[MTD] ck804xrom: fix a pci_find_device

[linux-2.6-omap-h63xx.git] / fs / ocfs2 / dir.c

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 5efea44d780dd8e32fbafa3415edc3f50be57229..66821e178167d385866ce28c9d079425cf41b850 100644 (file)
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -79,9 +79,10 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
        struct buffer_head * bh, * tmp;
        struct ocfs2_dir_entry * de;
        int err;
-       struct inode *inode = filp->f_dentry->d_inode;
+       struct inode *inode = filp->f_path.dentry->d_inode;
        struct super_block * sb = inode->i_sb;
        unsigned int ra_sectors = 16;
+       int lock_level = 0;
 
        mlog_entry("dirino=%llu\n",
                   (unsigned long long)OCFS2_I(inode)->ip_blkno);
@@ -89,7 +90,15 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
        stored = 0;
        bh = NULL;
 
-       error = ocfs2_meta_lock(inode, NULL, 0);
+       error = ocfs2_meta_lock_atime(inode, filp->f_vfsmnt, &lock_level);
+       if (lock_level && error >= 0) {
+               /* We release EX lock which used to update atime
+                * and get PR lock again to reduce contention
+                * on commonly accessed directories. */
+               ocfs2_meta_unlock(inode, 1);
+               lock_level = 0;
+               error = ocfs2_meta_lock(inode, NULL, 0);
+       }
        if (error < 0) {
                if (error != -ENOENT)
                        mlog_errno(error);
@@ -198,7 +207,7 @@ revalidate:
 
        stored = 0;
 bail:
-       ocfs2_meta_unlock(inode, 0);
+       ocfs2_meta_unlock(inode, lock_level);
 
 bail_nolock:
        mlog_exit(stored);