Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks

7 files changed, 14 insertions, 117 deletions

diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index 00e9ccde8e4..b38f944f066 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -1194,7 +1194,7 @@ lock_retry_remap:
 		tbh = bhs[i];
 		if (!tbh)
 			continue;
-		if (unlikely(test_set_buffer_locked(tbh)))
+		if (!trylock_buffer(tbh))
 			BUG();
 		/* The buffer dirty state is now irrelevant, just clean it. */
 		clear_buffer_dirty(tbh);
diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c
index 33ff314cc50..9669541d011 100644
--- a/fs/ntfs/compress.c
+++ b/fs/ntfs/compress.c
@@ -665,7 +665,7 @@ lock_retry_remap:
 	for (i = 0; i < nr_bhs; i++) {
 		struct buffer_head *tbh = bhs[i];
 
-		if (unlikely(test_set_buffer_locked(tbh)))
+		if (!trylock_buffer(tbh))
 			continue;
 		if (unlikely(buffer_uptodate(tbh))) {
 			unlock_buffer(tbh);
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 3c5550cd11d..3140a4429af 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -439,7 +439,7 @@ static inline int __ntfs_grab_cache_pages(struct address_space *mapping,
 			pages[nr] = *cached_page;
 			page_cache_get(*cached_page);
 			if (unlikely(!pagevec_add(lru_pvec, *cached_page)))
-				__pagevec_lru_add(lru_pvec);
+				__pagevec_lru_add_file(lru_pvec);
 			*cached_page = NULL;
 		}
 		index++;
@@ -2084,7 +2084,7 @@ err_out:
 						OSYNC_METADATA|OSYNC_DATA);
 		}
   	}
-	pagevec_lru_add(&lru_pvec);
+	pagevec_lru_add_file(&lru_pvec);
 	ntfs_debug("Done.  Returning %s (written 0x%lx, status %li).",
 			written ? "written" : "status", (unsigned long)written,
 			(long)status);
@@ -2118,7 +2118,7 @@ static ssize_t ntfs_file_aio_write_nolock(struct kiocb *iocb,
 		goto out;
 	if (!count)
 		goto out;
-	err = remove_suid(file->f_path.dentry);
+	err = file_remove_suid(file);
 	if (err)
 		goto out;
 	file_update_time(file);
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index 790defb847e..17d32ca6bc3 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -586,7 +586,7 @@ int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no,
 		for (i_bhs = 0; i_bhs < nr_bhs; i_bhs++) {
 			struct buffer_head *tbh = bhs[i_bhs];
 
-			if (unlikely(test_set_buffer_locked(tbh)))
+			if (!trylock_buffer(tbh))
 				BUG();
 			BUG_ON(!buffer_uptodate(tbh));
 			clear_buffer_dirty(tbh);
@@ -779,7 +779,7 @@ int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync)
 	for (i_bhs = 0; i_bhs < nr_bhs; i_bhs++) {
 		struct buffer_head *tbh = bhs[i_bhs];
 
-		if (unlikely(test_set_buffer_locked(tbh)))
+		if (!trylock_buffer(tbh))
 			BUG();
 		BUG_ON(!buffer_uptodate(tbh));
 		clear_buffer_dirty(tbh);
diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c
index e1781c8b165..2ca00153b6e 100644
--- a/fs/ntfs/namei.c
+++ b/fs/ntfs/namei.c
@@ -174,7 +174,6 @@ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent,
 	// TODO: Consider moving this lot to a separate function! (AIA)
 handle_name:
    {
-	struct dentry *real_dent, *new_dent;
 	MFT_RECORD *m;
 	ntfs_attr_search_ctx *ctx;
 	ntfs_inode *ni = NTFS_I(dent_inode);
@@ -255,93 +254,9 @@ handle_name:
 	}
 	nls_name.hash = full_name_hash(nls_name.name, nls_name.len);
 
