@@ -33,10 +33,6 @@
#define PARAM(inarg) (((char *)(inarg)) + sizeof(*(inarg)))
#define OFFSET_MAX 0x7fffffffffffffffLL
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
struct fuse_pollhandle {
uint64_t kh;
struct fuse_session *se;
@@ -1735,51 +1731,6 @@ static void do_destroy(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
send_reply_ok(req, NULL, 0);
}
-static void list_del_nreq(struct fuse_notify_req *nreq)
-{
- struct fuse_notify_req *prev = nreq->prev;
- struct fuse_notify_req *next = nreq->next;
- prev->next = next;
- next->prev = prev;
-}
-
-static void list_add_nreq(struct fuse_notify_req *nreq,
- struct fuse_notify_req *next)
-{
- struct fuse_notify_req *prev = next->prev;
- nreq->next = next;
- nreq->prev = prev;
- prev->next = nreq;
- next->prev = nreq;
-}
-
-static void list_init_nreq(struct fuse_notify_req *nreq)
-{
- nreq->next = nreq;
- nreq->prev = nreq;
-}
-
-static void do_notify_reply(fuse_req_t req, fuse_ino_t nodeid,
- const void *inarg, const struct fuse_buf *buf)
-{
- struct fuse_session *se = req->se;
- struct fuse_notify_req *nreq;
- struct fuse_notify_req *head;
-
- pthread_mutex_lock(&se->lock);
- head = &se->notify_list;
- for (nreq = head->next; nreq != head; nreq = nreq->next) {
- if (nreq->unique == req->unique) {
- list_del_nreq(nreq);
- break;
- }
- }
- pthread_mutex_unlock(&se->lock);
-
- if (nreq != head)
- nreq->reply(nreq, req, nodeid, inarg, buf);
-}
-
static int send_notify_iov(struct fuse_session *se, int notify_code,
struct iovec *iov, int count)
{
@@ -1921,93 +1872,6 @@ int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
return res;
}
-struct fuse_retrieve_req {
- struct fuse_notify_req nreq;
- void *cookie;
-};
-
-static void fuse_ll_retrieve_reply(struct fuse_notify_req *nreq,
- fuse_req_t req, fuse_ino_t ino,
- const void *inarg,
- const struct fuse_buf *ibuf)
-{
- struct fuse_session *se = req->se;
- struct fuse_retrieve_req *rreq =
- container_of(nreq, struct fuse_retrieve_req, nreq);
- const struct fuse_notify_retrieve_in *arg = inarg;
- struct fuse_bufvec bufv = {
- .buf[0] = *ibuf,
- .count = 1,
- };
-
- if (!(bufv.buf[0].flags & FUSE_BUF_IS_FD))
- bufv.buf[0].mem = PARAM(arg);
-
- bufv.buf[0].size -= sizeof(struct fuse_in_header) +
- sizeof(struct fuse_notify_retrieve_in);
-
- if (bufv.buf[0].size < arg->size) {
- fuse_log(FUSE_LOG_ERR, "fuse: retrieve reply: buffer size too small\n");
- fuse_reply_none(req);
- goto out;
- }
- bufv.buf[0].size = arg->size;
-
- if (se->op.retrieve_reply) {
- se->op.retrieve_reply(req, rreq->cookie, ino,
- arg->offset, &bufv);
- } else {
- fuse_reply_none(req);
- }
-out:
- free(rreq);
-}
-
-int fuse_lowlevel_notify_retrieve(struct fuse_session *se, fuse_ino_t ino,
- size_t size, off_t offset, void *cookie)
-{
- struct fuse_notify_retrieve_out outarg;
- struct iovec iov[2];
- struct fuse_retrieve_req *rreq;
- int err;
-
- if (!se)
- return -EINVAL;
-
- if (se->conn.proto_major < 6 || se->conn.proto_minor < 15)
- return -ENOSYS;
-
- rreq = malloc(sizeof(*rreq));
- if (rreq == NULL)
- return -ENOMEM;
-
- pthread_mutex_lock(&se->lock);
- rreq->cookie = cookie;
- rreq->nreq.unique = se->notify_ctr++;
- rreq->nreq.reply = fuse_ll_retrieve_reply;
- list_add_nreq(&rreq->nreq, &se->notify_list);
- pthread_mutex_unlock(&se->lock);
-
- outarg.notify_unique = rreq->nreq.unique;
- outarg.nodeid = ino;
- outarg.offset = offset;
- outarg.size = size;
- outarg.padding = 0;
-
- iov[1].iov_base = &outarg;
- iov[1].iov_len = sizeof(outarg);
-
- err = send_notify_iov(se, FUSE_NOTIFY_RETRIEVE, iov, 2);
