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vfs: do bulk POLL* -> EPOLL* replacement

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This is the mindless scripted replacement of kernel use of POLL*
variables as described by Al, done by this script:

    for V in IN OUT PRI ERR RDNORM RDBAND WRNORM WRBAND HUP RDHUP NVAL MSG; do
        L=`git grep -l -w POLL$V | grep -v '^t' | grep -v /um/ | grep -v '^sa' | grep -v '/poll.h$'|grep -v '^D'`
        for f in $L; do sed -i "-es/^\([^\"]*\)\(\<POLL$V\>\)/\\1E\\2/" $f; done
    done

with de-mangling cleanups yet to come.

NOTE! On almost all architectures, the EPOLL* constants have the same
values as the POLL* constants do.  But they keyword here is "almost".
For various bad reasons they aren't the same, and epoll() doesn't
actually work quite correctly in some cases due to this on Sparc et al.

The next patch from Al will sort out the final differences, and we
should be all done.

Scripted-by: Al Viro <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Linus Torvalds 2018-02-11 14:34:03 -08:00
commit a9a08845e9
297 changed files with 913 additions and 913 deletions
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10
fs/select.c
View file

@ -432,9 +432,9 @@ get_max:
return max;
}
#define POLLIN_SET (POLLRDNORM | POLLRDBAND | POLLIN | POLLHUP | POLLERR)
#define POLLOUT_SET (POLLWRBAND | POLLWRNORM | POLLOUT | POLLERR)
#define POLLEX_SET (POLLPRI)
#define POLLIN_SET (EPOLLRDNORM | EPOLLRDBAND | EPOLLIN | EPOLLHUP | EPOLLERR)
#define POLLOUT_SET (EPOLLWRBAND | EPOLLWRNORM | EPOLLOUT | EPOLLERR)
#define POLLEX_SET (EPOLLPRI)
static inline void wait_key_set(poll_table *wait, unsigned long in,
unsigned long out, unsigned long bit,
@ -814,11 +814,11 @@ static inline __poll_t do_pollfd(struct pollfd *pollfd, poll_table *pwait,
fd = pollfd->fd;
if (fd >= 0) {
struct fd f = fdget(fd);
mask = POLLNVAL;
mask = EPOLLNVAL;
if (f.file) {
/* userland u16 ->events contains POLL... bitmap */
__poll_t filter = demangle_poll(pollfd->events) |
POLLERR | POLLHUP;
EPOLLERR | EPOLLHUP;
mask = DEFAULT_POLLMASK;
if (f.file->f_op->poll) {
pwait->_key = filter;