orangefs: Allow dcache and getattr cache time to be configured.
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c
index dcb55bb..2521af6 100644
--- a/fs/orangefs/dcache.c
+++ b/fs/orangefs/dcache.c
@@ -73,7 +73,7 @@
}
}
- dentry->d_time = jiffies + HZ;
+ dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ret = 1;
out_release_op:
op_release(new_op);
diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c
index dde6c36..77071b7 100644
--- a/fs/orangefs/namei.c
+++ b/fs/orangefs/namei.c
@@ -72,7 +72,7 @@
d_instantiate(dentry, inode);
unlock_new_inode(inode);
- dentry->d_time = jiffies + HZ;
+ dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ORANGEFS_I(inode)->getattr_time = 0;
gossip_debug(GOSSIP_NAME_DEBUG,
@@ -183,7 +183,7 @@
goto out;
}
- dentry->d_time = jiffies + HZ;
+ dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn);
if (IS_ERR(inode)) {
@@ -322,7 +322,7 @@
d_instantiate(dentry, inode);
unlock_new_inode(inode);
- dentry->d_time = jiffies + HZ;
+ dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ORANGEFS_I(inode)->getattr_time = 0;
gossip_debug(GOSSIP_NAME_DEBUG,
@@ -386,7 +386,7 @@
d_instantiate(dentry, inode);
unlock_new_inode(inode);
- dentry->d_time = jiffies + HZ;
+ dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
ORANGEFS_I(inode)->getattr_time = 0;
gossip_debug(GOSSIP_NAME_DEBUG,
diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h
index 9338fe6..633c07a 100644
--- a/fs/orangefs/orangefs-kernel.h
+++ b/fs/orangefs/orangefs-kernel.h
@@ -548,6 +548,8 @@
extern int debug;
extern int op_timeout_secs;
extern int slot_timeout_secs;
+extern int dcache_timeout_msecs;
+extern int getattr_timeout_msecs;
extern struct list_head orangefs_superblocks;
extern spinlock_t orangefs_superblocks_lock;
extern struct list_head orangefs_request_list;
diff --git a/fs/orangefs/orangefs-mod.c b/fs/orangefs/orangefs-mod.c
index 6f072a8..1caef0a 100644
--- a/fs/orangefs/orangefs-mod.c
+++ b/fs/orangefs/orangefs-mod.c
@@ -47,6 +47,8 @@
unsigned int kernel_mask_set_mod_init; /* implicitly false */
int op_timeout_secs = ORANGEFS_DEFAULT_OP_TIMEOUT_SECS;
int slot_timeout_secs = ORANGEFS_DEFAULT_SLOT_TIMEOUT_SECS;
+int dcache_timeout_msecs = 1000;
+int getattr_timeout_msecs = 1000;
MODULE_LICENSE("GPL");
MODULE_AUTHOR("ORANGEFS Development Team");
diff --git a/fs/orangefs/orangefs-sysfs.c b/fs/orangefs/orangefs-sysfs.c
index 5c03113..375708c 100644
--- a/fs/orangefs/orangefs-sysfs.c
+++ b/fs/orangefs/orangefs-sysfs.c
@@ -61,10 +61,21 @@
* Slots are requested and waited for,
* the wait times out after slot_timeout_secs.
*
+ * What: /sys/fs/orangefs/dcache_timeout_msecs
+ * Date: Jul 2016
+ * Contact: Martin Brandenburg <martin@omnibond.com>
+ * Description:
+ * Time lookup is valid in milliseconds.
+ *
+ * What: /sys/fs/orangefs/getattr_timeout_msecs
+ * Date: Jul 2016
+ * Contact: Martin Brandenburg <martin@omnibond.com>
+ * Description:
+ * Time getattr is valid in milliseconds.
*
* What: /sys/fs/orangefs/acache/...
* Date: Jun 2015
- * Contact: Mike Marshall <hubcap@omnibond.com>
+ * Contact: Martin Brandenburg <martin@omnibond.com>
* Description:
* Attribute cache configurable settings.
*
@@ -117,6 +128,8 @@
int perf_history_size;
int perf_time_interval_secs;
int slot_timeout_secs;
+ int dcache_timeout_msecs;
+ int getattr_timeout_msecs;
};
struct acache_orangefs_obj {
@@ -658,6 +671,20 @@
"%d\n",
slot_timeout_secs);
goto out;
+ } else if (!strcmp(orangefs_attr->attr.name,
+ "dcache_timeout_msecs")) {
+ rc = scnprintf(buf,
+ PAGE_SIZE,
+ "%d\n",
+ dcache_timeout_msecs);
+ goto out;
+ } else if (!strcmp(orangefs_attr->attr.name,
+ "getattr_timeout_msecs")) {
+ rc = scnprintf(buf,
+ PAGE_SIZE,
+ "%d\n",
+ getattr_timeout_msecs);
+ goto out;
} else {
goto out;
}
@@ -734,6 +761,12 @@
} else if (!strcmp(attr->attr.name, "slot_timeout_secs")) {
rc = kstrtoint(buf, 0, &slot_timeout_secs);
goto out;
+ } else if (!strcmp(attr->attr.name, "dcache_timeout_msecs")) {
+ rc = kstrtoint(buf, 0, &dcache_timeout_msecs);
+ goto out;
+ } else if (!strcmp(attr->attr.name, "getattr_timeout_msecs")) {
+ rc = kstrtoint(buf, 0, &getattr_timeout_msecs);
+ goto out;
} else {
goto out;
}
@@ -1361,6 +1394,12 @@
static struct orangefs_attribute slot_timeout_secs_attribute =
__ATTR(slot_timeout_secs, 0664, int_orangefs_show, int_store);
+static struct orangefs_attribute dcache_timeout_msecs_attribute =
+ __ATTR(dcache_timeout_msecs, 0664, int_orangefs_show, int_store);
+
+static struct orangefs_attribute getattr_timeout_msecs_attribute =
+ __ATTR(getattr_timeout_msecs, 0664, int_orangefs_show, int_store);
+
static struct orangefs_attribute perf_counter_reset_attribute =
__ATTR(perf_counter_reset,
0664,
@@ -1382,6 +1421,8 @@
static struct attribute *orangefs_default_attrs[] = {
&op_timeout_secs_attribute.attr,
&slot_timeout_secs_attribute.attr,
+ &dcache_timeout_msecs_attribute.attr,
+ &getattr_timeout_msecs_attribute.attr,
&perf_counter_reset_attribute.attr,
&perf_history_size_attribute.attr,
&perf_time_interval_secs_attribute.attr,
diff --git a/fs/orangefs/orangefs-utils.c b/fs/orangefs/orangefs-utils.c
index 69b4d8a..cd512a3 100644
--- a/fs/orangefs/orangefs-utils.c
+++ b/fs/orangefs/orangefs-utils.c
@@ -347,7 +347,7 @@
inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) |
orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes);
- orangefs_inode->getattr_time = jiffies + HZ;
+ orangefs_inode->getattr_time = jiffies + getattr_timeout_msecs*HZ/1000;
ret = 0;
out:
op_release(new_op);