Merge branch 'linus' into tracing/ftrace

10 files changed, 17 insertions, 18 deletions

diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index cfd29da714d..0376ac66c44 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -2,7 +2,7 @@
  *      	An implementation of a loadable kernel mode driver providing
  *		multiple kernel/user space bidirectional communications links.
  *
- * 		Author: 	Alan Cox <alan@redhat.com>
+ * 		Author: 	Alan Cox <alan@lxorguk.ukuu.org.uk>
  *
  *		This program is free software; you can redistribute it and/or
  *		modify it under the terms of the GNU General Public License
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 06db79d05c1..6046239465a 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1251,6 +1251,7 @@ struct kmem_cache *ecryptfs_header_cache_2;
 /**
  * ecryptfs_write_headers_virt
  * @page_virt: The virtual address to write the headers to
+ * @max: The size of memory allocated at page_virt
  * @size: Set to the number of bytes written by this function
  * @crypt_stat: The cryptographic context
  * @ecryptfs_dentry: The eCryptfs dentry
@@ -1278,7 +1279,8 @@ struct kmem_cache *ecryptfs_header_cache_2;
  *
  * Returns zero on success
  */
-static int ecryptfs_write_headers_virt(char *page_virt, size_t *size,
+static int ecryptfs_write_headers_virt(char *page_virt, size_t max,
+				       size_t *size,
 				       struct ecryptfs_crypt_stat *crypt_stat,
 				       struct dentry *ecryptfs_dentry)
 {
@@ -1296,7 +1298,7 @@ static int ecryptfs_write_headers_virt(char *page_virt, size_t *size,
 	offset += written;
 	rc = ecryptfs_generate_key_packet_set((page_virt + offset), crypt_stat,
 					      ecryptfs_dentry, &written,
-					      PAGE_CACHE_SIZE - offset);
+					      max - offset);
 	if (rc)
 		ecryptfs_printk(KERN_WARNING, "Error generating key packet "
 				"set; rc = [%d]\n", rc);
@@ -1368,14 +1370,14 @@ int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry)
 		goto out;
 	}
 	/* Released in this function */
-	virt = kzalloc(crypt_stat->num_header_bytes_at_front, GFP_KERNEL);
+	virt = (char *)get_zeroed_page(GFP_KERNEL);
 	if (!virt) {
 		printk(KERN_ERR "%s: Out of memory\n", __func__);
 		rc = -ENOMEM;
 		goto out;
 	}
-	rc = ecryptfs_write_headers_virt(virt, &size, crypt_stat,
-					 ecryptfs_dentry);
+	rc = ecryptfs_write_headers_virt(virt, PAGE_CACHE_SIZE, &size,
+					 crypt_stat, ecryptfs_dentry);
 	if (unlikely(rc)) {
 		printk(KERN_ERR "%s: Error whilst writing headers; rc = [%d]\n",
 		       __func__, rc);
@@ -1393,8 +1395,7 @@ int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry)
 		goto out_free;
 	}
 out_free:
-	memset(virt, 0, crypt_stat->num_header_bytes_at_front);
-	kfree(virt);
+	free_page((unsigned long)virt);
 out:
 	return rc;
 }
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 19eafbe3c37..2b2eec1283b 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -175,7 +175,7 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
 
 	if (rw == WRITE) {
 		/*
-		 * FIXME: blockdev_direct_IO() doesn't use ->prepare_write(),
+		 * FIXME: blockdev_direct_IO() doesn't use ->write_begin(),
 		 * so we need to update the ->mmu_private to block boundary.
 		 *
 		 * But we must fill the remaining area or hole by nul for
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index d15cd6e7251..60d4c32c880 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -860,7 +860,6 @@ out:
  * int journal_get_undo_access() - Notify intent to modify metadata with non-rewindable consequences
  * @handle: transaction
  * @bh: buffer to undo
- * @credits: store the number of taken credits here (if not NULL)
  *
  * Sometimes there is a need to distinguish between metadata which has
  * been committed to disk and that which has not.  The ext3fs code uses
diff --git a/fs/libfs.c b/fs/libfs.c
index 74688598bcf..e960a832190 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -814,7 +814,7 @@ EXPORT_SYMBOL(simple_getattr);
 EXPORT_SYMBOL(simple_link);
 EXPORT_SYMBOL(simple_lookup);
 EXPORT_SYMBOL(simple_pin_fs);
-EXPORT_SYMBOL(simple_prepare_write);
+EXPORT_UNUSED_SYMBOL(simple_prepare_write);
 EXPORT_SYMBOL(simple_readpage);
 EXPORT_SYMBOL(simple_release_fs);
 EXPORT_SYMBOL(simple_rename);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index b9195c02a86..dc52793ff8f 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -5,7 +5,7 @@
  *
  *  nfs inode and superblock handling functions
  *
- *  Modularised by Alan Cox <Alan.Cox@linux.org>, while hacking some
+ *  Modularised by Alan Cox <alan@lxorguk.ukuu.org.uk>, while hacking some
  *  experimental NFS changes. Modularisation taken straight from SYS5 fs.
  *
  *  Change to nfs_read_super() to permit NFS mounts to multi-homed hosts.
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a3b0061dfd4..f48db679a1c 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -5,7 +5,7 @@
  *
  *  nfs superblock handling functions
  *
- *  Modularised by Alan Cox <Alan.Cox@linux.org>, while hacking some
+ *  Modularised by Alan Cox <alan@lxorguk.ukuu.org.uk>, while hacking some
  *  experimental NFS changes. Modularisation taken straight from SYS5 fs.
  *
  *  Change to nfs_read_super() to permit NFS mounts to multi-homed hosts.
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 8d3225a7807..7efe937a415 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -679,8 +679,7 @@ leave:
 
 /* Some parts of this taken from generic_cont_expand, which turned out
  * to be too fragile to do exactly what we need without us having to
- * worry about recursive locking in ->prepare_write() and
- * ->commit_write(). */
+ * worry about recursive locking in ->write_begin() and ->write_end(). */
 static int ocfs2_write_zero_page(struct inode *inode,
 				 u64 size)
 {
diff --git a/fs/proc/array.c b/fs/proc/array.c
index bb9f4b05703..6af7fba7abb 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -40,7 +40,7 @@
  *
  *
  * Alan Cox	     :  security fixes.
- *			<Alan.Cox@linux.org>
+ *			<alan@lxorguk.ukuu.org.uk>
  *
  * Al Viro           :  safe handling of mm_struct
  *
diff --git a/fs/splice.c b/fs/splice.c
index a1e701c2715..1abab5cee4b 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -731,8 +731,8 @@ ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out,
 	};
 
 	/*
-	 * The actor worker might be calling ->prepare_write and
-	 * ->commit_write. Most of the time, these expect i_mutex to
+	 * The actor worker might be calling ->write_begin and
+	 * ->write_end. Most of the time, these expect i_mutex to
 	 * be held. Since this may result in an ABBA deadlock with
 	 * pipe->inode, we have to order lock acquiry here.
 	 */