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SubjectRe: [PATCH 4/4] fs/ntfs3: Update valid size if -EIOCBQUEUED
On Mon, Oct 25, 2021 at 07:59:56PM +0300, Konstantin Komarov wrote:
> Update valid size if write is still in I/O queue.
> Fixes xfstest generic/240

generic/240 [21:23:16][ 17.933690] run fstests generic/240 at 2021-10-26 21:23:16
[21:23:18] 2s
Ran: generic/240
Passed all 1 tests

> Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
>
> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
> ---
> fs/ntfs3/inode.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
> index 859951d785cb..c211c64e6b17 100644
> --- a/fs/ntfs3/inode.c
> +++ b/fs/ntfs3/inode.c
> @@ -757,6 +757,7 @@ static ssize_t ntfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
> loff_t vbo = iocb->ki_pos;
> loff_t end;
> int wr = iov_iter_rw(iter) & WRITE;
> + size_t iter_count = iov_iter_count(iter);
> loff_t valid;
> ssize_t ret;
>
> @@ -770,10 +771,14 @@ static ssize_t ntfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
> wr ? ntfs_get_block_direct_IO_W
> : ntfs_get_block_direct_IO_R);
>
> - if (ret <= 0)
> + if (ret > 0)
> + end = vbo + ret;
> + else if (wr && -EIOCBQUEUED == ret)

ret == -EIOCBQUEUED

> + end = vbo + iter_count;

Use iov_iter_count() instead of tmp var?

> + else {

Take brackets off.

> goto out;
> + }
>
> - end = vbo + ret;
> valid = ni->i_valid;
> if (wr) {
> if (end > valid && !S_ISBLK(inode->i_mode)) {
> --
> 2.33.0
>
>
>

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