5 files changed, 11 insertions, 37 deletions

diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index eed551d8555f..633da5e37299 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -6,6 +6,7 @@
 
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/fs_struct.h>
 #include <net/9p/9p.h>
 #include <net/9p/client.h>
 #include <linux/slab.h>
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index f3248a3e5402..c1acbc98465d 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -66,7 +66,6 @@ static int __v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
 	struct p9_fid *fid;
 	struct inode *inode;
 	struct v9fs_inode *v9inode;
-	unsigned int cached;
 
 	if (flags & LOOKUP_RCU)
 		return -ECHILD;
@@ -76,11 +75,7 @@ static int __v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
 		goto out_valid;
 
 	v9inode = V9FS_I(inode);
-	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
-
-	cached = v9ses->cache & (CACHE_META | CACHE_LOOSE);
-
-	if (!cached || v9inode->cache_validity & V9FS_INO_INVALID_ATTR) {
+	if (v9inode->cache_validity & V9FS_INO_INVALID_ATTR) {
 		int retval;
 		struct v9fs_session_info *v9ses;
 
@@ -114,6 +109,7 @@ static int __v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
 			p9_debug(P9_DEBUG_VFS,
 				"refresh inode: dentry = %pd (%p), got error %pe\n",
 				dentry, dentry, ERR_PTR(retval));
+		if (retval < 0)
 			return retval;
 		}
 	}
@@ -150,8 +146,6 @@ const struct dentry_operations v9fs_cached_dentry_operations = {
 };
 
 const struct dentry_operations v9fs_dentry_operations = {
-	.d_revalidate = v9fs_lookup_revalidate,
-	.d_weak_revalidate = __v9fs_lookup_revalidate,
 	.d_release = v9fs_dentry_release,
 	.d_unalias_trylock = v9fs_dentry_unalias_trylock,
 	.d_unalias_unlock = v9fs_dentry_unalias_unlock,
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index eb0b083da269..612a230bc012 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -483,24 +483,15 @@ v9fs_vm_page_mkwrite(struct vm_fault *vmf)
 
 static void v9fs_mmap_vm_close(struct vm_area_struct *vma)
 {
-	struct inode *inode;
-
-	struct writeback_control wbc = {
-		.nr_to_write = LONG_MAX,
-		.sync_mode = WB_SYNC_ALL,
-		.range_start = (loff_t)vma->vm_pgoff * PAGE_SIZE,
-		 /* absolute end, byte at end included */
-		.range_end = (loff_t)vma->vm_pgoff * PAGE_SIZE +
-			(vma->vm_end - vma->vm_start - 1),
-	};
-
 	if (!(vma->vm_flags & VM_SHARED))
 		return;
 
 	p9_debug(P9_DEBUG_VFS, "9p VMA close, %p, flushing", vma);
 
-	inode = file_inode(vma->vm_file);
-	filemap_fdatawrite_wbc(inode->i_mapping, &wbc);
+	filemap_fdatawrite_range(file_inode(vma->vm_file)->i_mapping,
+			(loff_t)vma->vm_pgoff * PAGE_SIZE,
+			(loff_t)vma->vm_pgoff * PAGE_SIZE +
+				(vma->vm_end - vma->vm_start - 1));
 }
 
 static const struct vm_operations_struct v9fs_mmap_file_vm_ops = {
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 69f378a83775..8666c9c62258 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -422,7 +422,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb,
 	inode = iget5_locked(sb, QID2INO(qid), test, v9fs_set_inode, st);
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
-	if (!(inode->i_state & I_NEW))
+	if (!(inode_state_read_once(inode) & I_NEW))
 		return inode;
 	/*
 	 * initialize the inode with the stat info
@@ -1339,14 +1339,8 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
 	 * Don't update inode if the file type is different
 	 */
 	umode = p9mode2unixmode(v9ses, st, &rdev);
-	if (inode_wrong_type(inode, umode)) {
-		/*
-		 * Do this as a way of letting the caller know the inode should not
-		 * be reused
-		 */
-		v9fs_invalidate_inode_attr(inode);
+	if (inode_wrong_type(inode, umode))
 		goto out;
-	}
 
 	/*
 	 * We don't want to refresh inode->i_size,
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 0b404e8484d2..1661a25f2772 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -112,7 +112,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb,
 	inode = iget5_locked(sb, QID2INO(qid), test, v9fs_set_inode_dotl, st);
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
-	if (!(inode->i_state & I_NEW))
+	if (!(inode_state_read_once(inode) & I_NEW))
 		return inode;
 	/*
 	 * initialize the inode with the stat info
@@ -897,14 +897,8 @@ int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
 	/*
 	 * Don't update inode if the file type is different
 	 */
-	if (inode_wrong_type(inode, st->st_mode)) {
-		/*
-		 * Do this as a way of letting the caller know the inode should not
-		 * be reused
-		 */
-		v9fs_invalidate_inode_attr(inode);
+	if (inode_wrong_type(inode, st->st_mode))
 		goto out;
-	}
 
 	/*
 	 * We don't want to refresh inode->i_size,