Author: mdf
Date: Sat May 4 18:44:14 2013
New Revision: 250248
URL: http://svnweb.freebsd.org/changeset/base/250248
Log:
MFC r248933:
Use a shared lock for VOP_GETEXTATTR, as it is a read-like operation.
Modified:
stable/9/sys/kern/vfs_extattr.c
stable/9/sys/kern/vfs_vnops.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/amd64/include/xen/ (props changed)
stable/9/sys/boot/ (props changed)
stable/9/sys/boot/i386/efi/ (props changed)
stable/9/sys/boot/ia64/efi/ (props changed)
stable/9/sys/boot/ia64/ski/ (props changed)
stable/9/sys/boot/powerpc/boot1.chrp/ (props changed)
stable/9/sys/boot/powerpc/ofw/ (props changed)
stable/9/sys/cddl/contrib/opensolaris/ (props changed)
stable/9/sys/conf/ (props changed)
stable/9/sys/contrib/dev/acpica/ (props changed)
stable/9/sys/contrib/octeon-sdk/ (props changed)
stable/9/sys/contrib/pf/ (props changed)
stable/9/sys/contrib/x86emu/ (props changed)
stable/9/sys/dev/ (props changed)
stable/9/sys/dev/e1000/ (props changed)
stable/9/sys/dev/isp/ (props changed)
stable/9/sys/dev/ixgbe/ (props changed)
stable/9/sys/dev/puc/ (props changed)
stable/9/sys/fs/ (props changed)
stable/9/sys/fs/ntfs/ (props changed)
stable/9/sys/modules/ (props changed)
stable/9/sys/net/ (props changed)
stable/9/sys/sys/ (props changed)
Modified: stable/9/sys/kern/vfs_extattr.c
==============================================================================
--- stable/9/sys/kern/vfs_extattr.c Sat May 4 18:38:16 2013
(r250247)
+++ stable/9/sys/kern/vfs_extattr.c Sat May 4 18:44:14 2013
(r250248)
@@ -339,7 +339,7 @@ extattr_get_vp(struct vnode *vp, int att
int error;
VFS_ASSERT_GIANT(vp->v_mount);
- vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+ vn_lock(vp, LK_SHARED | LK_RETRY);
/*
* Slightly unusual semantics: if the user provides a NULL data
Modified: stable/9/sys/kern/vfs_vnops.c
==============================================================================
--- stable/9/sys/kern/vfs_vnops.c Sat May 4 18:38:16 2013
(r250247)
+++ stable/9/sys/kern/vfs_vnops.c Sat May 4 18:44:14 2013
(r250248)
@@ -1744,7 +1744,7 @@ vn_extattr_get(struct vnode *vp, int iof
auio.uio_resid = *buflen;
if ((ioflg & IO_NODELOCKED) == 0)
- vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+ vn_lock(vp, LK_SHARED | LK_RETRY);
ASSERT_VOP_LOCKED(vp, "IO_NODELOCKED with no vp lock held");
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