[PATCH] io-accounting: report in procfs

[linux-2.6] / fs / 9p / vfs_file.c

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 083dcfcd158e1cd3df4e445fdecabdd3c286f8eb..e86a07151280e2acc32a8d33d652d63249382195 100644 (file)
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -26,12 +26,12 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/file.h>
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/smp_lock.h>
 #include <linux/inet.h>
-#include <linux/version.h>
 #include <linux/list.h>
 #include <asm/uaccess.h>
 #include <linux/idr.h>
@@ -60,7 +60,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 
        dprintk(DEBUG_VFS, "inode: %p file: %p \n", inode, file);
 
-       vfid = v9fs_fid_lookup(file->f_dentry);
+       vfid = v9fs_fid_lookup(file->f_path.dentry);
        if (!vfid) {
                dprintk(DEBUG_ERROR, "Couldn't resolve fid from dentry\n");
                return -EBADF;
@@ -72,11 +72,17 @@ int v9fs_file_open(struct inode *inode, struct file *file)
                return -ENOSPC;
        }
 
-       err = v9fs_t_walk(v9ses, vfid->fid, fid, NULL, NULL);
+       err = v9fs_t_walk(v9ses, vfid->fid, fid, NULL, &fcall);
        if (err < 0) {
                dprintk(DEBUG_ERROR, "rewalk didn't work\n");
-               goto put_fid;
+               if (fcall && fcall->id == RWALK)
+                       goto clunk_fid;
+               else {
+                       v9fs_put_idpool(fid, &v9ses->fidpool);
+                       goto free_fcall;
+               }
        }
+       kfree(fcall);
 
        /* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */
        /* translate open mode appropriately */
@@ -109,8 +115,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 clunk_fid:
        v9fs_t_clunk(v9ses, fid);
 
-put_fid:
-       v9fs_put_idpool(fid, &v9ses->fidpool);
+free_fcall:
        kfree(fcall);
 
        return err;
@@ -128,7 +133,7 @@ put_fid:
 static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
 {
        int res = 0;
-       struct inode *inode = filp->f_dentry->d_inode;
+       struct inode *inode = filp->f_path.dentry->d_inode;
 
        dprintk(DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
 
@@ -156,7 +161,7 @@ static ssize_t
 v9fs_file_read(struct file *filp, char __user * data, size_t count,
               loff_t * offset)
 {
-       struct inode *inode = filp->f_dentry->d_inode;
+       struct inode *inode = filp->f_path.dentry->d_inode;
        struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
        struct v9fs_fid *v9f = filp->private_data;
        struct v9fs_fcall *fcall = NULL;
@@ -220,7 +225,7 @@ static ssize_t
 v9fs_file_write(struct file *filp, const char __user * data,
                size_t count, loff_t * offset)
 {
-       struct inode *inode = filp->f_dentry->d_inode;
+       struct inode *inode = filp->f_path.dentry->d_inode;
        struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
        struct v9fs_fid *v9fid = filp->private_data;
        struct v9fs_fcall *fcall;