-	/*
-	 * Note: No need for dent->d_lock lock as i_mutex is held on the
-	 * parent inode.
-	 */
-
-	/* Does a dentry matching the nls_name exist already? */
-	real_dent = d_lookup(dent->d_parent, &nls_name);
-	/* If not, create it now. */
-	if (!real_dent) {
-		real_dent = d_alloc(dent->d_parent, &nls_name);
-		kfree(nls_name.name);
-		if (!real_dent) {
-			err = -ENOMEM;
-			goto err_out;
-		}
-		new_dent = d_splice_alias(dent_inode, real_dent);
-		if (new_dent)
-			dput(real_dent);
-		else
-			new_dent = real_dent;
-		ntfs_debug("Done.  (Created new dentry.)");
-		return new_dent;
-	}
+	dent = d_add_ci(dent, dent_inode, &nls_name);
 	kfree(nls_name.name);
-	/* Matching dentry exists, check if it is negative. */
-	if (real_dent->d_inode) {
-		if (unlikely(real_dent->d_inode != dent_inode)) {
-			/* This can happen because bad inodes are unhashed. */
-			BUG_ON(!is_bad_inode(dent_inode));
-			BUG_ON(!is_bad_inode(real_dent->d_inode));
-		}
-		/*
-		 * Already have the inode and the dentry attached, decrement
-		 * the reference count to balance the ntfs_iget() we did
-		 * earlier on.  We found the dentry using d_lookup() so it
-		 * cannot be disconnected and thus we do not need to worry
-		 * about any NFS/disconnectedness issues here.
-		 */
-		iput(dent_inode);
-		ntfs_debug("Done.  (Already had inode and dentry.)");
-		return real_dent;
-	}
-	/*
-	 * Negative dentry: instantiate it unless the inode is a directory and
-	 * has a 'disconnected' dentry (i.e. IS_ROOT and DCACHE_DISCONNECTED),
-	 * in which case d_move() that in place of the found dentry.
-	 */
-	if (!S_ISDIR(dent_inode->i_mode)) {
-		/* Not a directory; everything is easy. */
-		d_instantiate(real_dent, dent_inode);
-		ntfs_debug("Done.  (Already had negative file dentry.)");
-		return real_dent;
-	}
-	spin_lock(&dcache_lock);
-	if (list_empty(&dent_inode->i_dentry)) {
-		/*
-		 * Directory without a 'disconnected' dentry; we need to do
-		 * d_instantiate() by hand because it takes dcache_lock which
-		 * we already hold.
-		 */
-		list_add(&real_dent->d_alias, &dent_inode->i_dentry);
-		real_dent->d_inode = dent_inode;
-		spin_unlock(&dcache_lock);
-		security_d_instantiate(real_dent, dent_inode);
-		ntfs_debug("Done.  (Already had negative directory dentry.)");
-		return real_dent;
-	}
-	/*
-	 * Directory with a 'disconnected' dentry; get a reference to the
-	 * 'disconnected' dentry.
-	 */
-	new_dent = list_entry(dent_inode->i_dentry.next, struct dentry,
-			d_alias);
-	dget_locked(new_dent);
-	spin_unlock(&dcache_lock);
-	/* Do security vodoo. */
-	security_d_instantiate(real_dent, dent_inode);
-	/* Move new_dent in place of real_dent. */
-	d_move(new_dent, real_dent);
-	/* Balance the ntfs_iget() we did above. */
-	iput(dent_inode);
-	/* Throw away real_dent. */
-	dput(real_dent);
-	/* Use new_dent as the actual dentry. */
-	ntfs_debug("Done.  (Already had negative, disconnected directory "
-			"dentry.)");
-	return new_dent;
+	return dent;
 
 eio_err_out:
 	ntfs_error(vol->sb, "Illegal file name attribute. Run chkdsk.");
@@ -389,8 +304,6 @@ static struct dentry *ntfs_get_parent(struct dentry *child_dent)
 	ntfs_attr_search_ctx *ctx;
 	ATTR_RECORD *attr;
 	FILE_NAME_ATTR *fn;
-	struct inode *parent_vi;
-	struct dentry *parent_dent;
 	unsigned long parent_ino;
 	int err;
 
@@ -430,24 +343,8 @@ try_next:
 	/* Release the search context and the mft record of the child. */
 	ntfs_attr_put_search_ctx(ctx);
 	unmap_mft_record(ni);
-	/* Get the inode of the parent directory. */
-	parent_vi = ntfs_iget(vi->i_sb, parent_ino);
-	if (IS_ERR(parent_vi) || unlikely(is_bad_inode(parent_vi))) {
-		if (!IS_ERR(parent_vi))
-			iput(parent_vi);
-		ntfs_error(vi->i_sb, "Failed to get parent directory inode "
-				"0x%lx of child inode 0x%lx.", parent_ino,
-				vi->i_ino);
-		return ERR_PTR(-EACCES);
-	}
-	/* Finally get a dentry for the parent directory and return it. */
-	parent_dent = d_alloc_anon(parent_vi);
-	if (unlikely(!parent_dent)) {
-		iput(parent_vi);
-		return ERR_PTR(-ENOMEM);
-	}
-	ntfs_debug("Done for inode 0x%lx.", vi->i_ino);
-	return parent_dent;
+
+	return d_obtain_alias(ntfs_iget(vi->i_sb, parent_ino));
 }
 
 static struct inode *ntfs_nfs_get_inode(struct super_block *sb,
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 3e76f3b216b..4a46743b507 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -3080,7 +3080,7 @@ struct kmem_cache *ntfs_inode_cache;
 struct kmem_cache *ntfs_big_inode_cache;
 
 /* Init once constructor for the inode slab cache. */
-static void ntfs_big_inode_init_once(struct kmem_cache *cachep, void *foo)
+static void ntfs_big_inode_init_once(void *foo)
 {
 	ntfs_inode *ni = (ntfs_inode *)foo;
 
diff --git a/fs/ntfs/usnjrnl.h b/fs/ntfs/usnjrnl.h
index 3a8af75351e..4087fbdac32 100644
--- a/fs/ntfs/usnjrnl.h
+++ b/fs/ntfs/usnjrnl.h
@@ -113,7 +113,7 @@ typedef struct {
  * Reason flags (32-bit).  Cumulative flags describing the change(s) to the
  * file since it was last opened.  I think the names speak for themselves but
  * if you disagree check out the descriptions in the Linux NTFS project NTFS
- * documentation: http://linux-ntfs.sourceforge.net/ntfs/files/usnjrnl.html
+ * documentation: http://www.linux-ntfs.org/
  */
 enum {
 	USN_REASON_DATA_OVERWRITE	= const_cpu_to_le32(0x00000001),
@@ -145,7 +145,7 @@ typedef le32 USN_REASON_FLAGS;
  * Source info flags (32-bit).  Information about the source of the change(s)
  * to the file.  For detailed descriptions of what these mean, see the Linux
  * NTFS project NTFS documentation:
- *	http://linux-ntfs.sourceforge.net/ntfs/files/usnjrnl.html
+ *	http://www.linux-ntfs.org/
  */
 enum {
 	USN_SOURCE_DATA_MANAGEMENT	  = const_cpu_to_le32(0x00000001),