diff options
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayout.c')
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 6bcb6d6c9dc3..d3b3b6236711 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -452,14 +452,23 @@ nfs4_ff_layout_calc_completion_time(struct rpc_task *task) return ktime_sub(ktime_get(), task->tk_start); } -static void +static bool nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror, struct nfs4_ff_layoutstat *layoutstat) { static const ktime_t notime = {0}; + ktime_t now = ktime_get(); nfs4_ff_start_busy_timer(&layoutstat->busy_timer); - cmpxchg(&mirror->start_time, notime, ktime_get()); + cmpxchg(&mirror->start_time.tv64, notime.tv64, now.tv64); + cmpxchg(&mirror->last_report_time.tv64, notime.tv64, now.tv64); + if (ktime_to_ms(ktime_sub(now, mirror->last_report_time)) >= + FF_LAYOUTSTATS_REPORT_INTERVAL) { + mirror->last_report_time = now; + return true; + } + + return false; } static void @@ -496,10 +505,15 @@ static void nfs4_ff_layout_stat_io_start_read(struct nfs4_ff_layout_mirror *mirror, __u64 requested) { + bool report; + spin_lock(&mirror->lock); - nfs4_ff_layoutstat_start_io(mirror, &mirror->read_stat); + report = nfs4_ff_layoutstat_start_io(mirror, &mirror->read_stat); nfs4_ff_layout_stat_io_update_requested(&mirror->read_stat, requested); spin_unlock(&mirror->lock); + + if (report) + pnfs_report_layoutstat(mirror->lseg->pls_layout->plh_inode); } static void @@ -519,10 +533,15 @@ static void nfs4_ff_layout_stat_io_start_write(struct nfs4_ff_layout_mirror *mirror, __u64 requested) { + bool report; + spin_lock(&mirror->lock); - nfs4_ff_layoutstat_start_io(mirror, &mirror->write_stat); + report = nfs4_ff_layoutstat_start_io(mirror , &mirror->write_stat); nfs4_ff_layout_stat_io_update_requested(&mirror->write_stat, requested); spin_unlock(&mirror->lock); + + if (report) + pnfs_report_layoutstat(mirror->lseg->pls_layout->plh_inode); } static void |