diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/osc/lproc_osc.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/osc/lproc_osc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index f0062d44ee03..575b2969ad83 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -162,7 +162,7 @@ static ssize_t max_dirty_mb_store(struct kobject *kobj, pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */ if (pages_number <= 0 || - pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) || + pages_number >= OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) || pages_number > totalram_pages / 4) /* 1/4 of RAM */ return -ERANGE; @@ -183,10 +183,12 @@ static int osc_cached_mb_seq_show(struct seq_file *m, void *v) seq_printf(m, "used_mb: %ld\n" - "busy_cnt: %ld\n", + "busy_cnt: %ld\n" + "reclaim: %llu\n", (atomic_long_read(&cli->cl_lru_in_list) + atomic_long_read(&cli->cl_lru_busy)) >> shift, - atomic_long_read(&cli->cl_lru_busy)); + atomic_long_read(&cli->cl_lru_busy), + cli->cl_lru_reclaim); return 0; } @@ -585,7 +587,8 @@ static ssize_t max_pages_per_rpc_store(struct kobject *kobj, chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_SHIFT)) - 1); /* max_pages_per_rpc must be chunk aligned */ val = (val + ~chunk_mask) & chunk_mask; - if (val == 0 || val > ocd->ocd_brw_size >> PAGE_SHIFT) { + if (!val || (ocd->ocd_brw_size && + val > ocd->ocd_brw_size >> PAGE_SHIFT)) { return -ERANGE; } spin_lock(&cli->cl_loi_list_lock); |