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kill generic_segment_checks()

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all callers of ->aio_read() and ->aio_write() have iov/nr_segs already
checked - generic_segment_checks() done after that is just an odd way
to spell iov_length().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-03-04 15:24:06 -05:00
parent 0ae5e4d370
commit cb66a7a1f1
10 changed files with 16 additions and 104 deletions
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5
fs/ntfs/file.c
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@@ -2091,10 +2091,7 @@ static ssize_t ntfs_file_aio_write_nolock(struct kiocb *iocb,
size_t count; /* after file limit checks */
ssize_t written, err;
count = 0;
err = generic_segment_checks(iov, &nr_segs, &count, VERIFY_READ);
if (err)
return err;
count = iov_length(iov, nr_segs);
pos = *ppos;
/* We can write back this queue in page reclaim. */
current->backing_dev_info = mapping->backing_dev_info;