diff options
| author | Henri Doreau <henri.doreau@cea.fr> | 2016-10-28 01:11:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-30 18:02:33 +0300 |
| commit | 4e724acca3af1fe377c0ce283d38fb107419a96d (patch) | |
| tree | 9688413b1eb65e2993b74370dff7bbe36c4b39c0 | |
| parent | d8389249f1ce4fe96c465f45dee1c848d71c06bc (diff) | |
| download | linux-4e724acca3af1fe377c0ce283d38fb107419a96d.tar.xz | |
staging: lustre: ptlrpc: Forbid too early NRS policy tunings
Wait for a NRS policy to be fully started before allowing
to apply related tunings, so that all fields are properly
initialized.
Signed-off-by: Henri Doreau <henri.doreau@cea.fr>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6673
Reviewed-on: http://review.whamcloud.com/15104
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/nrs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/ptlrpc/nrs.c b/drivers/staging/lustre/lustre/ptlrpc/nrs.c index d88faf61e740..f8566324f258 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/nrs.c +++ b/drivers/staging/lustre/lustre/ptlrpc/nrs.c @@ -619,6 +619,15 @@ static int nrs_policy_ctl(struct ptlrpc_nrs *nrs, char *name, goto out; } + /** + * Wait for the policy to be fully started before attempting + * to operate it. + */ + if (policy->pol_state == NRS_POL_STATE_STARTING) { + rc = -EAGAIN; + goto out; + } + switch (opc) { /** * Unknown opcode, pass it down to the policy-specific control |