You've already forked linux-apfs
mirror of
https://github.com/linux-apfs/linux-apfs.git
synced 2026-05-01 15:00:59 -07:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: clean up annotations of fc->lock fuse: fix sparse warning in ioctl fuse: update interface version fuse: add fuse_conn->release() fuse: separate out fuse_conn_init() from new_conn() fuse: add fuse_ prefix to several functions fuse: implement poll support fuse: implement unsolicited notification fuse: add file kernel handle fuse: implement ioctl support fuse: don't let fuse_req->end() put the base reference fuse: move FUSE_MINOR to miscdevice.h fuse: style fixes
This commit is contained in:
+4
-2
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
FUSE: Filesystem in Userspace
|
||||
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
|
||||
Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
|
||||
|
||||
This program can be distributed under the terms of the GNU GPL.
|
||||
See the file COPYING.
|
||||
@@ -48,11 +48,13 @@ static ssize_t fuse_conn_waiting_read(struct file *file, char __user *buf,
|
||||
size_t size;
|
||||
|
||||
if (!*ppos) {
|
||||
long value;
|
||||
struct fuse_conn *fc = fuse_ctl_file_conn_get(file);
|
||||
if (!fc)
|
||||
return 0;
|
||||
|
||||
file->private_data=(void *)(long)atomic_read(&fc->num_waiting);
|
||||
value = atomic_read(&fc->num_waiting);
|
||||
file->private_data = (void *)value;
|
||||
fuse_conn_put(fc);
|
||||
}
|
||||
size = sprintf(tmp, "%ld\n", (long)file->private_data);
|
||||
|
||||
+83
-30
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
FUSE: Filesystem in Userspace
|
||||
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
|
||||
Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
|
||||
|
||||
This program can be distributed under the terms of the GNU GPL.
|
||||
See the file COPYING.
|
||||
@@ -269,7 +269,7 @@ static void flush_bg_queue(struct fuse_conn *fc)
|
||||
* Called with fc->lock, unlocks it
|
||||
*/
|
||||
static void request_end(struct fuse_conn *fc, struct fuse_req *req)
|
||||
__releases(fc->lock)
|
||||
__releases(&fc->lock)
|
||||
{
|
||||
void (*end) (struct fuse_conn *, struct fuse_req *) = req->end;
|
||||
req->end = NULL;
|
||||
@@ -293,13 +293,13 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
|
||||
wake_up(&req->waitq);
|
||||
if (end)
|
||||
end(fc, req);
|
||||
else
|
||||
fuse_put_request(fc, req);
|
||||
fuse_put_request(fc, req);
|
||||
}
|
||||
|
||||
static void wait_answer_interruptible(struct fuse_conn *fc,
|
||||
struct fuse_req *req)
|
||||
__releases(fc->lock) __acquires(fc->lock)
|
||||
__releases(&fc->lock)
|
||||
__acquires(&fc->lock)
|
||||
{
|
||||
if (signal_pending(current))
|
||||
return;
|
||||
@@ -317,7 +317,8 @@ static void queue_interrupt(struct fuse_conn *fc, struct fuse_req *req)
|
||||
}
|
||||
|
||||
static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)
|
||||
__releases(fc->lock) __acquires(fc->lock)
|
||||
__releases(&fc->lock)
|
||||
__acquires(&fc->lock)
|
||||
{
|
||||
if (!fc->no_interrupt) {
|
||||
/* Any signal may interrupt this */
|
||||
@@ -380,7 +381,7 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)
|
||||
}
|
||||
}
|
||||
|
||||
void request_send(struct fuse_conn *fc, struct fuse_req *req)
|
||||
void fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
|
||||
{
|
||||
req->isreply = 1;
|
||||
spin_lock(&fc->lock);
|
||||
@@ -399,8 +400,8 @@ void request_send(struct fuse_conn *fc, struct fuse_req *req)
|
||||
spin_unlock(&fc->lock);
|
||||
}
|
||||
|
||||
static void request_send_nowait_locked(struct fuse_conn *fc,
|
||||
struct fuse_req *req)
|
||||
static void fuse_request_send_nowait_locked(struct fuse_conn *fc,
|
||||
struct fuse_req *req)
|
||||
{
|
||||
req->background = 1;
|
||||
fc->num_background++;
|
||||
@@ -414,11 +415,11 @@ static void request_send_nowait_locked(struct fuse_conn *fc,
|
||||
flush_bg_queue(fc);
|
||||
}
|
||||
|
||||
static void request_send_nowait(struct fuse_conn *fc, struct fuse_req *req)
|
||||
static void fuse_request_send_nowait(struct fuse_conn *fc, struct fuse_req *req)
|
||||
{
|
||||
spin_lock(&fc->lock);
|
||||
if (fc->connected) {
|
||||
request_send_nowait_locked(fc, req);
|
||||
fuse_request_send_nowait_locked(fc, req);
|
||||
spin_unlock(&fc->lock);
|
||||
} else {
|
||||
req->out.h.error = -ENOTCONN;
|
||||
@@ -426,16 +427,16 @@ static void request_send_nowait(struct fuse_conn *fc, struct fuse_req *req)
|
||||
}
|
||||
}
|
||||
|
||||
void request_send_noreply(struct fuse_conn *fc, struct fuse_req *req)
|
||||
void fuse_request_send_noreply(struct fuse_conn *fc, struct fuse_req *req)
|
||||
{
|
||||
req->isreply = 0;
|
||||
request_send_nowait(fc, req);
|
||||
fuse_request_send_nowait(fc, req);
|
||||
}
|
||||
|
||||
void request_send_background(struct fuse_conn *fc, struct fuse_req *req)
|
||||
void fuse_request_send_background(struct fuse_conn *fc, struct fuse_req *req)
|
||||
{
