summaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/cachefiles/daemon.c6
-rw-r--r--fs/coda/psdev.c4
-rw-r--r--fs/debugfs/file.c4
-rw-r--r--fs/dlm/plock.c4
-rw-r--r--fs/dlm/user.c2
-rw-r--r--fs/ecryptfs/miscdev.c4
-rw-r--r--fs/eventfd.c4
-rw-r--r--fs/eventpoll.c28
-rw-r--r--fs/fcntl.c4
-rw-r--r--fs/fuse/dev.c4
-rw-r--r--fs/fuse/file.c6
-rw-r--r--fs/fuse/fuse_i.h2
-rw-r--r--fs/kernfs/file.c2
-rw-r--r--fs/notify/fanotify/fanotify_user.c4
-rw-r--r--fs/notify/inotify/inotify_user.c4
-rw-r--r--fs/ocfs2/dlmfs/dlmfs.c4
-rw-r--r--fs/orangefs/devorangefs-req.c6
-rw-r--r--fs/pipe.c4
-rw-r--r--fs/proc/inode.c6
-rw-r--r--fs/proc/kmsg.c2
-rw-r--r--fs/proc/proc_sysctl.c4
-rw-r--r--fs/proc_namespace.c4
-rw-r--r--fs/select.c27
-rw-r--r--fs/signalfd.c4
-rw-r--r--fs/timerfd.c4
-rw-r--r--fs/userfaultfd.c4
26 files changed, 77 insertions, 74 deletions
diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c
index 1ee54ffd3a24..7edbd0679952 100644
--- a/fs/cachefiles/daemon.c
+++ b/fs/cachefiles/daemon.c
@@ -31,7 +31,7 @@ static ssize_t cachefiles_daemon_read(struct file *, char __user *, size_t,
loff_t *);
static ssize_t cachefiles_daemon_write(struct file *, const char __user *,
size_t, loff_t *);
-static unsigned int cachefiles_daemon_poll(struct file *,
+static __poll_t cachefiles_daemon_poll(struct file *,
struct poll_table_struct *);
static int cachefiles_daemon_frun(struct cachefiles_cache *, char *);
static int cachefiles_daemon_fcull(struct cachefiles_cache *, char *);
@@ -291,11 +291,11 @@ found_command:
* poll for culling state
* - use POLLOUT to indicate culling state
*/
-static unsigned int cachefiles_daemon_poll(struct file *file,
+static __poll_t cachefiles_daemon_poll(struct file *file,
struct poll_table_struct *poll)
{
struct cachefiles_cache *cache = file->private_data;
- unsigned int mask;
+ __poll_t mask;
poll_wait(file, &cache->daemon_pollwq, poll);
mask = 0;
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index f40e3953e7fe..49d3c6fda89a 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -61,10 +61,10 @@ static struct class *coda_psdev_class;
* Device operations
*/
-static unsigned int coda_psdev_poll(struct file *file, poll_table * wait)
+static __poll_t coda_psdev_poll(struct file *file, poll_table * wait)
{
struct venus_comm *vcp = (struct venus_comm *) file->private_data;
- unsigned int mask = POLLOUT | POLLWRNORM;
+ __poll_t mask = POLLOUT | POLLWRNORM;
poll_wait(file, &vcp->vc_waitq, wait);
mutex_lock(&vcp->vc_mutex);
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index cd12e6576b48..6fdbf21be318 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -206,11 +206,11 @@ FULL_PROXY_FUNC(unlocked_ioctl, long, filp,
PROTO(struct file *filp, unsigned int cmd, unsigned long arg),
ARGS(filp, cmd, arg));
-static unsigned int full_proxy_poll(struct file *filp,
+static __poll_t full_proxy_poll(struct file *filp,
struct poll_table_struct *wait)
{
struct dentry *dentry = F_DENTRY(filp);
- unsigned int r = 0;
+ __poll_t r = 0;
const struct file_operations *real_fops;
if (debugfs_file_get(dentry))
diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index e631b1689228..a4c63e9e6385 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -463,9 +463,9 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
return count;
}
-static unsigned int dev_poll(struct file *file, poll_table *wait)
+static __poll_t dev_poll(struct file *file, poll_table *wait)
{
- unsigned int mask = 0;
+ __poll_t mask = 0;
poll_wait(file, &send_wq, wait);
