vfs: make do_unlinkat retry once on ESTALE errors
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
10
fs/namei.c
10
fs/namei.c
@@ -3440,8 +3440,9 @@ static long do_unlinkat(int dfd, const char __user *pathname)
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struct dentry *dentry;
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struct dentry *dentry;
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struct nameidata nd;
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struct nameidata nd;
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struct inode *inode = NULL;
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struct inode *inode = NULL;
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unsigned int lookup_flags = 0;
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name = user_path_parent(dfd, pathname, &nd, 0);
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retry:
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name = user_path_parent(dfd, pathname, &nd, lookup_flags);
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if (IS_ERR(name))
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if (IS_ERR(name))
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return PTR_ERR(name);
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return PTR_ERR(name);
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@@ -3479,6 +3480,11 @@ exit2:
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exit1:
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exit1:
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path_put(&nd.path);
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path_put(&nd.path);
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putname(name);
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putname(name);
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if (retry_estale(error, lookup_flags)) {
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lookup_flags |= LOOKUP_REVAL;
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inode = NULL;
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goto retry;
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}
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return error;
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return error;
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slashes:
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slashes:
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