diff options
Diffstat (limited to 'fs/fuse/file.c')
-rw-r--r-- | fs/fuse/file.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6d8e65cec01a..dd499dba1e57 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -645,7 +645,7 @@ static size_t fuse_async_req_send(struct fuse_conn *fc, struct fuse_req *req, static size_t fuse_send_read(struct fuse_req *req, struct fuse_io_priv *io, loff_t pos, size_t count, fl_owner_t owner) { - struct file *file = io->file; + struct file *file = io->iocb->ki_filp; struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fc; @@ -707,7 +707,8 @@ static void fuse_short_read(struct fuse_req *req, struct inode *inode, static int fuse_do_readpage(struct file *file, struct page *page) { - struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file); + struct kiocb iocb; + struct fuse_io_priv io; struct inode *inode = page->mapping->host; struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_req *req; @@ -735,6 +736,8 @@ static int fuse_do_readpage(struct file *file, struct page *page) req->num_pages = 1; req->pages[0] = page; req->page_descs[0].length = count; + init_sync_kiocb(&iocb, file); + io = (struct fuse_io_priv) FUSE_IO_PRIV_SYNC(&iocb); num_read = fuse_send_read(req, &io, pos, count, NULL); err = req->out.h.error; @@ -957,13 +960,18 @@ static void fuse_write_fill(struct fuse_req *req, struct fuse_file *ff, static size_t fuse_send_write(struct fuse_req *req, struct fuse_io_priv *io, loff_t pos, size_t count, fl_owner_t owner) { - struct file *file = io->file; + struct kiocb *iocb = io->iocb; + struct file *file = iocb->ki_filp; struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fc; struct fuse_write_in *inarg = &req->misc.write.in; fuse_write_fill(req, ff, pos, count); inarg->flags = file->f_flags; + if (iocb->ki_flags & IOCB_DSYNC) + inarg->flags |= O_DSYNC; + if (iocb->ki_flags & IOCB_SYNC) + inarg->flags |= O_SYNC; if (owner != NULL) { inarg->write_flags |= FUSE_WRITE_LOCKOWNER; inarg->lock_owner = fuse_lock_owner_id(fc, owner); @@ -993,14 +1001,14 @@ bool fuse_write_update_size(struct inode *inode, loff_t pos) return ret; } -static size_t fuse_send_write_pages(struct fuse_req *req, struct file *file, +static size_t fuse_send_write_pages(struct fuse_req *req, struct kiocb *iocb, struct inode *inode, loff_t pos, size_t count) { size_t res; unsigned offset; unsigned i; - struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file); + struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb); for (i = 0; i < req->num_pages; i++) fuse_wait_on_page_writeback(inode, req->pages[i]->index); @@ -1100,7 +1108,7 @@ static inline unsigned fuse_wr_pages(loff_t pos, size_t len) FUSE_MAX_PAGES_PER_REQ); } -static ssize_t fuse_perform_write(struct file *file, +static ssize_t fuse_perform_write(struct kiocb *iocb, struct address_space *mapping, struct iov_iter *ii, loff_t pos) { @@ -1133,7 +1141,7 @@ static ssize_t fuse_perform_write(struct file *file, } else { size_t num_written; - num_written = fuse_send_write_pages(req, file, inode, + num_written = fuse_send_write_pages(req, iocb, inode, pos, count); err = req->out.h.error; if (!err) { @@ -1201,7 +1209,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from) pos += written; - written_buffered = fuse_perform_write(file, mapping, from, pos); + written_buffered = fuse_perform_write(iocb, mapping, from, pos); if (written_buffered < 0) { err = written_buffered; goto out; @@ -1220,13 +1228,15 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from) written += written_buffered; iocb->ki_pos = pos + written_buffered; } else { - written = fuse_perform_write(file, mapping, from, iocb->ki_pos); + written = fuse_perform_write(iocb, mapping, from, iocb->ki_pos); if (written >= 0) iocb->ki_pos += written; } out: current->backing_dev_info = NULL; inode_unlock(inode); + if (written > 0) + written = generic_write_sync(iocb, written); return written ? written : err; } @@ -1317,7 +1327,7 @@ 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->file; + struct file *file = io->iocb->ki_filp; struct inode *inode = file->f_mapping->host; struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fc; @@ -1399,8 +1409,7 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io, loff_t *ppos) { ssize_t res; - struct file *file = io->file; - struct inode *inode = file_inode(file); + struct inode *inode = file_inode(io->iocb->ki_filp); if (is_bad_inode(inode)) return -EIO; @@ -1414,15 +1423,14 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io, static ssize_t fuse_direct_read_iter(struct kiocb *iocb, struct iov_iter *to) { - struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb->ki_filp); + struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb); return __fuse_direct_read(&io, to, &iocb->ki_pos); } static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from) { - struct file *file = iocb->ki_filp; - struct inode *inode = file_inode(file); - struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file); + struct inode *inode = file_inode(iocb->ki_filp); + struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb); ssize_t res; if (is_bad_inode(inode)) @@ -2871,7 +2879,6 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) io->offset = offset; io->write = (iov_iter_rw(iter) == WRITE); io->err = 0; - io->file = file; /* * By default, we want to optimize all I/Os with async request * submission to the client filesystem if supported. |