|
||||
req->isreply = 1;
|
||||
request_send_nowait(fc, req);
|
||||
fuse_request_send_nowait(fc, req);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -443,10 +444,11 @@ void request_send_background(struct fuse_conn *fc, struct fuse_req *req)
|
||||
*
|
||||
* fc->connected must have been checked previously
|
||||
*/
|
||||
void request_send_background_locked(struct fuse_conn *fc, struct fuse_req *req)
|
||||
void fuse_request_send_background_locked(struct fuse_conn *fc,
|
||||
struct fuse_req *req)
|
||||
{
|
||||
req->isreply = 1;
|
||||
request_send_nowait_locked(fc, req);
|
||||
fuse_request_send_nowait_locked(fc, req);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -539,8 +541,8 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
|
||||
BUG_ON(!cs->nr_segs);
|
||||
cs->seglen = cs->iov[0].iov_len;
|
||||
cs->addr = (unsigned long) cs->iov[0].iov_base;
|
||||
cs->iov ++;
|
||||
cs->nr_segs --;
|
||||
cs->iov++;
|
||||
cs->nr_segs--;
|
||||
}
|
||||
down_read(¤t->mm->mmap_sem);
|
||||
err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0,
|
||||
@@ -589,9 +591,11 @@ static int fuse_copy_page(struct fuse_copy_state *cs, struct page *page,
|
||||
kunmap_atomic(mapaddr, KM_USER1);
|
||||
}
|
||||
while (count) {
|
||||
int err;
|
||||
if (!cs->len && (err = fuse_copy_fill(cs)))
|
||||
return err;
|
||||
if (!cs->len) {
|
||||
int err = fuse_copy_fill(cs);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
if (page) {
|
||||
void *mapaddr = kmap_atomic(page, KM_USER1);
|
||||
void *buf = mapaddr + offset;
|
||||
@@ -631,9 +635,11 @@ static int fuse_copy_pages(struct fuse_copy_state *cs, unsigned nbytes,
|
||||
static int fuse_copy_one(struct fuse_copy_state *cs, void *val, unsigned size)
|
||||
{
|
||||
while (size) {
|
||||
int err;
|
||||
if (!cs->len && (err = fuse_copy_fill(cs)))
|
||||
return err;
|
||||
if (!cs->len) {
|
||||
int err = fuse_copy_fill(cs);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
fuse_copy_do(cs, &val, &size);
|
||||
}
|
||||
return 0;
|
||||
@@ -664,6 +670,8 @@ static int request_pending(struct fuse_conn *fc)
|
||||
|
||||
/* Wait until a request is available on the pending list */
|
||||
static void request_wait(struct fuse_conn *fc)
|
||||
__releases(&fc->lock)
|
||||
__acquires(&fc->lock)
|
||||
{
|
||||
DECLARE_WAITQUEUE(wait, current);
|
||||
|
||||
@@ -691,7 +699,7 @@ static void request_wait(struct fuse_conn *fc)
|
||||
*/
|
||||
static int fuse_read_interrupt(struct fuse_conn *fc, struct fuse_req *req,
|
||||
const struct iovec *iov, unsigned long nr_segs)
|
||||
__releases(fc->lock)
|
||||
__releases(&fc->lock)
|
||||
{
|
||||
struct fuse_copy_state cs;
|
||||
struct fuse_in_header ih;
|
||||
@@ -813,6 +821,34 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov,
|
||||
return err;
|
||||
}
|
||||
|
||||
static int fuse_notify_poll(struct fuse_conn *fc, unsigned int size,
|
||||
struct fuse_copy_state *cs)
|
||||
{
|
||||
struct fuse_notify_poll_wakeup_out outarg;
|
||||
int err;
|
||||
|
||||
if (size != sizeof(outarg))
|
||||
return -EINVAL;
|
||||
|
||||
err = fuse_copy_one(cs, &outarg, sizeof(outarg));
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
return fuse_notify_poll_wakeup(fc, &outarg);
|
||||
}
|
||||
|
||||
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
|
||||
unsigned int size, struct fuse_copy_state *cs)
|
||||
{
|
||||
switch (code) {
|
||||
case FUSE_NOTIFY_POLL:
|
||||
return fuse_notify_poll(fc, size, cs);
|
||||
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
/* Look up request on processing list by unique ID */
|
||||
static struct fuse_req *request_find(struct fuse_conn *fc, u64 unique)
|
||||
{
|
||||
@@ -876,9 +912,23 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
|
||||
err = fuse_copy_one(&cs, &oh, sizeof(oh));
|
||||
if (err)
|
||||
goto err_finish;
|
||||
|
||||
err = -EINVAL;
|
||||
if (!oh.unique || oh.error <= -1000 || oh.error > 0 ||
|
||||
oh.len != nbytes)
|
||||
if (oh.len != nbytes)
|
||||
goto err_finish;
|
||||
|
||||
/*
|
||||
* Zero oh.unique indicates unsolicited notification message
|
||||
* and error contains notification code.
|
||||
*/
|
||||
if (!oh.unique) {
|
||||
err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), &cs);
|
||||
fuse_copy_finish(&cs);
|
||||
return err ? err : nbytes;
|
||||
}
|
||||
|
||||
err = -EINVAL;
|
||||
if (oh.error <= -1000 || oh.error > 0)
|
||||
goto err_finish;
|
||||
|
||||
spin_lock(&fc->lock);
|
||||
@@ -966,6 +1016,8 @@ static unsigned fuse_dev_poll(struct file *file, poll_table *wait)
|
||||
* This function releases and reacquires fc->lock
|
||||
*/
|
||||
static void end_requests(struct fuse_conn *fc, struct list_head *head)
|
||||
__releases(&fc->lock)
|
||||
__acquires(&fc->lock)
|
||||
{
|
||||
while (!list_empty(head)) {
|
||||
struct fuse_req *req;
|
||||
@@ -988,7 +1040,8 @@ static void end_requests(struct fuse_conn *fc, struct list_head *head)
|
||||
* locked).