- if (err) {
- pthread_mutex_lock(&se->lock);
- list_del_nreq(&rreq->nreq);
- pthread_mutex_unlock(&se->lock);
- free(rreq);
- }
-
- return err;
-}
-
void *fuse_req_userdata(fuse_req_t req)
{
return req->se->userdata;
@@ -2085,7 +1949,7 @@ static struct {
[FUSE_POLL] = { do_poll, "POLL" },
[FUSE_FALLOCATE] = { do_fallocate, "FALLOCATE" },
[FUSE_DESTROY] = { do_destroy, "DESTROY" },
- [FUSE_NOTIFY_REPLY] = { (void *) 1, "NOTIFY_REPLY" },
+ [FUSE_NOTIFY_REPLY] = { NULL, "NOTIFY_REPLY" },
[FUSE_BATCH_FORGET] = { do_batch_forget, "BATCH_FORGET" },
[FUSE_READDIRPLUS] = { do_readdirplus, "READDIRPLUS"},
[FUSE_RENAME2] = { do_rename2, "RENAME2" },
@@ -2185,8 +2049,6 @@ void fuse_session_process_buf_int(struct fuse_session *se,
inarg = (void *) &in[1];
if (in->opcode == FUSE_WRITE && se->op.write_buf)
do_write_buf(req, in->nodeid, inarg, buf);
- else if (in->opcode == FUSE_NOTIFY_REPLY)
- do_notify_reply(req, in->nodeid, inarg, buf);
else
fuse_ll_ops[in->opcode].func(req, in->nodeid, inarg);
@@ -2297,8 +2159,6 @@ struct fuse_session *fuse_session_new(struct fuse_args *args,
list_init_req(&se->list);
list_init_req(&se->interrupts);
- list_init_nreq(&se->notify_list);
- se->notify_ctr = 1;
fuse_mutex_init(&se->lock);
memcpy(&se->op, op, op_size);
@@ -1085,21 +1085,6 @@ struct fuse_lowlevel_ops {
struct fuse_bufvec *bufv, off_t off,
struct fuse_file_info *fi);
- /**
- * Callback function for the retrieve request
- *
- * Valid replies:
- * fuse_reply_none
- *
- * @param req request handle
- * @param cookie user data supplied to fuse_lowlevel_notify_retrieve()
- * @param ino the inode number supplied to fuse_lowlevel_notify_retrieve()
- * @param offset the offset supplied to fuse_lowlevel_notify_retrieve()
- * @param bufv the buffer containing the returned data
- */
- void (*retrieve_reply) (fuse_req_t req, void *cookie, fuse_ino_t ino,
- off_t offset, struct fuse_bufvec *bufv);
-
/**
* Forget about multiple inodes
*
@@ -1696,38 +1681,6 @@ int fuse_lowlevel_notify_delete(struct fuse_session *se,
int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
off_t offset, struct fuse_bufvec *bufv,
enum fuse_buf_copy_flags flags);
-/**
- * Retrieve data from the kernel buffers
- *
- * Retrieve data in the kernel buffers belonging to the given inode.
- * If successful then the retrieve_reply() method will be called with
- * the returned data.
- *
- * Only present pages are returned in the retrieve reply. Retrieving
- * stops when it finds a non-present page and only data prior to that
- * is returned.
- *
- * If this function returns an error, then the retrieve will not be
- * completed and no reply will be sent.
- *
- * This function doesn't change the dirty state of pages in the kernel
- * buffer. For dirty pages the write() method will be called
- * regardless of having been retrieved previously.
- *
- * Added in FUSE protocol version 7.15. If the kernel does not support
- * this (or a newer) version, the function will return -ENOSYS and do
- * nothing.
- *
- * @param se the session object
- * @param ino the inode number
- * @param size the number of bytes to retrieve
- * @param offset the starting offset into the file to retrieve from
- * @param cookie user data to supply to the reply callback
- * @return zero for success, -errno for failure
- */
-int fuse_lowlevel_notify_retrieve(struct fuse_session *se, fuse_ino_t ino,
- size_t size, off_t offset, void *cookie);
-
/* ----------------------------------------------------------- *
* Utility functions *