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| author | Jeff Layton <[email protected]> | 2019-04-22 16:34:24 +0000 |
|---|---|---|
| committer | J. Bruce Fields <[email protected]> | 2019-04-22 19:38:41 +0000 |
| commit | f456458e4d25a8962d0946891617c76cc3ff5fb9 (patch) | |
| tree | bac517015f1d270e1becc4e53da7a881d205684b /scripts/gcc-plugins/cyc_complexity_plugin.c | |
| parent | nfsd: wake waiters blocked on file_lock before deleting it (diff) | |
| download | kernel-f456458e4d25a8962d0946891617c76cc3ff5fb9.tar.gz kernel-f456458e4d25a8962d0946891617c76cc3ff5fb9.zip | |
nfsd: wake blocked file lock waiters before sending callback
When a blocked NFS lock is "awoken" we send a callback to the server and
then wake any hosts waiting on it. If a client attempts to get a lock
and then drops off the net, we could end up waiting for a long time
until we end up waking locks blocked on that request.
So, wake any other waiting lock requests before sending the callback.
Do this by calling locks_delete_block in a new "prepare" phase for
CB_NOTIFY_LOCK callbacks.
URL: https://bugzilla.kernel.org/show_bug.cgi?id=203363
Fixes: 16306a61d3b7 ("fs/locks: always delete_block after waiting.")
Reported-by: Slawomir Pryczek <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: [email protected]
Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/cyc_complexity_plugin.c')
0 files changed, 0 insertions, 0 deletions