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Use a shared lock for VOP_GETEXTATTR, as it is a read-like operation.

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MFC after:	1 week
This commit is contained in:
Matthew D Fleming 2013-03-30 15:09:04 +00:00
parent 937c916587
commit 926cd204c7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=248933
2 changed files with 2 additions and 2 deletions
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2
sys/kern/vfs_extattr.c
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@ -326,7 +326,7 @@ extattr_get_vp(struct vnode *vp, int attrnamespace, const char *attrname,
size_t size, *sizep;
int error;
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
vn_lock(vp, LK_SHARED | LK_RETRY);
/*
* Slightly unusual semantics: if the user provides a NULL data

2
sys/kern/vfs_vnops.c
View File

@ -1758,7 +1758,7 @@ vn_extattr_get(struct vnode *vp, int ioflg, int attrnamespace,
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");