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adfs: drop vmtruncate 

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Marco Stornelli 2012-12-15 11:51:11 +01:00 committed by Al Viro
parent a6ff03771e
commit 6229518384
1 changed files with 10 additions and 5 deletions
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15
fs/adfs/inode.c
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@ -45,6 +45,14 @@ static int adfs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, adfs_get_block);
}
static void adfs_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);
}
static int adfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@ -55,11 +63,8 @@ static int adfs_write_begin(struct file *file, struct address_space *mapping,
ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
adfs_get_block,
&ADFS_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))
adfs_write_failed(mapping, pos + len);
return ret;
}