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config: remove HAVE_GET_USER_PAGES_*

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get_user_pages_unlocked() had stabilised by 4.9.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris
2024-09-18 22:20:47 +10:00
committed by Brian Behlendorf
parent 696d7a71a0
commit 5df65ca9c1
4 changed files with 10 additions and 229 deletions
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module/os/linux/zfs/zfs_uio.c
+10 -3
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@@ -589,9 +589,16 @@ zfs_uio_iov_step(struct iovec v, zfs_uio_rw_t rw, zfs_uio_t *uio,
size_t len = v.iov_len;
unsigned long n = DIV_ROUND_UP(len, PAGE_SIZE);
long res = zfs_get_user_pages(
P2ALIGN_TYPED(addr, PAGE_SIZE, unsigned long), n, rw == UIO_READ,
&uio->uio_dio.pages[uio->uio_dio.npages]);
/*
* read returning FOLL_WRITE is due to the fact that we are stating
* that the kernel will have write access to the user pages. So, when a
* Direct I/O read request is issued, the kernel must write to the user
* pages.
*/
long res = get_user_pages_unlocked(
P2ALIGN_TYPED(addr, PAGE_SIZE, unsigned long), n,
&uio->uio_dio.pages[uio->uio_dio.npages],
rw == UIO_READ ? FOLL_WRITE : 0);
if (res < 0) {
return (SET_ERROR(-res));
} else if (len != (res * PAGE_SIZE)) {