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index d18e7a539f11..662432af8ce8 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -887,7 +887,7 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count,
return rv;
}
-static unsigned int device_poll(struct file *file, poll_table *wait)
+static __poll_t device_poll(struct file *file, poll_table *wait)
{
struct dlm_user_proc *proc = file->private_data;
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index f09cacaf8c80..7423e792a092 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -38,11 +38,11 @@ static atomic_t ecryptfs_num_miscdev_opens;
*
* Returns the poll mask
*/
-static unsigned int
+static __poll_t
ecryptfs_miscdev_poll(struct file *file, poll_table *pt)
{
struct ecryptfs_daemon *daemon = file->private_data;
- unsigned int mask = 0;
+ __poll_t mask = 0;
mutex_lock(&daemon->mux);
if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {
diff --git a/fs/eventfd.c b/fs/eventfd.c
index 2fb4eadaa118..6318a9b57e53 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -114,10 +114,10 @@ static int eventfd_release(struct inode *inode, struct file *file)
return 0;
}
-static unsigned int eventfd_poll(struct file *file, poll_table *wait)
+static __poll_t eventfd_poll(struct file *file, poll_table *wait)
{
struct eventfd_ctx *ctx = file->private_data;
- unsigned int events = 0;
+ __poll_t events = 0;
u64 count;
poll_wait(file, &ctx->wqh, wait);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index afd548ebc328..42e35a6977c9 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -874,7 +874,8 @@ static void ep_ptable_queue_proc(struct file *file, wait_queue_head_t *whead,
* the ep->mtx so we need to start from depth=1, such that mutex_lock_nested()
* is correctly annotated.
*/
-static unsigned int ep_item_poll(struct epitem *epi, poll_table *pt, int depth)
+static unsigned int ep_item_poll(const struct epitem *epi, poll_table *pt,
+ int depth)
{
struct eventpoll *ep;
bool locked;
@@ -920,7 +921,7 @@ static int ep_read_events_proc(struct eventpoll *ep, struct list_head *head,
return 0;
}
-static unsigned int ep_eventpoll_poll(struct file *file, poll_table *wait)
+static __poll_t ep_eventpoll_poll(struct file *file, poll_table *wait)
{
struct eventpoll *ep = file->private_data;
int depth = 0;
@@ -1117,6 +1118,7 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v
unsigned long flags;
struct epitem *epi = ep_item_from_wait(wait);
struct eventpoll *ep = epi->ep;
+ __poll_t pollflags = key_to_poll(key);
int ewake = 0;
spin_lock_irqsave(&ep->lock, flags);
@@ -1138,7 +1140,7 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v
* callback. We need to be able to handle both cases here, hence the
* test for "key" != NULL before the event match test.
*/
- if (key && !((unsigned long) key & epi->event.events))
+ if (pollflags && !(pollflags & epi->event.events))
goto out_unlock;
/*
@@ -1175,8 +1177,8 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v
*/
if (waitqueue_active(&ep->wq)) {
if ((epi->event.events & EPOLLEXCLUSIVE) &&
- !((unsigned long)key & POLLFREE)) {
- switch ((unsigned long)key & EPOLLINOUT_BITS) {
+ !(pollflags & POLLFREE)) {
+ switch (pollflags & EPOLLINOUT_BITS) {
case POLLIN:
if (epi->event.events & POLLIN)
ewake = 1;
@@ -1205,7 +1207,7 @@ out_unlock:
if (!(epi->event.events & EPOLLEXCLUSIVE))
ewake = 1;
- if ((unsigned long)key & POLLFREE) {
+ if (pollflags & POLLFREE) {
/*
* If we race with ep_remove_wait_queue() it can miss
* ->whead = NULL and do another remove_wait_queue() after
@@ -1409,7 +1411,7 @@ static noinline void ep_destroy_wakeup_source(struct epitem *epi)
/*
* Must be called with "mtx" held.
