diff options
Diffstat (limited to 'fs/fuse/dev.c')
| -rw-r--r-- | fs/fuse/dev.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index f580695b7bb9..bfd6353ef7fa 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -14,6 +14,7 @@ #include <linux/sched/signal.h> #include <linux/uio.h> #include <linux/miscdevice.h> +#include <linux/namei.h> #include <linux/pagemap.h> #include <linux/file.h> #include <linux/slab.h> @@ -21,6 +22,7 @@ #include <linux/swap.h> #include <linux/splice.h> #include <linux/sched.h> +#include <linux/freezer.h> MODULE_ALIAS_MISCDEV(FUSE_MINOR); MODULE_ALIAS("devname:fuse"); @@ -475,7 +477,9 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) * Either request is already in userspace, or it was forced. * Wait it out. */ - wait_event(req->waitq, test_bit(FR_FINISHED, &req->flags)); + while (!test_bit(FR_FINISHED, &req->flags)) + wait_event_freezable(req->waitq, + test_bit(FR_FINISHED, &req->flags)); } static void __fuse_request_send(struct fuse_conn *fc, struct fuse_req *req) @@ -1916,6 +1920,12 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud, cs->move_pages = 0; err = copy_out_args(cs, &req->out, nbytes); + if (req->in.h.opcode == FUSE_CANONICAL_PATH) { + char *path = (char *)req->out.args[0].value; + + path[req->out.args[0].size - 1] = 0; + req->out.h.error = kern_path(path, 0, req->canonical_path); + } fuse_copy_finish(cs); spin_lock(&fpq->lock); |