linux-kernel - [PATCH 16/22] minix: drop vmtruncate

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Date:	Sat, 06 Oct 2012 10:32:29 +0200
From:	Marco Stornelli <marco.stornelli@...il.com>
To:	Al Viro <viro@...IV.linux.org.uk>
CC:	Anton Blanchard <anton@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>
Subject: [PATCH 16/22] minix: drop vmtruncate

Removed vmtruncate.

Signed-off-by: Marco Stornelli <marco.stornelli@...il.com>
---
 fs/minix/file.c  |    6 ++++--
 fs/minix/inode.c |    7 +++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/fs/minix/file.c b/fs/minix/file.c
index 4493ce6..adc6f54 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -34,9 +34,12 @@ static int minix_setattr(struct dentry *dentry, struct iattr *attr)
 
 	if ((attr->ia_valid & ATTR_SIZE) &&
 	    attr->ia_size != i_size_read(inode)) {
-		error = vmtruncate(inode, attr->ia_size);
+		error = inode_newsize_ok(inode, attr->ia_size);
 		if (error)
 			return error;
+
+		truncate_setsize(inode, attr->ia_size);
+		minix_truncate(inode);
 	}
 
 	setattr_copy(inode, attr);
@@ -45,7 +48,6 @@ static int minix_setattr(struct dentry *dentry, struct iattr *attr)
 }
 
 const struct inode_operations minix_file_inode_operations = {
-	.truncate	= minix_truncate,
 	.setattr	= minix_setattr,
 	.getattr	= minix_getattr,
 };
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 4fc5f8a..f0f5c25 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -405,8 +405,11 @@ static int minix_write_begin(struct file *file, struct address_space *mapping,
 				minix_get_block);
 	if (unlikely(ret)) {
 		loff_t isize = mapping->host->i_size;
-		if (pos + len > isize)
-			vmtruncate(mapping->host, isize);
+		if ((pos + len > isize) &&
+			inode_newsize_ok(mapping->host, isize) == 0) {
+			truncate_setsize(mapping->host, isize);
+			minix_truncate(mapping->host);
+		}
 	}
 
 	return ret;
-- 
1.7.3.4
--
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