adfs: drop vmtruncate
Removed vmtruncate Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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a6ff03771e
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6229518384
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@ -45,6 +45,14 @@ static int adfs_readpage(struct file *file, struct page *page)
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return block_read_full_page(page, adfs_get_block);
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return block_read_full_page(page, adfs_get_block);
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}
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}
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static void adfs_write_failed(struct address_space *mapping, loff_t to)
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{
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struct inode *inode = mapping->host;
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if (to > inode->i_size)
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truncate_pagecache(inode, to, inode->i_size);
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}
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static int adfs_write_begin(struct file *file, struct address_space *mapping,
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static int adfs_write_begin(struct file *file, struct address_space *mapping,
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loff_t pos, unsigned len, unsigned flags,
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loff_t pos, unsigned len, unsigned flags,
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struct page **pagep, void **fsdata)
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struct page **pagep, void **fsdata)
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@ -55,11 +63,8 @@ static int adfs_write_begin(struct file *file, struct address_space *mapping,
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ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
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ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
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adfs_get_block,
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adfs_get_block,
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&ADFS_I(mapping->host)->mmu_private);
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&ADFS_I(mapping->host)->mmu_private);
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if (unlikely(ret)) {
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if (unlikely(ret))
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loff_t isize = mapping->host->i_size;
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adfs_write_failed(mapping, pos + len);
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if (pos + len > isize)
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vmtruncate(mapping->host, isize);
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}
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return ret;
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return ret;
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}
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}
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