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Commit 31b7c1ab authored by Martin Brandenburg's avatar Martin Brandenburg
Browse files

orangefs: Use d_time to avoid excessive lookups 



Signed-off-by: default avatarMartin Brandenburg <martin@omnibond.com>
parent f7b32e4c

fs/orangefs/dcache.c

+4 −0
Original line number Diff line number Diff line
@@ -73,6 +73,7 @@ static int orangefs_revalidate_lookup(struct dentry *dentry) 
		}

	}



	dentry->d_time = jiffies + HZ;

	ret = 1;

out_release_op:

	op_release(new_op);
@@ -94,6 +95,9 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags) 
{

	int ret;



	if (dentry->d_time > jiffies)

		return 1;



	if (flags & LOOKUP_RCU)

		return -ECHILD;

fs/orangefs/namei.c

+5 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ static int orangefs_create(struct inode *dir, 


	d_instantiate(dentry, inode);

	unlock_new_inode(inode);

	dentry->d_time = jiffies + HZ;



	gossip_debug(GOSSIP_NAME_DEBUG,

		     "%s: dentry instantiated for %s\n",
@@ -181,6 +182,8 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry, 
		goto out;

	}



	dentry->d_time = jiffies + HZ;



	inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn);

	if (IS_ERR(inode)) {

		gossip_debug(GOSSIP_NAME_DEBUG,
@@ -316,6 +319,7 @@ static int orangefs_symlink(struct inode *dir, 


	d_instantiate(dentry, inode);

	unlock_new_inode(inode);

	dentry->d_time = jiffies + HZ;



	gossip_debug(GOSSIP_NAME_DEBUG,

		     "Inode (Symlink) %pU -> %s\n",
@@ -378,6 +382,7 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode 


	d_instantiate(dentry, inode);

	unlock_new_inode(inode);

	dentry->d_time = jiffies + HZ;



	gossip_debug(GOSSIP_NAME_DEBUG,

		     "Inode (Directory) %pU -> %s\n",