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work around snapshot shutdown race reported by Henri Hennebert

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This commit is contained in:
Kip Macy 2009-05-30 19:26:35 +00:00
parent 2ab2a8354e
commit 139ccddec0
1 changed files with 7 additions and 2 deletions
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9
sys/cddl/contrib/opensolaris/uts/common/fs/gfs.c
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@ -564,8 +564,13 @@ gfs_file_inactive(vnode_t *vp)
if (fp->gfs_parent == NULL || (vp->v_flag & V_XATTRDIR))
goto found;
dp = fp->gfs_parent->v_data;
/*
* XXX cope with a FreeBSD-specific race wherein the parent's
* snapshot data can be freed before the parent is
*/
if ((dp = fp->gfs_parent->v_data) == NULL)
return (NULL);
/*
* First, see if this vnode is cached in the parent.
*/