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| author |   Leon Romanovsky <leonro@nvidia.com> | 2021-10-21 08:27:39 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leonro@nvidia.com> | 2021-10-21 08:27:39 +0300 |
| commit | 60dd57c7479418e2bc902143eb46a2fdcfeecbbb (patch) | |
| tree | ab6005faf6076a4c93fdfbcdccc1ff4bc044c8ec /fs/overlayfs/file.c | |
| parent | net/mlx5: Add priorities for counters in RDMA namespaces (diff) | |
| parent | RDMA/mlx5: Attach ndescs to mlx5_ib_mkey (diff) | |
| download | linux-dev-60dd57c7479418e2bc902143eb46a2fdcfeecbbb.tar.xz linux-dev-60dd57c7479418e2bc902143eb46a2fdcfeecbbb.zip | |
Merge brank 'mlx5_mkey' into rdma.git for-next
A small series to clean up the mlx5 mkey code across the mlx5_core and
InfiniBand.
* branch 'mlx5_mkey':
RDMA/mlx5: Attach ndescs to mlx5_ib_mkey
RDMA/mlx5: Move struct mlx5_core_mkey to mlx5_ib
RDMA/mlx5: Replace struct mlx5_core_mkey by u32 key
RDMA/mlx5: Remove pd from struct mlx5_core_mkey
RDMA/mlx5: Remove size from struct mlx5_core_mkey
RDMA/mlx5: Remove iova from struct mlx5_core_mkey
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Diffstat (limited to 'fs/overlayfs/file.c')
| -rw-r--r-- | fs/overlayfs/file.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index d081faa55e83..c88ac571593d 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -296,6 +296,12 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter) if (ret) return ret; + ret = -EINVAL; + if (iocb->ki_flags & IOCB_DIRECT && + (!real.file->f_mapping->a_ops || + !real.file->f_mapping->a_ops->direct_IO)) + goto out_fdput; + old_cred = ovl_override_creds(file_inode(file)->i_sb); if (is_sync_kiocb(iocb)) { ret = vfs_iter_read(real.file, iter, &iocb->ki_pos, @@ -320,7 +326,7 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter) out: revert_creds(old_cred); ovl_file_accessed(file); - +out_fdput: fdput(real); return ret; @@ -349,6 +355,12 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) if (ret) goto out_unlock; + ret = -EINVAL; + if (iocb->ki_flags & IOCB_DIRECT && + (!real.file->f_mapping->a_ops || + !real.file->f_mapping->a_ops->direct_IO)) + goto out_fdput; + if (!ovl_should_sync(OVL_FS(inode->i_sb))) ifl &= ~(IOCB_DSYNC | IOCB_SYNC); @@ -384,6 +396,7 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) } out: revert_creds(old_cred); +out_fdput: fdput(real); out_unlock: |