diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-08-10 17:17:11 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-08-19 11:39:44 -0300 |
| commit | 4b89451d2c3d488b304306f8b2d1afc7c28b4f78 (patch) | |
| tree | 6810900d553e4aba2496adcbfd225c41193e0ef6 /drivers/infiniband/hw | |
| parent | 00c85b6576d3a9c9d9f0320a59b1e7b5bd25ade4 (diff) | |
RDMA/hfi1: Stop using seq_get_buf in _driver_stats_seq_show
Just use seq_write to copy the stats into the seq_file buffer instead of
poking holes into the seq_file abstraction.
Link: https://lore.kernel.org/r/20210810151711.1795374-1-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Tested-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/debugfs.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c index 2ced236e1553..250079bca68e 100644 --- a/drivers/infiniband/hw/hfi1/debugfs.c +++ b/drivers/infiniband/hw/hfi1/debugfs.c @@ -1358,7 +1358,7 @@ static void _driver_stats_seq_stop(struct seq_file *s, void *v) { } -static u64 hfi1_sps_ints(void) +static void hfi1_sps_show_ints(struct seq_file *s) { unsigned long index, flags; struct hfi1_devdata *dd; @@ -1369,24 +1369,19 @@ static u64 hfi1_sps_ints(void) sps_ints += get_all_cpu_total(dd->int_counter); } xa_unlock_irqrestore(&hfi1_dev_table, flags); - return sps_ints; + seq_write(s, &sps_ints, sizeof(u64)); } static int _driver_stats_seq_show(struct seq_file *s, void *v) { loff_t *spos = v; - char *buffer; u64 *stats = (u64 *)&hfi1_stats; - size_t sz = seq_get_buf(s, &buffer); - if (sz < sizeof(u64)) - return SEQ_SKIP; /* special case for interrupts */ if (*spos == 0) - *(u64 *)buffer = hfi1_sps_ints(); + hfi1_sps_show_ints(s); else - *(u64 *)buffer = stats[*spos]; - seq_commit(s, sizeof(u64)); + seq_write(s, stats + *spos, sizeof(u64)); return 0; } |