|
||||
*/
|
||||
static void end_io_requests(struct fuse_conn *fc)
|
||||
__releases(fc->lock) __acquires(fc->lock)
|
||||
__releases(&fc->lock)
|
||||
__acquires(&fc->lock)
|
||||
{
|
||||
while (!list_empty(&fc->io)) {
|
||||
struct fuse_req *req =
|
||||
@@ -1002,11 +1055,11 @@ static void end_io_requests(struct fuse_conn *fc)
|
||||
wake_up(&req->waitq);
|
||||
if (end) {
|
||||
req->end = NULL;
|
||||
/* The end function will consume this reference */
|
||||
__fuse_get_request(req);
|
||||
spin_unlock(&fc->lock);
|
||||
wait_event(req->waitq, !req->locked);
|
||||
end(fc, req);
|
||||
fuse_put_request(fc, req);
|
||||
spin_lock(&fc->lock);
|
||||
}
|
||||
}
|
||||
|
||||
+25
-23
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
FUSE: Filesystem in Userspace
|
||||
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
|
||||
Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
|
||||
|
||||
This program can be distributed under the terms of the GNU GPL.
|
||||
See the file COPYING.
|
||||
@@ -189,7 +189,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
|
||||
parent = dget_parent(entry);
|
||||
fuse_lookup_init(fc, req, get_node_id(parent->d_inode),
|
||||
&entry->d_name, &outarg);
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
dput(parent);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
@@ -204,7 +204,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
|
||||
return 0;
|
||||
}
|
||||
spin_lock(&fc->lock);
|
||||
fi->nlookup ++;
|
||||
fi->nlookup++;
|
||||
spin_unlock(&fc->lock);
|
||||
}
|
||||
fuse_put_request(fc, forget_req);
|
||||
@@ -283,7 +283,7 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, struct qstr *name,
|
||||
attr_version = fuse_get_attr_version(fc);
|
||||
|
||||
fuse_lookup_init(fc, req, nodeid, name, outarg);
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
/* Zero nodeid is same as -ENOENT, but with valid timeout */
|
||||
@@ -369,7 +369,7 @@ static void fuse_sync_release(struct fuse_conn *fc, struct fuse_file *ff,
|
||||
{
|
||||
fuse_release_fill(ff, nodeid, flags, FUSE_RELEASE);
|
||||
ff->reserved_req->force = 1;
|
||||
request_send(fc, ff->reserved_req);
|
||||
fuse_request_send(fc, ff->reserved_req);
|
||||
fuse_put_request(fc, ff->reserved_req);
|
||||
kfree(ff);
|
||||
}
|
||||
@@ -408,7 +408,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode,
|
||||
goto out_put_forget_req;
|
||||
|
||||
err = -ENOMEM;
|
||||
ff = fuse_file_alloc();
|
||||
ff = fuse_file_alloc(fc);
|
||||
if (!ff)
|
||||
goto out_put_request;
|
||||
|
||||
@@ -432,7 +432,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode,
|
||||
req->out.args[0].value = &outentry;
|
||||
req->out.args[1].size = sizeof(outopen);
|
||||
req->out.args[1].value = &outopen;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
if (err) {
|
||||
if (err == -ENOSYS)
|
||||
@@ -502,7 +502,7 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req,
|
||||
else
|
||||
req->out.args[0].size = sizeof(outarg);
|
||||
req->out.args[0].value = &outarg;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (err)
|
||||
@@ -631,15 +631,17 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry)
|
||||
req->in.numargs = 1;
|
||||
req->in.args[0].size = entry->d_name.len + 1;
|
||||
req->in.args[0].value = entry->d_name.name;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (!err) {
|
||||
struct inode *inode = entry->d_inode;
|
||||
|
||||
/* Set nlink to zero so the inode can be cleared, if
|
||||
the inode does have more links this will be
|
||||
discovered at the next lookup/getattr */
|
||||
/*
|
||||
* Set nlink to zero so the inode can be cleared, if the inode
|
||||
* does have more links this will be discovered at the next
|
||||
* lookup/getattr.
|
||||
*/
|
||||
clear_nlink(inode);
|
||||
fuse_invalidate_attr(inode);
|
||||
fuse_invalidate_attr(dir);
|
||||
@@ -662,7 +664,7 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry)
|
||||
req->in.numargs = 1;
|
||||
req->in.args[0].size = entry->d_name.len + 1;
|
||||
req->in.args[0].value = entry->d_name.name;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (!err) {
|
||||
@@ -695,7 +697,7 @@ static int fuse_rename(struct inode *olddir, struct dentry *oldent,
|
||||
req->in.args[1].value = oldent->d_name.name;
|
||||
req->in.args[2].size = newent->d_name.len + 1;
|
||||
req->in.args[2].value = newent->d_name.name;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (!err) {
|
||||
@@ -811,7 +813,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
|
||||
else
|
||||
req->out.args[0].size = sizeof(outarg);
|
||||
req->out.args[0].value = &outarg;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (!err) {
|
||||
@@ -911,7 +913,7 @@ static int fuse_access(struct inode *inode, int mask)
|
||||
req->in.numargs = 1;
|
||||
req->in.args[0].size = sizeof(inarg);
|
||||
req->in.args[0].value = &inarg;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (err == -ENOSYS) {
|
||||
@@ -1033,7 +1035,7 @@ static int fuse_readdir(struct file *file, void *dstbuf, filldir_t filldir)
|
||||
req->num_pages = 1;
|
||||
req->pages[0] = page;
|
||||
fuse_read_fill(req, file, inode, file->f_pos, PAGE_SIZE, FUSE_READDIR);
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
nbytes = req->out.args[0].size;
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
@@ -1067,7 +1069,7 @@ static char *read_link(struct dentry *dentry)
|
||||
req->out.numargs = 1;
|
||||
req->out.args[0].size = PAGE_SIZE - 1;
|
||||
req->out.args[0].value = link;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
if (req->out.h.error) {
|
||||
free_page((unsigned long) link);
|
||||
link = ERR_PTR(req->out.h.error);
|
||||
@@ -1273,7 +1275,7 @@ static int fuse_do_setattr(struct dentry *entry, struct iattr *attr,
|
||||
else
|
||||
req->out.args[0].size = sizeof(outarg);
|
||||
req->out.args[0].value = &outarg;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (err) {
|
||||
@@ -1367,7 +1369,7 @@ static int fuse_setxattr(struct dentry *entry, const char *name,
|
||||
req->in.args[1].value = name;
|
||||
req->in.args[2].size = size;
|
||||
req->in.args[2].value = value;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (err == -ENOSYS) {
|
||||
@@ -1413,7 +1415,7 @@ static ssize_t fuse_getxattr(struct dentry *entry, const char *name,
|
||||
req->out.args[0].size = sizeof(outarg);
|
||||
req->out.args[0].value = &outarg;
|
||||
}
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
ret = req->out.h.error;
|
||||
if (!ret)
|
||||
ret = size ? req->out.args[0].size : outarg.size;
|
||||
@@ -1463,7 +1465,7 @@ static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
|
||||
req->out.args[0].size = sizeof(outarg);
|
||||
req->out.args[0].value = &outarg;
|
||||
}
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
ret = req->out.h.error;
|
||||
if (!ret)
|
||||
ret = size ? req->out.args[0].size : outarg.size;
|
||||
@@ -1496,7 +1498,7 @@ static int fuse_removexattr(struct dentry *entry, const char *name)
|
||||
req->in.numargs = 1;
|
||||
req->in.args[0].size = strlen(name) + 1;
|
||||
req->in.args[0].value = name;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
fuse_put_request(fc, req);
|
||||
if (err == -ENOSYS) {
|
||||
|
||||
+438
-19
File diff suppressed because it is too large
Load Diff
+59
-24
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
FUSE: Filesystem in Userspace
|
||||
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
|
||||
Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
|
||||
|
||||
This program can be distributed under the terms of the GNU GPL.
