orangefs: don't use d_time

Instead use d_fsdata which is the same size.  Hoping to get rid of d_time,
which is used by very few filesystems by this time.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c
index 1e8fe84..5355efb 100644 (file)
--- a/fs/orangefs/dcache.c
+++ b/fs/orangefs/dcache.c
@@ -73,7 +73,7 @@ static int orangefs_revalidate_lookup(struct dentry *dentry)
                }
        }
 
-       dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
+       orangefs_set_timeout(dentry);
        ret = 1;
 out_release_op:
        op_release(new_op);
@@ -94,8 +94,9 @@ out_drop:
 static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags)
 {
        int ret;
+       unsigned long time = (unsigned long) dentry->d_fsdata;
 
-       if (time_before(jiffies, dentry->d_time))
+       if (time_before(jiffies, time))
                return 1;
 
        if (flags & LOOKUP_RCU)

diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c
index d15d3d2..a290ff6 100644 (file)
--- a/fs/orangefs/namei.c
+++ b/fs/orangefs/namei.c
@@ -72,7 +72,7 @@ static int orangefs_create(struct inode *dir,
 
        d_instantiate(dentry, inode);
        unlock_new_inode(inode);
-       dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
+       orangefs_set_timeout(dentry);
        ORANGEFS_I(inode)->getattr_time = jiffies - 1;
 
        gossip_debug(GOSSIP_NAME_DEBUG,
@@ -183,7 +183,7 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry,
                goto out;
        }
 
-       dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
+       orangefs_set_timeout(dentry);
 
        inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn);
        if (IS_ERR(inode)) {
@@ -322,7 +322,7 @@ static int orangefs_symlink(struct inode *dir,
 
        d_instantiate(dentry, inode);
        unlock_new_inode(inode);
-       dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
+       orangefs_set_timeout(dentry);
        ORANGEFS_I(inode)->getattr_time = jiffies - 1;
 
        gossip_debug(GOSSIP_NAME_DEBUG,
@@ -386,7 +386,7 @@ 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 + orangefs_dcache_timeout_msecs*HZ/1000;
+       orangefs_set_timeout(dentry);
        ORANGEFS_I(inode)->getattr_time = jiffies - 1;
 
        gossip_debug(GOSSIP_NAME_DEBUG,

diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h
index 0a82048..3bf803d 100644 (file)
--- a/fs/orangefs/orangefs-kernel.h
+++ b/fs/orangefs/orangefs-kernel.h
@@ -580,4 +580,11 @@ static inline void orangefs_i_size_write(struct inode *inode, loff_t i_size)
 #endif
 }
 
+static inline void orangefs_set_timeout(struct dentry *dentry)
+{
+       unsigned long time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
+
+       dentry->d_fsdata = (void *) time;
+}
+
 #endif /* __ORANGEFSKERNEL_H */