#include <lustre/lustre_idl.h>
#include <linux/seq_file.h>
-#if defined(LPROCFS)
+static const char * const obd_connect_names[] = {
+ "read_only",
+ "lov_index",
+ "unused",
+ "write_grant",
+ "server_lock",
+ "version",
+ "request_portal",
+ "acl",
+ "xattr",
+ "create_on_write",
+ "truncate_lock",
+ "initial_transno",
+ "inode_bit_locks",
+ "join_file(obsolete)",
+ "getattr_by_fid",
+ "no_oh_for_devices",
+ "remote_client",
+ "remote_client_by_force",
+ "max_byte_per_rpc",
+ "64bit_qdata",
+ "mds_capability",
+ "oss_capability",
+ "early_lock_cancel",
+ "som",
+ "adaptive_timeouts",
+ "lru_resize",
+ "mds_mds_connection",
+ "real_conn",
+ "change_qunit_size",
+ "alt_checksum_algorithm",
+ "fid_is_enabled",
+ "version_recovery",
+ "pools",
+ "grant_shrink",
+ "skip_orphan",
+ "large_ea",
+ "full20",
+ "layout_lock",
+ "64bithash",
+ "object_max_bytes",
+ "imp_recov",
+ "jobstats",
+ "umask",
+ "einprogress",
+ "grant_param",
+ "flock_owner",
+ "lvb_type",
+ "nanoseconds_times",
+ "lightweight_conn",
+ "short_io",
+ "pingless",
+ "unknown",
+ NULL
+};
+
+int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
+{
+ __u64 mask = 1;
+ int i, ret = 0;
+
+ for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
+ if (flags & mask)
+ ret += snprintf(page + ret, count - ret, "%s%s",
+ ret ? sep : "", obd_connect_names[i]);
+ }
+ if (flags & ~(mask - 1))
+ ret += snprintf(page + ret, count - ret,
+ "%sunknown flags "LPX64,
+ ret ? sep : "", flags & ~(mask - 1));
+ return ret;
+}
+EXPORT_SYMBOL(obd_connect_flags2str);
+
+int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val,
+ int mult)
+{
+ long decimal_val, frac_val;
+ int prtn;
+
+ if (count < 10)
+ return -EINVAL;
+
+ decimal_val = val / mult;
+ prtn = snprintf(buffer, count, "%ld", decimal_val);
+ frac_val = val % mult;
+
+ if (prtn < (count - 4) && frac_val > 0) {
+ long temp_frac;
+ int i, temp_mult = 1, frac_bits = 0;
+
+ temp_frac = frac_val * 10;
+ buffer[prtn++] = '.';
+ while (frac_bits < 2 && (temp_frac / mult) < 1) {
+ /* only reserved 2 bits fraction */
+ buffer[prtn++] = '0';
+ temp_frac *= 10;
+ frac_bits++;
+ }
+ /*
+ * Need to think these cases :
+ * 1. #echo x.00 > /proc/xxx output result : x
+ * 2. #echo x.0x > /proc/xxx output result : x.0x
+ * 3. #echo x.x0 > /proc/xxx output result : x.x
+ * 4. #echo x.xx > /proc/xxx output result : x.xx
+ * Only reserved 2 bits fraction.
+ */
+ for (i = 0; i < (5 - prtn); i++)
+ temp_mult *= 10;
+
+ frac_bits = min((int)count - prtn, 3 - frac_bits);
+ prtn += snprintf(buffer + prtn, frac_bits, "%ld",
+ frac_val * temp_mult / mult);
+
+ prtn--;
+ while (buffer[prtn] < '1' || buffer[prtn] > '9') {
+ prtn--;
+ if (buffer[prtn] == '.') {
+ prtn--;
+ break;
+ }
+ }
+ prtn++;
+ }
+ buffer[prtn++] = '\n';
+ return prtn;
+}
+EXPORT_SYMBOL(lprocfs_read_frac_helper);
+
+int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
+ int *val, int mult)
+{
+ char kernbuf[20], *end, *pbuf;
+
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+
+ kernbuf[count] = '\0';
+ pbuf = kernbuf;
+ if (*pbuf == '-') {
+ mult = -mult;
+ pbuf++;
+ }
+
+ *val = (int)simple_strtoul(pbuf, &end, 10) * mult;
+ if (pbuf == end)
+ return -EINVAL;
+
+ if (end != NULL && *end == '.') {
+ int temp_val, pow = 1;
+ int i;
+
+ pbuf = end + 1;
+ if (strlen(pbuf) > 5)
+ pbuf[5] = '\0'; /*only allow 5bits fractional*/
+
+ temp_val = (int)simple_strtoul(pbuf, &end, 10) * mult;
+
+ if (pbuf < end) {
+ for (i = 0; i < (end - pbuf); i++)
+ pow *= 10;
+
+ *val += temp_val / pow;
+ }
+ }
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_write_frac_helper);
+
+#ifdef LPROCFS
static int lprocfs_no_percpu_stats = 0;
module_param(lprocfs_no_percpu_stats, int, 0644);
}
#undef flags2str
-static const char *obd_connect_names[] = {
- "read_only",
- "lov_index",
- "unused",
- "write_grant",
- "server_lock",
- "version",
- "request_portal",
