From 7fc7cd00f616e38973fe3acd0dc7e473da94c52e Mon Sep 17 00:00:00 2001
From: Marco Stornelli <marco.stornelli@gmail.com>
Date: Sat, 15 Dec 2012 11:56:25 +0100
Subject: [PATCH] minix: drop vmtruncate
Removed vmtruncate
Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/minix/file.c | 6 ++++--
fs/minix/inode.c | 17 ++++++++++++-----
2 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 4493ce695ab8..adc6f5494231 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 4fc5f8ab1c44..99541cceb584 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -395,6 +395,16 @@ int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len)
return __block_write_begin(page, pos, len, minix_get_block);
}
+static void minix_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size) {
+ truncate_pagecache(inode, to, inode->i_size);
+ minix_truncate(inode);
+ }
+}
+
static int minix_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -403,11 +413,8 @@ static int minix_write_begin(struct file *file, struct address_space *mapping,
ret = block_write_begin(mapping, pos, len, flags, pagep,
minix_get_block);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ minix_write_failed(mapping, pos + len);
return ret;
}
--
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