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Merge tag 'write-page-prefaulting' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

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Pull iomap fixlet from Andreas Gruenbacher:
 "Fix buffered write page prefaulting.

  I forgot to send it the previous merge window. I've only improved the
  patch description since"

* tag 'write-page-prefaulting' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  fs/iomap: Fix buffered write page prefaulting
This commit is contained in:
Linus Torvalds
2022-03-26 12:41:52 -07:00
parent b06a17583f 631f871f07
commit a060c9409e
2 changed files with 2 additions and 2 deletions
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2
fs/iomap/buffered-io.c
View File

@@ -765,7 +765,7 @@ again:
* same page as we're writing to, without it being marked
* up-to-date.
*/
if (unlikely(fault_in_iov_iter_readable(i, bytes))) {
if (unlikely(fault_in_iov_iter_readable(i, bytes) == bytes)) {
status = -EFAULT;
break;
}

2
mm/filemap.c
View File

@@ -3779,7 +3779,7 @@ again:
* same page as we're writing to, without it being marked
* up-to-date.
*/
if (unlikely(fault_in_iov_iter_readable(i, bytes))) {
if (unlikely(fault_in_iov_iter_readable(i, bytes) == bytes)) {
status = -EFAULT;
break;
}