commit cfac4b47c664e207740880d6492938761c53d74b
author Marco Stornelli <marco.stornelli@gmail.com> Sat Dec 15 11:47:31 2012 +0100
committer Al Viro <viro@zeniv.linux.org.uk> Thu Dec 20 14:00:01 2012 -0500
tree 282d6c3c7abbcf73a9160fbcca9ffa10c6b30c71
parent fa4d62ae17c7415f1ea824076870b7ad9b51fd06

reiserfs: drop vmtruncate

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/reiserfs/file.c

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 8375c92..50302d6 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -126,7 +126,7 @@
 	return err;
 }
 
-static void reiserfs_vfs_truncate_file(struct inode *inode)
+void reiserfs_vfs_truncate_file(struct inode *inode)
 {
 	mutex_lock(&(REISERFS_I(inode)->tailpack));
 	reiserfs_truncate_file(inode, 1);
@@ -312,7 +312,6 @@
 };
 
 const struct inode_operations reiserfs_file_inode_operations = {
-	.truncate = reiserfs_vfs_truncate_file,
 	.setattr = reiserfs_setattr,
 	.setxattr = reiserfs_setxattr,
 	.getxattr = reiserfs_getxattr,

fs/reiserfs/inode.c

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index d83736f..95d7680 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -3085,8 +3085,10 @@
 		loff_t isize = i_size_read(inode);
 		loff_t end = offset + iov_length(iov, nr_segs);
 
-		if (end > isize)
-			vmtruncate(inode, isize);
+		if ((end > isize) && inode_newsize_ok(inode, isize) == 0) {
+			truncate_setsize(inode, isize);
+			reiserfs_vfs_truncate_file(inode);
+		}
 	}
 
 	return ret;
@@ -3200,8 +3202,13 @@
 	 */
 	reiserfs_write_unlock_once(inode->i_sb, depth);
 	if ((attr->ia_valid & ATTR_SIZE) &&
-	    attr->ia_size != i_size_read(inode))
-		error = vmtruncate(inode, attr->ia_size);
+	    attr->ia_size != i_size_read(inode)) {
+		error = inode_newsize_ok(inode, attr->ia_size);
+		if (!error) {
+			truncate_setsize(inode, attr->ia_size);
+			reiserfs_vfs_truncate_file(inode);
+		}
+	}
 
 	if (!error) {
 		setattr_copy(inode, attr);

fs/reiserfs/reiserfs.h

diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 33215f5..157e474 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -2455,6 +2455,7 @@
 								    *,
 								    int count);
 int reiserfs_end_persistent_transaction(struct reiserfs_transaction_handle *);
+void reiserfs_vfs_truncate_file(struct inode *inode);
 int reiserfs_commit_page(struct inode *inode, struct page *page,
 			 unsigned from, unsigned to);
 void reiserfs_flush_old_commits(struct super_block *);