nfsd4: don't do lookup within readdir in recovery code
The main nfsd code was recently modified to no longer do lookups from withing the readdir callback, to avoid locking problems on certain filesystems. This (rather hacky, and overdue for replacement) NFSv4 recovery code has the same problem. Fix it to build up a list of names (instead of dentries) and do the lookups afterwards. Reported symptoms were a deadlock in the xfs code (called from nfsd4_recdir_load), with /var/lib/nfs on xfs. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Reported-by: David Warren <warren@atmos.washington.edu>
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