diff options
| -rw-r--r-- | fs/fuse/file.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 1c7599ed9062..1aa7dde665aa 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1428,7 +1428,8 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, int write = flags & FUSE_DIO_WRITE; int cuse = flags & FUSE_DIO_CUSE; struct file *file = io->iocb->ki_filp; - struct inode *inode = file->f_mapping->host; + struct address_space *mapping = file->f_mapping; + struct inode *inode = mapping->host; struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fm->fc; size_t nmax = write ? fc->max_write : fc->max_read; @@ -1440,6 +1441,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, int err = 0; struct fuse_io_args *ia; unsigned int max_pages; + bool fopen_direct_io = ff->open_flags & FOPEN_DIRECT_IO; max_pages = iov_iter_npages(iter, fc->max_pages); ia = fuse_io_alloc(io, max_pages); @@ -1454,6 +1456,14 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, inode_unlock(inode); } + if (fopen_direct_io && write) { + res = invalidate_inode_pages2_range(mapping, idx_from, idx_to); + if (res) { + fuse_io_free(ia); + return res; + } + } + io->should_dirty = !write && user_backed_iter(iter); while (count) { ssize_t nres; |