(vp, 0);
vn_close(vp, flags, ap->a_cred, td);
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