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authorMarco Stornelli <marco.stornelli@gmail.com>2012-12-15 11:51:53 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2012-12-20 14:00:01 -0500
commit1dc1834f4292624f46da7e0309bc04a3cca1b07c (patch)
tree7598e172f5ce871436d12f0b55466a6c54bae529 /fs/affs/file.c
parent62295183846234b423a67116c36e00bd29dfd856 (diff)
downloadop-kernel-dev-1dc1834f4292624f46da7e0309bc04a3cca1b07c.zip
op-kernel-dev-1dc1834f4292624f46da7e0309bc04a3cca1b07c.tar.gz
affs: drop vmtruncate
Removed vmtruncate Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/affs/file.c')
-rw-r--r--fs/affs/file.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 2f4c935..af3261b 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -39,7 +39,6 @@ const struct file_operations affs_file_operations = {
};
const struct inode_operations affs_file_inode_operations = {
- .truncate = affs_truncate,
.setattr = affs_notify_change,
};
@@ -402,6 +401,16 @@ static int affs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, affs_get_block);
}
+static void affs_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);
+ affs_truncate(inode);
+ }
+}
+
static int affs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -412,11 +421,8 @@ static int affs_write_begin(struct file *file, struct address_space *mapping,
ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
affs_get_block,
&AFFS_I(mapping->host)->mmu_private);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ affs_write_failed(mapping, pos + len);
return ret;
}
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