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Shirish Pargaonkar authored
While traversing the linked list of open file handles, if the identfied file handle is invalid, a reopen is attempted and if it fails, we resume traversing where we stopped and cifs can oops while accessing invalid next element, for list might have changed. So mark the invalid file handle and attempt reopen if no valid file handle is found in rest of the list. If reopen fails, move the invalid file handle to the end of the list and start traversing the list again from the begining. Repeat this four times before giving up and returning an error if file reopen keeps failing. Cc: <stable@vger.kernel.org> Signed-off-by:
Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by:
Jeff Layton <jlayton@redhat.com> Signed-off-by:
Steve French <sfrench@us.ibm.com>
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