|
||||
See the file COPYING.
|
||||
@@ -19,6 +19,8 @@
|
||||
#include <linux/backing-dev.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/rwsem.h>
|
||||
#include <linux/rbtree.h>
|
||||
#include <linux/poll.h>
|
||||
|
||||
/** Max number of pages that can be used in a single read request */
|
||||
#define FUSE_MAX_PAGES_PER_REQ 32
|
||||
@@ -100,6 +102,9 @@ struct fuse_file {
|
||||
/** Request reserved for flush and release */
|
||||
struct fuse_req *reserved_req;
|
||||
|
||||
/** Kernel file handle guaranteed to be unique */
|
||||
u64 kh;
|
||||
|
||||
/** File handle used by userspace */
|
||||
u64 fh;
|
||||
|
||||
@@ -108,6 +113,12 @@ struct fuse_file {
|
||||
|
||||
/** Entry on inode's write_files list */
|
||||
struct list_head write_entry;
|
||||
|
||||
/** RB node to be linked on fuse_conn->polled_files */
|
||||
struct rb_node polled_node;
|
||||
|
||||
/** Wait queue head for poll */
|
||||
wait_queue_head_t poll_wait;
|
||||
};
|
||||
|
||||
/** One input argument of a request */
|
||||
@@ -322,6 +333,12 @@ struct fuse_conn {
|
||||
/** The list of requests under I/O */
|
||||
struct list_head io;
|
||||
|
||||
/** The next unique kernel file handle */
|
||||
u64 khctr;
|
||||
|
||||
/** rbtree of fuse_files waiting for poll events indexed by ph */
|
||||
struct rb_root polled_files;
|
||||
|
||||
/** Number of requests currently in the background */
|
||||
unsigned num_background;
|
||||
|
||||
@@ -355,19 +372,19 @@ struct fuse_conn {
|
||||
/** Connection failed (version mismatch). Cannot race with
|
||||
setting other bitfields since it is only set once in INIT
|
||||
reply, before any other request, and never cleared */
|
||||
unsigned conn_error : 1;
|
||||
unsigned conn_error:1;
|
||||
|
||||
/** Connection successful. Only set in INIT */
|
||||
unsigned conn_init : 1;
|
||||
unsigned conn_init:1;
|
||||
|
||||
/** Do readpages asynchronously? Only set in INIT */
|
||||
unsigned async_read : 1;
|
||||
unsigned async_read:1;
|
||||
|
||||
/** Do not send separate SETATTR request before open(O_TRUNC) */
|
||||
unsigned atomic_o_trunc : 1;
|
||||
unsigned atomic_o_trunc:1;
|
||||
|
||||
/** Filesystem supports NFS exporting. Only set in INIT */
|
||||
unsigned export_support : 1;
|
||||
unsigned export_support:1;
|
||||
|
||||
/*
|
||||
* The following bitfields are only for optimization purposes
|
||||
@@ -375,43 +392,46 @@ struct fuse_conn {
|
||||
*/
|
||||
|
||||
/** Is fsync not implemented by fs? */
|
||||
unsigned no_fsync : 1;
|
||||
unsigned no_fsync:1;
|
||||
|
||||
/** Is fsyncdir not implemented by fs? */
|
||||
unsigned no_fsyncdir : 1;
|
||||
unsigned no_fsyncdir:1;
|
||||
|
||||
/** Is flush not implemented by fs? */
|
||||
unsigned no_flush : 1;
|
||||
unsigned no_flush:1;
|
||||
|
||||
/** Is setxattr not implemented by fs? */
|
||||
unsigned no_setxattr : 1;
|
||||
unsigned no_setxattr:1;
|
||||
|
||||
/** Is getxattr not implemented by fs? */
|
||||
unsigned no_getxattr : 1;
|
||||
unsigned no_getxattr:1;
|
||||
|
||||
/** Is listxattr not implemented by fs? */
|
||||
unsigned no_listxattr : 1;
|
||||
unsigned no_listxattr:1;
|
||||
|
||||
/** Is removexattr not implemented by fs? */
|
||||
unsigned no_removexattr : 1;
|
||||
unsigned no_removexattr:1;
|
||||
|
||||
/** Are file locking primitives not implemented by fs? */
|
||||
unsigned no_lock : 1;
|
||||
unsigned no_lock:1;
|
||||
|
||||
/** Is access not implemented by fs? */
|
||||
unsigned no_access : 1;
|
||||
unsigned no_access:1;
|
||||
|
||||
/** Is create not implemented by fs? */
|
