diff options
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index dfe40bf80adc..05260ed485ad 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -604,7 +604,10 @@ struct io_kiocb { struct list_head list; unsigned int flags; refcount_t refs; - struct task_struct *task; + union { + struct task_struct *task; + unsigned long fsize; + }; u64 user_data; u32 result; u32 sequence; @@ -2593,6 +2596,8 @@ static int io_write_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (unlikely(!(req->file->f_mode & FMODE_WRITE))) return -EBADF; + req->fsize = rlimit(RLIMIT_FSIZE); + /* either don't need iovec imported or already have it */ if (!req->io || req->flags & REQ_F_NEED_CLEANUP) return 0; @@ -2662,10 +2667,17 @@ static int io_write(struct io_kiocb *req, bool force_nonblock) } kiocb->ki_flags |= IOCB_WRITE; + if (!force_nonblock) + current->signal->rlim[RLIMIT_FSIZE].rlim_cur = req->fsize; + if (req->file->f_op->write_iter) ret2 = call_write_iter(req->file, kiocb, &iter); else ret2 = loop_rw_iter(WRITE, req->file, kiocb, &iter); + + if (!force_nonblock) + current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; + /* * Raw bdev writes will -EOPNOTSUPP for IOCB_NOWAIT. Just * retry them without IOCB_NOWAIT. @@ -2848,8 +2860,10 @@ static void __io_fallocate(struct io_kiocb *req) { int ret; + current->signal->rlim[RLIMIT_FSIZE].rlim_cur = req->fsize; ret = vfs_fallocate(req->file, req->sync.mode, req->sync.off, req->sync.len); + current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); @@ -2875,6 +2889,7 @@ static int io_fallocate_prep(struct io_kiocb *req, req->sync.off = READ_ONCE(sqe->off); req->sync.len = READ_ONCE(sqe->addr); req->sync.mode = READ_ONCE(sqe->len); + req->fsize = rlimit(RLIMIT_FSIZE); return 0; } |