Merge commit 'v2.6.28-rc2' into tracing/urgent

5 files changed, 20 insertions, 34 deletions

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index a804903d31d..33408417038 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -296,6 +296,7 @@ const struct file_operations reiserfs_file_operations = {
 	.aio_write = generic_file_aio_write,
 	.splice_read = generic_file_splice_read,
 	.splice_write = generic_file_splice_write,
+	.llseek = generic_file_llseek,
 };
 
 const struct inode_operations reiserfs_file_inode_operations = {
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 5699171212a..6c4c2c69449 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1522,7 +1522,6 @@ static struct dentry *reiserfs_get_dentry(struct super_block *sb,
 
 {
 	struct cpu_key key;
-	struct dentry *result;
 	struct inode *inode;
 
 	key.on_disk_key.k_objectid = objectid;
@@ -1535,16 +1534,8 @@ static struct dentry *reiserfs_get_dentry(struct super_block *sb,
 		inode = NULL;
 	}
 	reiserfs_write_unlock(sb);
-	if (!inode)
-		inode = ERR_PTR(-ESTALE);
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-	result = d_alloc_anon(inode);
-	if (!result) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	return result;
+
+	return d_obtain_alias(inode);
 }
 
 struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index c21df71943a..9643c3bbeb3 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2575,7 +2575,7 @@ static int release_journal_dev(struct super_block *super,
 	if (journal->j_dev_bd != NULL) {
 		if (journal->j_dev_bd->bd_dev != super->s_dev)
 			bd_release(journal->j_dev_bd);
-		result = blkdev_put(journal->j_dev_bd);
+		result = blkdev_put(journal->j_dev_bd, journal->j_dev_mode);
 		journal->j_dev_bd = NULL;
 	}
 
@@ -2593,7 +2593,7 @@ static int journal_init_dev(struct super_block *super,
 {
 	int result;
 	dev_t jdev;
-	int blkdev_mode = FMODE_READ | FMODE_WRITE;
+	fmode_t blkdev_mode = FMODE_READ | FMODE_WRITE;
 	char b[BDEVNAME_SIZE];
 
 	result = 0;
@@ -2608,6 +2608,7 @@ static int journal_init_dev(struct super_block *super,
 	/* there is no "jdev" option and journal is on separate device */
 	if ((!jdev_name || !jdev_name[0])) {
 		journal->j_dev_bd = open_by_devnum(jdev, blkdev_mode);
+		journal->j_dev_mode = blkdev_mode;
 		if (IS_ERR(journal->j_dev_bd)) {
 			result = PTR_ERR(journal->j_dev_bd);
 			journal->j_dev_bd = NULL;
@@ -2618,7 +2619,7 @@ static int journal_init_dev(struct super_block *super,
 		} else if (jdev != super->s_dev) {
 			result = bd_claim(journal->j_dev_bd, journal);
 			if (result) {
-				blkdev_put(journal->j_dev_bd);
+				blkdev_put(journal->j_dev_bd, blkdev_mode);
 				return result;
 			}
 
@@ -2628,7 +2629,9 @@ static int journal_init_dev(struct super_block *super,
 		return 0;
 	}
 
-	journal->j_dev_bd = open_bdev_excl(jdev_name, 0, journal);
+	journal->j_dev_mode = blkdev_mode;
+	journal->j_dev_bd = open_bdev_exclusive(jdev_name,
+						blkdev_mode, journal);
 	if (IS_ERR(journal->j_dev_bd)) {
 		result = PTR_ERR(journal->j_dev_bd);
 		journal->j_dev_bd = NULL;
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index c1add28dd45..f89ebb943f3 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -383,7 +383,6 @@ struct dentry *reiserfs_get_parent(struct dentry *child)
 	struct inode *inode = NULL;
 	struct reiserfs_dir_entry de;
 	INITIALIZE_PATH(path_to_entry);
-	struct dentry *parent;
 	struct inode *dir = child->d_inode;
 
 	if (dir->i_nlink == 0) {
@@ -401,15 +400,7 @@ struct dentry *reiserfs_get_parent(struct dentry *child)
 	inode = reiserfs_iget(dir->i_sb, (struct cpu_key *)&(de.de_dir_id));
 	reiserfs_write_unlock(dir->i_sb);
 
-	if (!inode || IS_ERR(inode)) {
-		return ERR_PTR(-EACCES);
-	}
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(inode);
 }
 
 /* add entry to the directory (entry can be hidden). 
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index d318c7e663f..663a91f5dce 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2058,10 +2058,10 @@ static int reiserfs_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
-			     char *path, int remount)
+			     char *name, int remount)
 {
 	int err;
-	struct nameidata nd;
+	struct path path;
 	struct inode *inode;
 	struct reiserfs_transaction_handle th;
 
@@ -2069,16 +2069,16 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 		return -EINVAL;
 	/* No more checks needed? Path and format_id are bogus anyway... */
 	if (remount)
-		return vfs_quota_on(sb, type, format_id, path, 1);
-	err = path_lookup(path, LOOKUP_FOLLOW, &nd);
+		return vfs_quota_on(sb, type, format_id, name, 1);
+	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
 		return err;
 	/* Quotafile not on the same filesystem? */
-	if (nd.path.mnt->mnt_sb != sb) {
+	if (path.mnt->mnt_sb != sb) {
 		err = -EXDEV;
 		goto out;
 	}
-	inode = nd.path.dentry->d_inode;
+	inode = path.dentry->d_inode;
 	/* We must not pack tails for quota files on reiserfs for quota IO to work */
 	if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
 		err = reiserfs_unpack(inode, NULL);
@@ -2094,7 +2094,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 	/* Journaling quota? */
 	if (REISERFS_SB(sb)->s_qf_names[type]) {
 		/* Quotafile not of fs root? */
-		if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+		if (path.dentry->d_parent != sb->s_root)
 			reiserfs_warning(sb,
 				 "reiserfs: Quota file not on filesystem root. "
 				 "Journalled quota will not work.");
@@ -2113,9 +2113,9 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 		if (err)
 			goto out;
 	}
-	err = vfs_quota_on_path(sb, type, format_id, &nd.path);
+	err = vfs_quota_on_path(sb, type, format_id, &path);
 out:
-	path_put(&nd.path);
+	path_put(&path);
 	return err;
 }