diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io_uring.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 722624b6d0dc..1ed96caa586a 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -425,7 +425,13 @@ static void io_prep_async_work(struct io_kiocb *req) req->flags |= io_file_get_flags(req->file) << REQ_F_SUPPORT_NOWAIT_BIT; if (req->flags & REQ_F_ISREG) { - if (def->hash_reg_file || (ctx->flags & IORING_SETUP_IOPOLL)) + bool should_hash = def->hash_reg_file; + + /* don't serialize this request if the fs doesn't need it */ + if (should_hash && (req->file->f_flags & O_DIRECT) && + (req->file->f_mode & FMODE_DIO_PARALLEL_WRITE)) + should_hash = false; + if (should_hash || (ctx->flags & IORING_SETUP_IOPOLL)) io_wq_hash_work(&req->work, file_inode(req->file)); } else if (!req->file || !S_ISBLK(file_inode(req->file)->i_mode)) { if (def->unbound_nonreg_file) |