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authorAl Viro <viro@zeniv.linux.org.uk>2016-04-28 23:56:31 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-09 11:39:45 -0400
commit884be175351e73c515303118150f195dd611787c (patch)
treeba85a80a6422df631b18af344132c6fcb67f1594 /fs/gfs2
parent9ac3d3e8460e3fa6f3a9a39c2049904005016db6 (diff)
downloadop-kernel-dev-884be175351e73c515303118150f195dd611787c.zip
op-kernel-dev-884be175351e73c515303118150f195dd611787c.tar.gz
nfs: per-name sillyunlink exclusion
use d_alloc_parallel() for sillyunlink/lookup exclusion and explicit rwsem (nfs_rmdir() being a writer and nfs_call_unlink() - a reader) for rmdir/sillyunlink one. That ought to make lookup/readdir/!O_CREAT atomic_open really parallel on NFS. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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