*/
-static int ep_insert(struct eventpoll *ep, struct epoll_event *event,
+static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,
struct file *tfile, int fd, int full_check)
{
int error, revents, pwake = 0;
@@ -1486,7 +1488,7 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event,
ep_set_busy_poll_napi_id(epi);
/* If the file is already "ready" we drop it inside the ready list */
- if ((revents & event->events) && !ep_is_linked(&epi->rdllink)) {
+ if (revents && !ep_is_linked(&epi->rdllink)) {
list_add_tail(&epi->rdllink, &ep->rdllist);
ep_pm_stay_awake(epi);
@@ -1540,10 +1542,10 @@ error_create_wakeup_source:
* Modify the interest event mask by dropping an event if the new mask
* has a match in the current file status. Must be called with "mtx" held.
*/
-static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_event *event)
+static int ep_modify(struct eventpoll *ep, struct epitem *epi,
+ const struct epoll_event *event)
{
int pwake = 0;
- unsigned int revents;
poll_table pt;
init_poll_funcptr(&pt, NULL);
@@ -1585,14 +1587,10 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even
/*
* Get current event bits. We can safely use the file* here because
* its usage count has been increased by the caller of this function.
- */
- revents = ep_item_poll(epi, &pt, 1);
-
- /*
* If the item is "hot" and it is not registered inside the ready
* list, push it inside.
*/
- if (revents & event->events) {
+ if (ep_item_poll(epi, &pt, 1)) {
spin_lock_irq(&ep->lock);
if (!ep_is_linked(&epi->rdllink)) {
list_add_tail(&epi->rdllink, &ep->rdllist);
diff --git a/fs/fcntl.c b/fs/fcntl.c
index c17369659f4a..c7b9e0948107 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -690,7 +690,7 @@ COMPAT_SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd,
/* Table to convert sigio signal codes into poll band bitmaps */
-static const long band_table[NSIGPOLL] = {
+static const __poll_t band_table[NSIGPOLL] = {
POLLIN | POLLRDNORM, /* POLL_IN */
POLLOUT | POLLWRNORM | POLLWRBAND, /* POLL_OUT */
POLLIN | POLLRDNORM | POLLMSG, /* POLL_MSG */
@@ -759,7 +759,7 @@ static void send_sigio_to_task(struct task_struct *p,
if (reason - POLL_IN >= NSIGPOLL)
si.si_band = ~0L;
else
- si.si_band = band_table[reason - POLL_IN];
+ si.si_band = mangle_poll(band_table[reason - POLL_IN]);
si.si_fd = fd;
if (!do_send_sig_info(signum, &si, p, group))
break;
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 17f0d05bfd4c..aa089a6925d0 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -2004,9 +2004,9 @@ out:
return ret;
}
-static unsigned fuse_dev_poll(struct file *file, poll_table *wait)
+static __poll_t fuse_dev_poll(struct file *file, poll_table *wait)
{
- unsigned mask = POLLOUT | POLLWRNORM;
+ __poll_t mask = POLLOUT | POLLWRNORM;
struct fuse_iqueue *fiq;
struct fuse_dev *fud = fuse_get_dev(file);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index cb7dff5c45d7..e85e974dd211 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2751,7 +2751,7 @@ static void fuse_register_polled_file(struct fuse_conn *fc,
spin_unlock(&fc->lock);
}
-unsigned fuse_file_poll(struct file *file, poll_table *wait)
+__poll_t fuse_file_poll(struct file *file, poll_table *wait)
{
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fc;
@@ -2764,7 +2764,7 @@ unsigned fuse_file_poll(struct file *file, poll_table *wait)
return DEFAULT_POLLMASK;
poll_wait(file, &ff->poll_wait, wait);
- inarg.events = (__u32)poll_requested_events(wait);
+ inarg.events = mangle_poll(poll_requested_events(wait));
/*
* Ask for notification iff there's someone waiting for it.