||||
unsigned no_create : 1;
|
||||
unsigned no_create:1;
|
||||
|
||||
/** Is interrupt not implemented by fs? */
|
||||
unsigned no_interrupt : 1;
|
||||
unsigned no_interrupt:1;
|
||||
|
||||
/** Is bmap not implemented by fs? */
|
||||
unsigned no_bmap : 1;
|
||||
unsigned no_bmap:1;
|
||||
|
||||
/** Is poll not implemented by fs? */
|
||||
unsigned no_poll:1;
|
||||
|
||||
/** Do multi-page cached writes */
|
||||
unsigned big_writes : 1;
|
||||
unsigned big_writes:1;
|
||||
|
||||
/** The number of requests waiting for completion */
|
||||
atomic_t num_waiting;
|
||||
@@ -445,6 +465,9 @@ struct fuse_conn {
|
||||
|
||||
/** Version counter for attribute changes */
|
||||
u64 attr_version;
|
||||
|
||||
/** Called on final put */
|
||||
void (*release)(struct fuse_conn *);
|
||||
};
|
||||
|
||||
static inline struct fuse_conn *get_fuse_conn_super(struct super_block *sb)
|
||||
@@ -499,7 +522,7 @@ void fuse_read_fill(struct fuse_req *req, struct file *file,
|
||||
*/
|
||||
int fuse_open_common(struct inode *inode, struct file *file, int isdir);
|
||||
|
||||
struct fuse_file *fuse_file_alloc(void);
|
||||
struct fuse_file *fuse_file_alloc(struct fuse_conn *fc);
|
||||
void fuse_file_free(struct fuse_file *ff);
|
||||
void fuse_finish_open(struct inode *inode, struct file *file,
|
||||
struct fuse_file *ff, struct fuse_open_out *outarg);
|
||||
@@ -518,6 +541,12 @@ int fuse_release_common(struct inode *inode, struct file *file, int isdir);
|
||||
int fuse_fsync_common(struct file *file, struct dentry *de, int datasync,
|
||||
int isdir);
|
||||
|
||||
/**
|
||||
* Notify poll wakeup
|
||||
*/
|
||||
int fuse_notify_poll_wakeup(struct fuse_conn *fc,
|
||||
struct fuse_notify_poll_wakeup_out *outarg);
|
||||
|
||||
/**
|
||||
* Initialize file operations on a regular file
|
||||
*/
|
||||
@@ -593,19 +622,20 @@ void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req);
|
||||
/**
|
||||
* Send a request (synchronous)
|
||||
*/
|
||||
void request_send(struct fuse_conn *fc, struct fuse_req *req);
|
||||
void fuse_request_send(struct fuse_conn *fc, struct fuse_req *req);
|
||||
|
||||
/**
|
||||
* Send a request with no reply
|
||||
*/
|
||||
void request_send_noreply(struct fuse_conn *fc, struct fuse_req *req);
|
||||
void fuse_request_send_noreply(struct fuse_conn *fc, struct fuse_req *req);
|
||||
|
||||
/**
|
||||
* Send a request in the background
|
||||
*/
|
||||
void request_send_background(struct fuse_conn *fc, struct fuse_req *req);
|
||||
void fuse_request_send_background(struct fuse_conn *fc, struct fuse_req *req);
|
||||
|
||||
void request_send_background_locked(struct fuse_conn *fc, struct fuse_req *req);
|
||||
void fuse_request_send_background_locked(struct fuse_conn *fc,
|
||||
struct fuse_req *req);
|
||||
|
||||
/* Abort all requests */
|
||||
void fuse_abort_conn(struct fuse_conn *fc);
|
||||
@@ -622,6 +652,11 @@ void fuse_invalidate_entry_cache(struct dentry *entry);
|
||||
*/
|
||||
struct fuse_conn *fuse_conn_get(struct fuse_conn *fc);
|
||||
|
||||
/**
|
||||
* Initialize fuse_conn
|
||||
*/
|
||||
int fuse_conn_init(struct fuse_conn *fc, struct super_block *sb);
|
||||
|
||||
/**
|
||||
* Release reference to fuse_conn
|
||||
*/
|
||||
|
||||
+84
-73
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
FUSE: Filesystem in Userspace
|
||||
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
|
||||
Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
|
||||
|
||||
This program can be distributed under the terms of the GNU GPL.
|
||||
See the file COPYING.
