X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fecryptfs%2Ffile.c;h=94f456fe4d9b70487686a707b9954d49895a3fb4;hb=1fa503df66f7bffc0ff62662626897eec79446c2;hp=7a7d25d541e727cb4515acb771c3e077773c5a20;hpb=cb2ebc59ff52cee770cfd6ba5f23a6cc3c214648;p=linux-2.6-omap-h63xx.git

diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 7a7d25d541e..94f456fe4d9 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -28,68 +28,10 @@
 #include <linux/mount.h>
 #include <linux/pagemap.h>
 #include <linux/security.h>
-#include <linux/smp_lock.h>
 #include <linux/compat.h>
 #include <linux/fs_stack.h>
 #include "ecryptfs_kernel.h"
 
-/**
- * ecryptfs_llseek
- * @file: File we are seeking in
- * @offset: The offset to seek to
- * @origin: 2 - offset from i_size; 1 - offset from f_pos
- *
- * Returns the position we have seeked to, or negative on error
- */
-static loff_t ecryptfs_llseek(struct file *file, loff_t offset, int origin)
-{
-	loff_t rv;
-	loff_t new_end_pos;
-	int rc;
-	int expanding_file = 0;
-	struct inode *inode = file->f_mapping->host;
-
-	/* If our offset is past the end of our file, we're going to
-	 * need to grow it so we have a valid length of 0's */
-	new_end_pos = offset;
-	switch (origin) {
-	case 2:
-		new_end_pos += i_size_read(inode);
-		expanding_file = 1;
-		break;
-	case 1:
-		new_end_pos += file->f_pos;
-		if (new_end_pos > i_size_read(inode)) {
-			ecryptfs_printk(KERN_DEBUG, "new_end_pos(=[0x%.16x]) "
-					"> i_size_read(inode)(=[0x%.16x])\n",
-					new_end_pos, i_size_read(inode));
-			expanding_file = 1;
-		}
-		break;
-	default:
-		if (new_end_pos > i_size_read(inode)) {
-			ecryptfs_printk(KERN_DEBUG, "new_end_pos(=[0x%.16x]) "
-					"> i_size_read(inode)(=[0x%.16x])\n",
-					new_end_pos, i_size_read(inode));
-			expanding_file = 1;
-		}
-	}
-	ecryptfs_printk(KERN_DEBUG, "new_end_pos = [0x%.16x]\n", new_end_pos);
-	if (expanding_file) {
-		rc = ecryptfs_truncate(file->f_path.dentry, new_end_pos);
-		if (rc) {
-			rv = rc;
-			ecryptfs_printk(KERN_ERR, "Error on attempt to "
-					"truncate to (higher) offset [0x%.16x];"
-					" rc = [%d]\n", new_end_pos, rc);
-			goto out;
-		}
-	}
-	rv = generic_file_llseek(file, offset, origin);
-out:
-	return rv;
-}
-
 /**
  * ecryptfs_read_update_atime
  *
@@ -396,16 +338,17 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag)
 	return rc;
 }
 
-static ssize_t ecryptfs_sendfile(struct file *file, loff_t * ppos,
-				 size_t count, read_actor_t actor, void *target)
+static ssize_t ecryptfs_splice_read(struct file *file, loff_t * ppos,
+				    struct pipe_inode_info *pipe, size_t count,
+				    unsigned int flags)
 {
 	struct file *lower_file = NULL;
 	int rc = -EINVAL;
 
 	lower_file = ecryptfs_file_to_lower(file);
-	if (lower_file->f_op && lower_file->f_op->sendfile)
-		rc = lower_file->f_op->sendfile(lower_file, ppos, count,
-						actor, target);
+	if (lower_file->f_op && lower_file->f_op->splice_read)
+		rc = lower_file->f_op->splice_read(lower_file, ppos, pipe,
+						count, flags);
 
 	return rc;
 }
@@ -422,11 +365,11 @@ const struct file_operations ecryptfs_dir_fops = {
 	.release = ecryptfs_release,
 	.fsync = ecryptfs_fsync,
 	.fasync = ecryptfs_fasync,
-	.sendfile = ecryptfs_sendfile,
+	.splice_read = ecryptfs_splice_read,
 };
 
 const struct file_operations ecryptfs_main_fops = {
-	.llseek = ecryptfs_llseek,
+	.llseek = generic_file_llseek,
 	.read = do_sync_read,
 	.aio_read = ecryptfs_read_update_atime,
 	.write = do_sync_write,
@@ -439,7 +382,7 @@ const struct file_operations ecryptfs_main_fops = {
 	.release = ecryptfs_release,
 	.fsync = ecryptfs_fsync,
 	.fasync = ecryptfs_fasync,
-	.sendfile = ecryptfs_sendfile,
+	.splice_read = ecryptfs_splice_read,
 };
 
 static int