@@ -2786,7 +2786,7 @@ unsigned fuse_file_poll(struct file *file, poll_table *wait)
err = fuse_simple_request(fc, &args);
if (!err)
- return outarg.revents;
+ return demangle_poll(outarg.revents);
if (err == -ENOSYS) {
fc->no_poll = 1;
return DEFAULT_POLLMASK;
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index d5773ca67ad2..c4c093bbf456 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -951,7 +951,7 @@ long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,
unsigned int flags);
long fuse_ioctl_common(struct file *file, unsigned int cmd,
unsigned long arg, unsigned int flags);
-unsigned fuse_file_poll(struct file *file, poll_table *wait);
+__poll_t fuse_file_poll(struct file *file, poll_table *wait);
int fuse_dev_release(struct inode *inode, struct file *file);
bool fuse_write_update_size(struct inode *inode, loff_t pos);
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index 9698e51656b1..c53d9cc5ae7a 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -832,7 +832,7 @@ void kernfs_drain_open_files(struct kernfs_node *kn)
* to see if it supports poll (Neither 'poll' nor 'select' return
* an appropriate error code). When in doubt, set a suitable timeout value.
*/
-static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait)
+static __poll_t kernfs_fop_poll(struct file *filp, poll_table *wait)
{
struct kernfs_open_file *of = kernfs_of(filp);
struct kernfs_node *kn = kernfs_dentry_node(filp->f_path.dentry);
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index d0d4bc4c4b70..ef08d64c84b8 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -239,10 +239,10 @@ out_close_fd:
}
/* intofiy userspace file descriptor functions */
-static unsigned int fanotify_poll(struct file *file, poll_table *wait)
+static __poll_t fanotify_poll(struct file *file, poll_table *wait)
{
struct fsnotify_group *group = file->private_data;
- int ret = 0;
+ __poll_t ret = 0;
poll_wait(file, &group->notification_waitq, wait);
spin_lock(&group->notification_lock);
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index d3c20e0bb046..5c29bf16814f 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -107,10 +107,10 @@ static inline u32 inotify_mask_to_arg(__u32 mask)
}
/* intofiy userspace file descriptor functions */
-static unsigned int inotify_poll(struct file *file, poll_table *wait)
+static __poll_t inotify_poll(struct file *file, poll_table *wait)
{
struct fsnotify_group *group = file->private_data;
- int ret = 0;
+ __poll_t ret = 0;
poll_wait(file, &group->notification_waitq, wait);
spin_lock(&group->notification_lock);
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 9c7c18c0e129..385fcefa8bc5 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -220,9 +220,9 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
return 0;
}
-static unsigned int dlmfs_file_poll(struct file *file, poll_table *wait)
+static __poll_t dlmfs_file_poll(struct file *file, poll_table *wait)
{
- int event = 0;
+ __poll_t event = 0;
struct inode *inode = file_inode(file);
struct dlmfs_inode_private *ip = DLMFS_I(inode);
diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c
index c584ad8d023c..f073cd9e6687 100644
--- a/fs/orangefs/devorangefs-req.c
+++ b/fs/orangefs/devorangefs-req.c
@@ -815,15 +815,15 @@ void orangefs_dev_cleanup(void)
ORANGEFS_REQDEVICE_NAME);
}
-static unsigned int orangefs_devreq_poll(struct file *file,
+static __poll_t orangefs_devreq_poll(struct file *file,
struct poll_table_struct *poll_table)
{
- int poll_revent_mask = 0;
+ __poll_t poll_revent_mask = 0;
poll_wait(file, &orangefs_request_list_waitq, poll_table);
if (!list_empty(&orangefs_request_list))
- poll_revent_mask |= POLL_IN;
+ poll_revent_mask |= POLLIN;
return poll_revent_mask;
}
diff --git a/fs/pipe.c b/fs/pipe.c
index 6d98566201ef..a449ca0ec0c6 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -515,10 +515,10 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
/* No kernel lock held - fine */
-static unsigned int
+static __poll_t
pipe_poll(struct file *filp, poll_table *wait)
{