|
||||
@@ -37,10 +37,10 @@ struct fuse_mount_data {
|
||||
unsigned rootmode;
|
||||
unsigned user_id;
|
||||
unsigned group_id;
|
||||
unsigned fd_present : 1;
|
||||
unsigned rootmode_present : 1;
|
||||
unsigned user_id_present : 1;
|
||||
unsigned group_id_present : 1;
|
||||
unsigned fd_present:1;
|
||||
unsigned rootmode_present:1;
|
||||
unsigned user_id_present:1;
|
||||
unsigned group_id_present:1;
|
||||
unsigned flags;
|
||||
unsigned max_read;
|
||||
unsigned blksize;
|
||||
@@ -94,7 +94,7 @@ void fuse_send_forget(struct fuse_conn *fc, struct fuse_req *req,
|
||||
req->in.numargs = 1;
|
||||
req->in.args[0].size = sizeof(struct fuse_forget_in);
|
||||
req->in.args[0].value = inarg;
|
||||
request_send_noreply(fc, req);
|
||||
fuse_request_send_noreply(fc, req);
|
||||
}
|
||||
|
||||
static void fuse_clear_inode(struct inode *inode)
|
||||
@@ -250,7 +250,7 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
|
||||
|
||||
fi = get_fuse_inode(inode);
|
||||
spin_lock(&fc->lock);
|
||||
fi->nlookup ++;
|
||||
fi->nlookup++;
|
||||
spin_unlock(&fc->lock);
|
||||
fuse_change_attributes(inode, attr, attr_valid, attr_version);
|
||||
|
||||
@@ -269,7 +269,7 @@ static void fuse_send_destroy(struct fuse_conn *fc)
|
||||
fc->destroy_req = NULL;
|
||||
req->in.h.opcode = FUSE_DESTROY;
|
||||
req->force = 1;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
fuse_put_request(fc, req);
|
||||
}
|
||||
}
|
||||
@@ -334,7 +334,7 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf)
|
||||
req->out.args[0].size =
|
||||
fc->minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(outarg);
|
||||
req->out.args[0].value = &outarg;
|
||||
request_send(fc, req);
|
||||
fuse_request_send(fc, req);
|
||||
err = req->out.h.error;
|
||||
if (!err)
|
||||
convert_fuse_statfs(buf, &outarg.st);
|
||||
@@ -462,68 +462,69 @@ static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct fuse_conn *new_conn(struct super_block *sb)
|
||||
int fuse_conn_init(struct fuse_conn *fc, struct super_block *sb)
|
||||
{
|
||||
struct fuse_conn *fc;
|
||||
int err;
|
||||
|
||||
fc = kzalloc(sizeof(*fc), GFP_KERNEL);
|
||||
if (fc) {
|
||||
spin_lock_init(&fc->lock);
|
||||
mutex_init(&fc->inst_mutex);
|
||||
atomic_set(&fc->count, 1);
|
||||
init_waitqueue_head(&fc->waitq);
|
||||
init_waitqueue_head(&fc->blocked_waitq);
|
||||
init_waitqueue_head(&fc->reserved_req_waitq);
|
||||
INIT_LIST_HEAD(&fc->pending);
|
||||
INIT_LIST_HEAD(&fc->processing);
|
||||
INIT_LIST_HEAD(&fc->io);
|
||||
INIT_LIST_HEAD(&fc->interrupts);
|
||||
INIT_LIST_HEAD(&fc->bg_queue);
|
||||
atomic_set(&fc->num_waiting, 0);
|
||||
fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
|
||||
fc->bdi.unplug_io_fn = default_unplug_io_fn;
|
||||
/* fuse does it's own writeback accounting */
|
||||
fc->bdi.capabilities = BDI_CAP_NO_ACCT_WB;
|
||||
fc->dev = sb->s_dev;
|
||||
err = bdi_init(&fc->bdi);
|
||||
if (err)
|
||||
goto error_kfree;
|
||||
if (sb->s_bdev) {
|
||||
err = bdi_register(&fc->bdi, NULL, "%u:%u-fuseblk",
|
||||
MAJOR(fc->dev), MINOR(fc->dev));
|
||||
} else {
|
||||
err = bdi_register_dev(&fc->bdi, fc->dev);
|
||||
}
|
||||
if (err)
|
||||
goto error_bdi_destroy;
|
||||
/*
|
||||
* For a single fuse filesystem use max 1% of dirty +
|
||||
* writeback threshold.
|
||||
*
|
||||
* This gives about 1M of write buffer for memory maps on a
|
||||
* machine with 1G and 10% dirty_ratio, which should be more
|
||||
* than enough.
|
||||
*
|
||||
* Privileged users can raise it by writing to
|
||||
*
|
||||
* /sys/class/bdi/<bdi>/max_ratio
|
||||
*/
|
||||
bdi_set_max_ratio(&fc->bdi, 1);
|
||||
fc->reqctr = 0;
|
||||
fc->blocked = 1;
|
||||
fc->attr_version = 1;
|
||||
get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key));
|
||||
memset(fc, 0, sizeof(*fc));
|
||||
spin_lock_init(&fc->lock);
|
||||
mutex_init(&fc->inst_mutex);
|
||||
atomic_set(&fc->count, 1);
|
||||
init_waitqueue_head(&fc->waitq);
|
||||
init_waitqueue_head(&fc->blocked_waitq);
|
||||
init_waitqueue_head(&fc->reserved_req_waitq);
|
||||
INIT_LIST_HEAD(&fc->pending);
|
||||
INIT_LIST_HEAD(&fc->processing);
|
||||
INIT_LIST_HEAD(&fc->io);
|
||||
INIT_LIST_HEAD(&fc->interrupts);
|
||||
INIT_LIST_HEAD(&fc->bg_queue);
|
||||
INIT_LIST_HEAD(&fc->entry);
|
||||
atomic_set(&fc->num_waiting, 0);
|
||||
fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
|
||||
fc->bdi.unplug_io_fn = default_unplug_io_fn;
|
||||
/* fuse does it's own writeback accounting */
|
||||
fc->bdi.capabilities = BDI_CAP_NO_ACCT_WB;
|
||||
fc->khctr = 0;
|
||||
fc->polled_files = RB_ROOT;
|
||||
fc->dev = sb->s_dev;
|
||||
err = bdi_init(&fc->bdi);
|
||||
if (err)
|
||||
goto error_mutex_destroy;
|
||||
if (sb->s_bdev) {
|
||||
err = bdi_register(&fc->bdi, NULL, "%u:%u-fuseblk",
|
||||
MAJOR(fc->dev), MINOR(fc->dev));
|
||||
} else {
|
||||
err = bdi_register_dev(&fc->bdi, fc->dev);
|
||||
}
|
||||
return fc;
|
||||
if (err)
|
||||
goto error_bdi_destroy;
|
||||
/*
|
||||
* For a single fuse filesystem use max 1% of dirty +
|
||||
* writeback threshold.
|
||||
*
|
||||
* This gives about 1M of write buffer for memory maps on a
|
||||
* machine with 1G and 10% dirty_ratio, which should be more
|
||||
* than enough.
