diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/osc/lproc_osc.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/osc/lproc_osc.c | 84 |
1 files changed, 47 insertions, 37 deletions
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index 0b59fc16c50c..0cadfcd92262 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -174,15 +174,25 @@ static int osc_cached_mb_seq_show(struct seq_file *m, void *v) } /* shrink the number of caching pages to a specific number */ -static ssize_t osc_cached_mb_seq_write(struct file *file, const char *buffer, - size_t count, loff_t *off) +static ssize_t osc_cached_mb_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) { struct obd_device *dev = ((struct seq_file *)file->private_data)->private; struct client_obd *cli = &dev->u.cli; int pages_number, mult, rc; + char kernbuf[128]; + + if (count >= sizeof(kernbuf)) + return -EINVAL; + + if (copy_from_user(kernbuf, buffer, count)) + return -EFAULT; + kernbuf[count] = 0; mult = 1 << (20 - PAGE_CACHE_SHIFT); - buffer = lprocfs_find_named_value(buffer, "used_mb:", &count); + buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) - + kernbuf; rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); if (rc) return rc; @@ -515,44 +525,44 @@ LPROC_SEQ_FOPS_RW_TYPE(osc, import); LPROC_SEQ_FOPS_RW_TYPE(osc, pinger_recov); static struct lprocfs_vars lprocfs_osc_obd_vars[] = { - { "uuid", &osc_uuid_fops, 0, 0 }, - { "ping", &osc_ping_fops, 0, 0222 }, - { "connect_flags", &osc_connect_flags_fops, 0, 0 }, - { "blocksize", &osc_blksize_fops, 0, 0 }, - { "kbytestotal", &osc_kbytestotal_fops, 0, 0 }, - { "kbytesfree", &osc_kbytesfree_fops, 0, 0 }, - { "kbytesavail", &osc_kbytesavail_fops, 0, 0 }, - { "filestotal", &osc_filestotal_fops, 0, 0 }, - { "filesfree", &osc_filesfree_fops, 0, 0 }, - //{ "filegroups", lprocfs_rd_filegroups, 0, 0 }, - { "ost_server_uuid", &osc_server_uuid_fops, 0, 0 }, - { "ost_conn_uuid", &osc_conn_uuid_fops, 0, 0 }, - { "active", &osc_active_fops, 0 }, - { "max_pages_per_rpc", &osc_obd_max_pages_per_rpc_fops, 0 }, - { "max_rpcs_in_flight", &osc_max_rpcs_in_flight_fops, 0 }, - { "destroys_in_flight", &osc_destroys_in_flight_fops, 0, 0 }, - { "max_dirty_mb", &osc_max_dirty_mb_fops, 0 }, - { "osc_cached_mb", &osc_cached_mb_fops, 0 }, - { "cur_dirty_bytes", &osc_cur_dirty_bytes_fops, 0, 0 }, - { "cur_grant_bytes", &osc_cur_grant_bytes_fops, 0 }, - { "cur_lost_grant_bytes", &osc_cur_lost_grant_bytes_fops, 0, 0}, - { "grant_shrink_interval", &osc_grant_shrink_interval_fops, 0 }, - { "checksums", &osc_checksum_fops, 0 }, - { "checksum_type", &osc_checksum_type_fops, 0 }, - { "resend_count", &osc_resend_count_fops, 0}, - { "timeouts", &osc_timeouts_fops, 0, 0 }, - { "contention_seconds", &osc_contention_seconds_fops, 0 }, - { "lockless_truncate", &osc_lockless_truncate_fops, 0 }, - { "import", &osc_import_fops, 0 }, - { "state", &osc_state_fops, 0, 0 }, - { "pinger_recov", &osc_pinger_recov_fops, 0 }, - { 0 } + { "uuid", &osc_uuid_fops, NULL, 0 }, + { "ping", &osc_ping_fops, NULL, 0222 }, + { "connect_flags", &osc_connect_flags_fops, NULL, 0 }, + { "blocksize", &osc_blksize_fops, NULL, 0 }, + { "kbytestotal", &osc_kbytestotal_fops, NULL, 0 }, + { "kbytesfree", &osc_kbytesfree_fops, NULL, 0 }, + { "kbytesavail", &osc_kbytesavail_fops, NULL, 0 }, + { "filestotal", &osc_filestotal_fops, NULL, 0 }, + { "filesfree", &osc_filesfree_fops, NULL, 0 }, + /*{ "filegroups", lprocfs_rd_filegroups, NULL, 0 },*/ + { "ost_server_uuid", &osc_server_uuid_fops, NULL, 0 }, + { "ost_conn_uuid", &osc_conn_uuid_fops, NULL, 0 }, + { "active", &osc_active_fops, NULL }, + { "max_pages_per_rpc", &osc_obd_max_pages_per_rpc_fops, NULL }, + { "max_rpcs_in_flight", &osc_max_rpcs_in_flight_fops, NULL }, + { "destroys_in_flight", &osc_destroys_in_flight_fops, NULL, 0 }, + { "max_dirty_mb", &osc_max_dirty_mb_fops, NULL }, + { "osc_cached_mb", &osc_cached_mb_fops, NULL }, + { "cur_dirty_bytes", &osc_cur_dirty_bytes_fops, NULL, 0 }, + { "cur_grant_bytes", &osc_cur_grant_bytes_fops, NULL }, + { "cur_lost_grant_bytes", &osc_cur_lost_grant_bytes_fops, NULL, 0}, + { "grant_shrink_interval", &osc_grant_shrink_interval_fops, NULL }, + { "checksums", &osc_checksum_fops, NULL }, + { "checksum_type", &osc_checksum_type_fops, NULL }, + { "resend_count", &osc_resend_count_fops, NULL}, + { "timeouts", &osc_timeouts_fops, NULL, 0 }, + { "contention_seconds", &osc_contention_seconds_fops, NULL }, + { "lockless_truncate", &osc_lockless_truncate_fops, NULL }, + { "import", &osc_import_fops, NULL }, + { "state", &osc_state_fops, NULL, 0 }, + { "pinger_recov", &osc_pinger_recov_fops, NULL }, + { NULL } }; LPROC_SEQ_FOPS_RO_TYPE(osc, numrefs); static struct lprocfs_vars lprocfs_osc_module_vars[] = { - { "num_refs", &osc_numrefs_fops, 0, 0 }, - { 0 } + { "num_refs", &osc_numrefs_fops, NULL, 0 }, + { NULL } }; #define pct(a,b) (b ? a * 100 / b : 0) |