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sort out blockdev_direct_IO variants

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Move the call to vmtruncate to get rid of accessive blocks to the callers
in prepearation of the new truncate calling sequence.  This was only done
for DIO_LOCKING filesystems, so the __blockdev_direct_IO_newtrunc variant
was not needed anyway.  Get rid of blockdev_direct_IO_no_locking and
its _newtrunc variant while at it as just opencoding the two additional
paramters is shorted than the name suffix.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-06-04 11:29:53 +02:00 • committed by Al Viro
commit eafdc7d190
15 changed files with 146 additions and 119 deletions
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13
fs/nilfs2/inode.c
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@ -237,6 +237,19 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
/* Needs synchronization with the cleaner */
size = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
offset, nr_segs, nilfs_get_block, NULL);
/*
* In case of error extending write may have instantiated a few
* blocks outside i_size. Trim these off again.
*/
if (unlikely((rw & WRITE) && size < 0)) {
loff_t isize = i_size_read(inode);
loff_t end = offset + iov_length(iov, nr_segs);
if (end > isize)
vmtruncate(inode, isize);
}
return size;
}