|
||||
*
|
||||
* Privileged users can raise it by writing to
|
||||
*
|
||||
* /sys/class/bdi/<bdi>/max_ratio
|
||||
*/
|
||||
bdi_set_max_ratio(&fc->bdi, 1);
|
||||
fc->reqctr = 0;
|
||||
fc->blocked = 1;
|
||||
fc->attr_version = 1;
|
||||
get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key));
|
||||
|
||||
error_bdi_destroy:
|
||||
return 0;
|
||||
|
||||
error_bdi_destroy:
|
||||
bdi_destroy(&fc->bdi);
|
||||
error_kfree:
|
||||
error_mutex_destroy:
|
||||
mutex_destroy(&fc->inst_mutex);
|
||||
kfree(fc);
|
||||
return NULL;
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(fuse_conn_init);
|
||||
|
||||
void fuse_conn_put(struct fuse_conn *fc)
|
||||
{
|
||||
@@ -532,7 +533,7 @@ void fuse_conn_put(struct fuse_conn *fc)
|
||||
fuse_request_free(fc->destroy_req);
|
||||
mutex_destroy(&fc->inst_mutex);
|
||||
bdi_destroy(&fc->bdi);
|
||||
kfree(fc);
|
||||
fc->release(fc);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -542,7 +543,7 @@ struct fuse_conn *fuse_conn_get(struct fuse_conn *fc)
|
||||
return fc;
|
||||
}
|
||||
|
||||
static struct inode *get_root_inode(struct super_block *sb, unsigned mode)
|
||||
static struct inode *fuse_get_root_inode(struct super_block *sb, unsigned mode)
|
||||
{
|
||||
struct fuse_attr attr;
|
||||
memset(&attr, 0, sizeof(attr));
|
||||
@@ -553,8 +554,7 @@ static struct inode *get_root_inode(struct super_block *sb, unsigned mode)
|
||||
return fuse_iget(sb, 1, 0, &attr, 0, 0);
|
||||
}
|
||||
|
||||
struct fuse_inode_handle
|
||||
{
|
||||
struct fuse_inode_handle {
|
||||
u64 nodeid;
|
||||
u32 generation;
|
||||
};
|
||||
@@ -761,7 +761,6 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
|
||||
fc->max_write = max_t(unsigned, 4096, fc->max_write);
|
||||
fc->conn_init = 1;
|
||||
}
|
||||
fuse_put_request(fc, req);
|
||||
fc->blocked = 0;
|
||||
wake_up_all(&fc->blocked_waitq);
|
||||
}
|
||||
@@ -787,7 +786,12 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
|
||||
req->out.args[0].size = sizeof(struct fuse_init_out);
|
||||
req->out.args[0].value = &req->misc.init_out;
|
||||
req->end = process_init_reply;
|
||||
request_send_background(fc, req);
|
||||
fuse_request_send_background(fc, req);
|
||||
}
|
||||
|
||||
static void fuse_free_conn(struct fuse_conn *fc)
|
||||
{
|
||||
kfree(fc);
|
||||
}
|
||||
|
||||
static int fuse_fill_super(struct super_block *sb, void *data, int silent)
|
||||
@@ -828,10 +832,17 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
|
||||
if (file->f_op != &fuse_dev_operations)
|
||||
return -EINVAL;
|
||||
|
||||
fc = new_conn(sb);
|
||||
fc = kmalloc(sizeof(*fc), GFP_KERNEL);
|
||||
if (!fc)
|
||||
return -ENOMEM;
|
||||
|
||||
err = fuse_conn_init(fc, sb);
|
||||
if (err) {
|
||||
kfree(fc);
|
||||
return err;
|
||||
}
|
||||
|
||||
fc->release = fuse_free_conn;
|
||||
fc->flags = d.flags;
|
||||
fc->user_id = d.user_id;
|
||||
fc->group_id = d.group_id;
|
||||
@@ -841,7 +852,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
|
||||
sb->s_fs_info = fc;
|
||||
|
||||
err = -ENOMEM;
|
||||
root = get_root_inode(sb, d.rootmode);
|
||||
root = fuse_get_root_inode(sb, d.rootmode);
|
||||
if (!root)
|
||||
goto err;
|
||||
|
||||
@@ -952,7 +963,7 @@ static inline void unregister_fuseblk(void)
|
||||
|
||||
static void fuse_inode_init_once(void *foo)
|
||||
{
|
||||
struct inode * inode = foo;
|
||||
struct inode *inode = foo;
|
||||
|
||||
inode_init_once(inode);
|
||||
}
|
||||
@@ -1031,7 +1042,7 @@ static int __init fuse_init(void)
|
||||
{
|
||||
int res;
|
||||
|
||||
printk("fuse init (API version %i.%i)\n",
|
||||
printk(KERN_INFO "fuse init (API version %i.%i)\n",
|
||||
FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION);
|
||||
|
||||
INIT_LIST_HEAD(&fuse_conn_list);
|
||||
|
||||
+69
-10
@@ -1,6 +1,6 @@
|
||||
/*
|
||||
FUSE: Filesystem in Userspace
|
||||
Copyright (C) 2001-2006 Miklos Szeredi <miklos@szeredi.hu>
|
||||
Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
|
||||
|
||||
This program can be distributed under the terms of the GNU GPL.
|
||||
See the file COPYING.
