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由 Ronnie Sahlberg 提交于
[ Upstream commit 487317c99477d00f22370625d53be3239febabbe ] We can not depend on the tcon->open_file_lock here since in multiuser mode we may have the same file/inode open via multiple different tcons. The current code is race prone and will crash if one user deletes a file at the same time a different user opens/create the file. To avoid this we need to have a spinlock attached to the inode and not the tcon. RHBZ: 1580165 CC: Stable <stable@vger.kernel.org> Signed-off-by: NRonnie Sahlberg <lsahlber@redhat.com> Signed-off-by: NSteve French <stfrench@microsoft.com> Reviewed-by: NPavel Shilovsky <pshilov@microsoft.com> Signed-off-by: NSasha Levin <sashal@kernel.org>
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