diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/osc/lproc_osc.c')
-rw-r--r-- | drivers/staging/lustre/lustre/osc/lproc_osc.c | 69 |
1 files changed, 43 insertions, 26 deletions
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index 1091536fc90d..a3358c39b2f1 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -162,15 +162,15 @@ static ssize_t max_dirty_mb_store(struct kobject *kobj, if (rc) return rc; - pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */ + pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */ if (pages_number <= 0 || - pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) || + pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) || pages_number > totalram_pages / 4) /* 1/4 of RAM */ return -ERANGE; client_obd_list_lock(&cli->cl_loi_list_lock); - cli->cl_dirty_max = (u32)(pages_number << PAGE_CACHE_SHIFT); + cli->cl_dirty_max = (u32)(pages_number << PAGE_SHIFT); osc_wake_cache_waiters(cli); client_obd_list_unlock(&cli->cl_loi_list_lock); @@ -182,7 +182,7 @@ static int osc_cached_mb_seq_show(struct seq_file *m, void *v) { struct obd_device *dev = m->private; struct client_obd *cli = &dev->u.cli; - int shift = 20 - PAGE_CACHE_SHIFT; + int shift = 20 - PAGE_SHIFT; seq_printf(m, "used_mb: %d\n" @@ -211,7 +211,7 @@ static ssize_t osc_cached_mb_seq_write(struct file *file, return -EFAULT; kernbuf[count] = 0; - mult = 1 << (20 - PAGE_CACHE_SHIFT); + mult = 1 << (20 - PAGE_SHIFT); buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) - kernbuf; rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); @@ -381,7 +381,7 @@ static int osc_checksum_type_seq_show(struct seq_file *m, void *v) DECLARE_CKSUM_NAME; - if (obd == NULL) + if (!obd) return 0; for (i = 0; i < ARRAY_SIZE(cksum_name); i++) { @@ -397,8 +397,8 @@ static int osc_checksum_type_seq_show(struct seq_file *m, void *v) } static ssize_t osc_checksum_type_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) + const char __user *buffer, + size_t count, loff_t *off) { struct obd_device *obd = ((struct seq_file *)file->private_data)->private; int i; @@ -406,7 +406,7 @@ static ssize_t osc_checksum_type_seq_write(struct file *file, DECLARE_CKSUM_NAME; char kernbuf[10]; - if (obd == NULL) + if (!obd) return 0; if (count > sizeof(kernbuf) - 1) @@ -422,8 +422,8 @@ static ssize_t osc_checksum_type_seq_write(struct file *file, if (((1 << i) & obd->u.cli.cl_supp_cksum_types) == 0) continue; if (!strcmp(kernbuf, cksum_name[i])) { - obd->u.cli.cl_cksum_type = 1 << i; - return count; + obd->u.cli.cl_cksum_type = 1 << i; + return count; } } return -EINVAL; @@ -480,9 +480,19 @@ static ssize_t contention_seconds_store(struct kobject *kobj, struct obd_device *obd = container_of(kobj, struct obd_device, obd_kobj); struct osc_device *od = obd2osc_dev(obd); + int rc; + int val; + + rc = kstrtoint(buffer, 10, &val); + if (rc) + return rc; + + if (val < 0) + return -EINVAL; + + od->od_contention_time = val; - return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?: - count; + return count; } LUSTRE_RW_ATTR(contention_seconds); @@ -505,9 +515,16 @@ static ssize_t lockless_truncate_store(struct kobject *kobj, struct obd_device *obd = container_of(kobj, struct obd_device, obd_kobj); struct osc_device *od = obd2osc_dev(obd); + int rc; + unsigned int val; - return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?: - count; + rc = kstrtouint(buffer, 10, &val); + if (rc) + return rc; + + od->od_lockless_truncate = val; + + return count; } LUSTRE_RW_ATTR(lockless_truncate); @@ -552,12 +569,12 @@ static ssize_t max_pages_per_rpc_store(struct kobject *kobj, /* if the max_pages is specified in bytes, convert to pages */ if (val >= ONE_MB_BRW_SIZE) - val >>= PAGE_CACHE_SHIFT; + val >>= PAGE_SHIFT; - chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1); + 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_CACHE_SHIFT) { + if (val == 0 || val > ocd->ocd_brw_size >> PAGE_SHIFT) { return -ERANGE; } client_obd_list_lock(&cli->cl_loi_list_lock); @@ -635,10 +652,10 @@ static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v) read_cum += r; write_cum += w; seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", - 1 << i, r, pct(r, read_tot), - pct(read_cum, read_tot), w, - pct(w, write_tot), - pct(write_cum, write_tot)); + 1 << i, r, pct(r, read_tot), + pct(read_cum, read_tot), w, + pct(w, write_tot), + pct(write_cum, write_tot)); if (read_cum == read_tot && write_cum == write_tot) break; } @@ -659,10 +676,10 @@ static int osc_rpc_stats_seq_show(struct seq_file *seq, void *v) read_cum += r; write_cum += w; seq_printf(seq, "%d:\t\t%10lu %3lu %3lu | %10lu %3lu %3lu\n", - i, r, pct(r, read_tot), - pct(read_cum, read_tot), w, - pct(w, write_tot), - pct(write_cum, write_tot)); + i, r, pct(r, read_tot), + pct(read_cum, read_tot), w, + pct(w, write_tot), + pct(write_cum, write_tot)); if (read_cum == read_tot && write_cum == write_tot) break; } |