- "acl",
- "xattr",
- "create_on_write",
- "truncate_lock",
- "initial_transno",
- "inode_bit_locks",
- "join_file(obsolete)",
- "getattr_by_fid",
- "no_oh_for_devices",
- "remote_client",
- "remote_client_by_force",
- "max_byte_per_rpc",
- "64bit_qdata",
- "mds_capability",
- "oss_capability",
- "early_lock_cancel",
- "som",
- "adaptive_timeouts",
- "lru_resize",
- "mds_mds_connection",
- "real_conn",
- "change_qunit_size",
- "alt_checksum_algorithm",
- "fid_is_enabled",
- "version_recovery",
- "pools",
- "grant_shrink",
- "skip_orphan",
- "large_ea",
- "full20",
- "layout_lock",
- "64bithash",
- "object_max_bytes",
- "imp_recov",
- "jobstats",
- "umask",
- "einprogress",
- "grant_param",
- "flock_owner",
- "lvb_type",
- "nanoseconds_times",
- "lightweight_conn",
- "short_io",
- "pingless",
- "unknown",
- NULL
-};
-
static void obd_connect_seq_flags2str(struct seq_file *m, __u64 flags, char *sep)
{
__u64 mask = 1;
first ? sep : "", flags & ~(mask - 1));
}
-int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
-{
- __u64 mask = 1;
- int i, ret = 0;
-
- for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
- if (flags & mask)
- ret += snprintf(page + ret, count - ret, "%s%s",
- ret ? sep : "", obd_connect_names[i]);
- }
- if (flags & ~(mask - 1))
- ret += snprintf(page + ret, count - ret,
- "%sunknown flags "LPX64,
- ret ? sep : "", flags & ~(mask - 1));
- return ret;
-}
-EXPORT_SYMBOL(obd_connect_flags2str);
-
int lprocfs_rd_import(struct seq_file *m, void *data)
{
struct lprocfs_counter ret;
}
EXPORT_SYMBOL(lprocfs_write_helper);
-int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
- int *val, int mult)
-{
- char kernbuf[20], *end, *pbuf;
-
- if (count > (sizeof(kernbuf) - 1))
- return -EINVAL;
-
- if (copy_from_user(kernbuf, buffer, count))
- return -EFAULT;
-
- kernbuf[count] = '\0';
- pbuf = kernbuf;
- if (*pbuf == '-') {
- mult = -mult;
- pbuf++;
- }
-
- *val = (int)simple_strtoul(pbuf, &end, 10) * mult;
- if (pbuf == end)
- return -EINVAL;
-
- if (end != NULL && *end == '.') {
- int temp_val, pow = 1;
- int i;
-
- pbuf = end + 1;
- if (strlen(pbuf) > 5)
- pbuf[5] = '\0'; /*only allow 5bits fractional*/
-
- temp_val = (int)simple_strtoul(pbuf, &end, 10) * mult;
-
- if (pbuf < end) {
- for (i = 0; i < (end - pbuf); i++)
- pow *= 10;
-
- *val += temp_val / pow;
- }
- }
- return 0;
-}
-EXPORT_SYMBOL(lprocfs_write_frac_helper);
-
-int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val,
- int mult)
-{
- long decimal_val, frac_val;
- int prtn;
-
- if (count < 10)
- return -EINVAL;
-
- decimal_val = val / mult;
- prtn = snprintf(buffer, count, "%ld", decimal_val);
- frac_val = val % mult;
-
- if (prtn < (count - 4) && frac_val > 0) {
- long temp_frac;
- int i, temp_mult = 1, frac_bits = 0;
-
- temp_frac = frac_val * 10;
- buffer[prtn++] = '.';
- while (frac_bits < 2 && (temp_frac / mult) < 1 ) {
- /* only reserved 2 bits fraction */
- buffer[prtn++] ='0';
- temp_frac *= 10;
- frac_bits++;
- }
- /*
- * Need to think these cases :
- * 1. #echo x.00 > /proc/xxx output result : x
- * 2. #echo x.0x > /proc/xxx output result : x.0x
- * 3. #echo x.x0 > /proc/xxx output result : x.x
- * 4. #echo x.xx > /proc/xxx output result : x.xx
- * Only reserved 2 bits fraction.
- */
- for (i = 0; i < (5 - prtn); i++)
- temp_mult *= 10;
-
- frac_bits = min((int)count - prtn, 3 - frac_bits);
- prtn += snprintf(buffer + prtn, frac_bits, "%ld",
- frac_val * temp_mult / mult);
-
- prtn--;
- while(buffer[prtn] < '1' || buffer[prtn] > '9') {
- prtn--;
- if (buffer[prtn] == '.') {
- prtn--;
- break;
- }
- }
- prtn++;
- }
- buffer[prtn++] ='\n';
- return prtn;
-}
-EXPORT_SYMBOL(lprocfs_read_frac_helper);
-
int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult)
{
long decimal_val, frac_val;
}
EXPORT_SYMBOL(lprocfs_obd_rd_max_pages_per_rpc);
-#endif /* LPROCFS*/
+#endif
projects / cascardo / linux.git / blobdiff