xiaomi-sm8450/android_kernel_xiaomi_sm8450
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get rid of pointless iov_length() in ->direct_IO()

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all callers have iov_length(iter->iov, iter->nr_segs) == iov_iter_count(iter)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-03-04 22:38:00 -05:00
parent 16b1f05d7f
commit a6cbcd4a4a
18 changed files with 32 additions and 30 deletions
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3
fs/nilfs2/inode.c
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@@ -304,6 +304,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = file->f_mapping->host;
size_t count = iov_iter_count(iter);
ssize_t size;
if (rw == WRITE)
@@ -319,7 +320,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter,
*/
if (unlikely((rw & WRITE) && size < 0)) {
loff_t isize = i_size_read(inode);
loff_t end = offset + iov_length(iter->iov, iter->nr_segs);
loff_t end = offset + count;
if (end > isize)
nilfs_write_failed(mapping, end);