- unsigned int mask;
+ __poll_t mask;
struct pipe_inode_info *pipe = filp->private_data;
int nrbufs;
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index dd0f82622427..8dacaabb9f37 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -234,11 +234,11 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t
return rv;
}
-static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts)
+static __poll_t proc_reg_poll(struct file *file, struct poll_table_struct *pts)
{
struct proc_dir_entry *pde = PDE(file_inode(file));
- unsigned int rv = DEFAULT_POLLMASK;
- unsigned int (*poll)(struct file *, struct poll_table_struct *);
+ __poll_t rv = DEFAULT_POLLMASK;
+ __poll_t (*poll)(struct file *, struct poll_table_struct *);
if (use_pde(pde)) {
poll = pde->proc_fops->poll;
if (poll)
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index e0f8774acd65..f0bfb45c3f9f 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -40,7 +40,7 @@ static ssize_t kmsg_read(struct file *file, char __user *buf,
return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC);
}
-static unsigned int kmsg_poll(struct file *file, poll_table *wait)
+static __poll_t kmsg_poll(struct file *file, poll_table *wait)
{
poll_wait(file, &log_wait, wait);
if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index c5cbbdff3c3d..63325377621a 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -630,12 +630,12 @@ static int proc_sys_open(struct inode *inode, struct file *filp)
return 0;
}
-static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
+static __poll_t proc_sys_poll(struct file *filp, poll_table *wait)
{
struct inode *inode = file_inode(filp);
struct ctl_table_header *head = grab_header(inode);
struct ctl_table *table = PROC_I(inode)->sysctl_entry;
- unsigned int ret = DEFAULT_POLLMASK;
+ __poll_t ret = DEFAULT_POLLMASK;
unsigned long event;
/* sysctl was unregistered */
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index b786840facd9..c8528d587e09 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -18,12 +18,12 @@
#include "pnode.h"
#include "internal.h"
-static unsigned mounts_poll(struct file *file, poll_table *wait)
+static __poll_t mounts_poll(struct file *file, poll_table *wait)
{
struct seq_file *m = file->private_data;
struct proc_mounts *p = m->private;
struct mnt_namespace *ns = p->ns;
- unsigned res = POLLIN | POLLRDNORM;
+ __poll_t res = POLLIN | POLLRDNORM;
int event;
poll_wait(file, &p->ns->poll, wait);
diff --git a/fs/select.c b/fs/select.c
index 6de493bb42a4..ec14171dd78a 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -212,7 +212,7 @@ static int pollwake(wait_queue_entry_t *wait, unsigned mode, int sync, void *key
struct poll_table_entry *entry;
entry = container_of(wait, struct poll_table_entry, wait);
- if (key && !((unsigned long)key & entry->key))
+ if (key && !(key_to_poll(key) & entry->key))
return 0;
return __pollwake(wait, mode, sync, key);
}
@@ -438,7 +438,7 @@ get_max:
static inline void wait_key_set(poll_table *wait, unsigned long in,
unsigned long out, unsigned long bit,
- unsigned int ll_flag)
+ __poll_t ll_flag)
{
wait->_key = POLLEX_SET | ll_flag;
if (in & bit)
@@ -454,7 +454,7 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
poll_table *wait;
int retval, i, timed_out = 0;
u64 slack = 0;
- unsigned int busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0;
+ __poll_t busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0;
unsigned long busy_start = 0;
rcu_read_lock();
@@ -484,8 +484,9 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time)
rinp = fds->res_in; routp = fds->res_out; rexp = fds->res_ex;
for (i = 0; i < n; ++rinp, ++routp, ++rexp) {
- unsigned long in, out, ex, all_bits, bit = 1, mask, j;
+ unsigned long in, out, ex, all_bits, bit = 1, j;
unsigned long res_in = 0, res_out = 0, res_ex = 0;
+ __poll_t mask;
in = *inp++; out = *outp++; ex = *exp++;
all_bits = in | out | ex;
@@ -802,11 +803,11 @@ struct poll_list {
* pwait poll_table will be used by the fd-provided poll handler for waiting,
* if pwait->_qproc is non-NULL.