|
||||
@@ -20,29 +20,27 @@
|
||||
*
|
||||
* 7.10
|
||||
* - add nonseekable open flag
|
||||
*
|
||||
* 7.11
|
||||
* - add IOCTL message
|
||||
* - add unsolicited notification support
|
||||
* - add POLL message and NOTIFY_POLL notification
|
||||
*/
|
||||
|
||||
#ifndef _LINUX_FUSE_H
|
||||
#define _LINUX_FUSE_H
|
||||
|
||||
#include <asm/types.h>
|
||||
#include <linux/major.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
/** Version number of this interface */
|
||||
#define FUSE_KERNEL_VERSION 7
|
||||
|
||||
/** Minor version number of this interface */
|
||||
#define FUSE_KERNEL_MINOR_VERSION 10
|
||||
#define FUSE_KERNEL_MINOR_VERSION 11
|
||||
|
||||
/** The node ID of the root inode */
|
||||
#define FUSE_ROOT_ID 1
|
||||
|
||||
/** The major number of the fuse character device */
|
||||
#define FUSE_MAJOR MISC_MAJOR
|
||||
|
||||
/** The minor number of the fuse character device */
|
||||
#define FUSE_MINOR 229
|
||||
|
||||
/* Make sure all structures are padded to 64bit boundary, so 32bit
|
||||
userspace works under 64bit kernels */
|
||||
|
||||
@@ -151,6 +149,28 @@ struct fuse_file_lock {
|
||||
*/
|
||||
#define FUSE_READ_LOCKOWNER (1 << 1)
|
||||
|
||||
/**
|
||||
* Ioctl flags
|
||||
*
|
||||
* FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine
|
||||
* FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed
|
||||
* FUSE_IOCTL_RETRY: retry with new iovecs
|
||||
*
|
||||
* FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs
|
||||
*/
|
||||
#define FUSE_IOCTL_COMPAT (1 << 0)
|
||||
#define FUSE_IOCTL_UNRESTRICTED (1 << 1)
|
||||
#define FUSE_IOCTL_RETRY (1 << 2)
|
||||
|
||||
#define FUSE_IOCTL_MAX_IOV 256
|
||||
|
||||
/**
|
||||
* Poll flags
|
||||
*
|
||||
* FUSE_POLL_SCHEDULE_NOTIFY: request poll notify
|
||||
*/
|
||||
#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0)
|
||||
|
||||
enum fuse_opcode {
|
||||
FUSE_LOOKUP = 1,
|
||||
FUSE_FORGET = 2, /* no reply */
|
||||
@@ -188,6 +208,13 @@ enum fuse_opcode {
|
||||
FUSE_INTERRUPT = 36,
|
||||
FUSE_BMAP = 37,
|
||||
FUSE_DESTROY = 38,
|
||||
FUSE_IOCTL = 39,
|
||||
FUSE_POLL = 40,
|
||||
};
|
||||
|
||||
enum fuse_notify_code {
|
||||
FUSE_NOTIFY_POLL = 1,
|
||||
FUSE_NOTIFY_CODE_MAX,
|
||||
};
|
||||
|
||||
/* The read buffer is required to be at least 8k, but may be much larger */
|
||||
@@ -388,6 +415,38 @@ struct fuse_bmap_out {
|
||||
__u64 block;
|
||||
};
|
||||
|
||||
struct fuse_ioctl_in {
|
||||
__u64 fh;
|
||||
__u32 flags;
|
||||
__u32 cmd;
|
||||
__u64 arg;
|
||||
__u32 in_size;
|
||||
__u32 out_size;
|
||||
};
|
||||
|
||||
struct fuse_ioctl_out {
|
||||
__s32 result;
|
||||
__u32 flags;
|
||||
__u32 in_iovs;
|
||||
__u32 out_iovs;
|
||||
};
|
||||
|
||||
struct fuse_poll_in {
|
||||
__u64 fh;
|
||||
__u64 kh;
|
||||
__u32 flags;
|
||||
__u32 padding;
|
||||
};
|
||||
|
||||
struct fuse_poll_out {
|
||||
__u32 revents;
|
||||
__u32 padding;
|
||||
};
|
||||
|
||||
struct fuse_notify_poll_wakeup_out {
|
||||
__u64 kh;
|
||||
};
|
||||
|
||||
struct fuse_in_header {
|
||||
__u32 len;
|
||||
__u32 opcode;
|
||||
|
||||
+21
-21
@@ -3,33 +3,33 @@
|
||||
#include <linux/module.h>
|
||||
#include <linux/major.h>
|
||||
|
||||
#define PSMOUSE_MINOR 1
|
||||
#define MS_BUSMOUSE_MINOR 2
|
||||
#define ATIXL_BUSMOUSE_MINOR 3
|
||||
/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
|
||||
#define ATARIMOUSE_MINOR 5
|
||||
#define SUN_MOUSE_MINOR 6
|
||||
#define APOLLO_MOUSE_MINOR 7
|
||||
#define PC110PAD_MINOR 9
|
||||
/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
|
||||
#define PSMOUSE_MINOR 1
|
||||
#define MS_BUSMOUSE_MINOR 2
|
||||
#define ATIXL_BUSMOUSE_MINOR 3
|
||||
/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
|
||||
#define ATARIMOUSE_MINOR 5
|
||||
#define SUN_MOUSE_MINOR 6
|
||||
#define APOLLO_MOUSE_MINOR 7
|
||||
#define PC110PAD_MINOR 9
|
||||
/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
|
||||
#define WATCHDOG_MINOR 130 /* Watchdog timer */
|
||||
#define TEMP_MINOR 131 /* Temperature Sensor */
|
||||
#define RTC_MINOR 135
|
||||
#define RTC_MINOR 135
|
||||
#define EFI_RTC_MINOR 136 /* EFI Time services */
|
||||
#define SUN_OPENPROM_MINOR 139
|
||||
#define SUN_OPENPROM_MINOR 139
|
||||
#define DMAPI_MINOR 140 /* DMAPI */
|
||||
#define NVRAM_MINOR 144
|
||||
#define SGI_MMTIMER 153
|
||||
#define NVRAM_MINOR 144
|
||||
#define SGI_MMTIMER 153
|
||||
#define STORE_QUEUE_MINOR 155
|
||||
#define I2O_MINOR 166
|
||||
#define I2O_MINOR 166
|
||||
#define MICROCODE_MINOR 184
|
||||
#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
|
||||
#define MPT_MINOR 220
|
||||
#define MISC_DYNAMIC_MINOR 255
|
||||
|
||||
#define TUN_MINOR 200
|
||||
#define HPET_MINOR 228
|
||||
#define KVM_MINOR 232
|
||||
#define TUN_MINOR 200
|
||||
#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
|
||||
#define MPT_MINOR 220
|
||||
#define HPET_MINOR 228
|
||||
#define FUSE_MINOR 229
|
||||
#define KVM_MINOR 232
|
||||
#define MISC_DYNAMIC_MINOR 255
|
||||
|
||||
struct device;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user