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NeilBrown authored
If you change the set of filesystems that are exported, then the contents of various directories in the NFSv4 pseudo-root is likely to change. However the change-id of those directories is currently tied to the underlying directory, so the client may not see the changes in a timely fashion. This patch changes the change-id number to be derived from the "flush_time" of the export cache. Whenever any changes are made to the set of exported filesystems, this flush_time is updated. The result is that clients see changes to the set of exported filesystems much more quickly, often immediately. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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