*/
-static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait,
+static inline __poll_t do_pollfd(struct pollfd *pollfd, poll_table *pwait,
bool *can_busy_poll,
- unsigned int busy_flag)
+ __poll_t busy_flag)
{
- unsigned int mask;
+ __poll_t mask;
int fd;
mask = 0;
@@ -815,20 +816,24 @@ static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait,
struct fd f = fdget(fd);
mask = POLLNVAL;
if (f.file) {
+ /* userland u16 ->events contains POLL... bitmap */
+ __poll_t filter = demangle_poll(pollfd->events) |
+ POLLERR | POLLHUP;
mask = DEFAULT_POLLMASK;
if (f.file->f_op->poll) {
- pwait->_key = pollfd->events|POLLERR|POLLHUP;
+ pwait->_key = filter;
pwait->_key |= busy_flag;
mask = f.file->f_op->poll(f.file, pwait);
if (mask & busy_flag)
*can_busy_poll = true;
}
/* Mask out unneeded events. */
- mask &= pollfd->events | POLLERR | POLLHUP;
+ mask &= filter;
fdput(f);
}
}
- pollfd->revents = mask;
+ /* ... and so does ->revents */
+ pollfd->revents = mangle_poll(mask);
return mask;
}
@@ -840,7 +845,7 @@ static int do_poll(struct poll_list *list, struct poll_wqueues *wait,
ktime_t expire, *to = NULL;
int timed_out = 0, count = 0;
u64 slack = 0;
- unsigned int busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0;
+ __poll_t busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0;
unsigned long busy_start = 0;
/* Optimise the no-wait case */
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 5f1ff8756595..31e923bec99a 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -58,10 +58,10 @@ static int signalfd_release(struct inode *inode, struct file *file)
return 0;
}
-static unsigned int signalfd_poll(struct file *file, poll_table *wait)
+static __poll_t signalfd_poll(struct file *file, poll_table *wait)
{
struct signalfd_ctx *ctx = file->private_data;
- unsigned int events = 0;
+ __poll_t events = 0;
poll_wait(file, &current->sighand->signalfd_wqh, wait);
diff --git a/fs/timerfd.c b/fs/timerfd.c
index 040612ec9598..0510717f3a53 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -227,10 +227,10 @@ static int timerfd_release(struct inode *inode, struct file *file)
return 0;
}
-static unsigned int timerfd_poll(struct file *file, poll_table *wait)
+static __poll_t timerfd_poll(struct file *file, poll_table *wait)
{
struct timerfd_ctx *ctx = file->private_data;
- unsigned int events = 0;
+ __poll_t events = 0;
unsigned long flags;
poll_wait(file, &ctx->wqh, wait);
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 41a75f9f23fd..743eaa646898 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -937,10 +937,10 @@ static inline struct userfaultfd_wait_queue *find_userfault_evt(
return find_userfault_in(&ctx->event_wqh);
}
-static unsigned int userfaultfd_poll(struct file *file, poll_table *wait)
+static __poll_t userfaultfd_poll(struct file *file, poll_table *wait)
{
struct userfaultfd_ctx *ctx = file->private_data;
- unsigned int ret;
+ __poll_t ret;
poll_wait(file, &ctx->fd_wqh, wait);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 11:34:05 +0000