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get rid of cont_write_begin_newtrunc

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Move the call to vmtruncate to get rid of accessive blocks to the callers
in preparation of the new truncate sequence and rename the non-truncating
version to cont_write_begin.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-06-04 11:29:55 +02:00 • committed by Al Viro
commit 282dc17884
9 changed files with 62 additions and 30 deletions
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11
fs/hpfs/file.c
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@ -97,10 +97,19 @@ static int hpfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
int ret;
*pagep = NULL;
return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
hpfs_get_block,
&hpfs_i(mapping->host)->mmu_private);
if (unlikely(ret)) {
loff_t isize = mapping->host->i_size;
if (pos + len > isize)
vmtruncate(mapping->host, isize);
}
return ret;
}
static sector_t _hpfs_bmap(struct address_space *mapping, sector_t block)