From: Ira Weiny <ira.we...@intel.com> The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call.
Cc: Hans de Goede <hdego...@redhat.com> Signed-off-by: Ira Weiny <ira.we...@intel.com> --- fs/vboxsf/file.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c index c4ab5996d97a..d9c7e6b7b4cc 100644 --- a/fs/vboxsf/file.c +++ b/fs/vboxsf/file.c @@ -216,7 +216,7 @@ static int vboxsf_readpage(struct file *file, struct page *page) u8 *buf; int err; - buf = kmap(page); + buf = kmap_thread(page); err = vboxsf_read(sf_handle->root, sf_handle->handle, off, &nread, buf); if (err == 0) { @@ -227,7 +227,7 @@ static int vboxsf_readpage(struct file *file, struct page *page) SetPageError(page); } - kunmap(page); + kunmap_thread(page); unlock_page(page); return err; } @@ -268,10 +268,10 @@ static int vboxsf_writepage(struct page *page, struct writeback_control *wbc) if (!sf_handle) return -EBADF; - buf = kmap(page); + buf = kmap_thread(page); err = vboxsf_write(sf_handle->root, sf_handle->handle, off, &nwrite, buf); - kunmap(page); + kunmap_thread(page); kref_put(&sf_handle->refcount, vboxsf_handle_release); @@ -302,10 +302,10 @@ static int vboxsf_write_end(struct file *file, struct address_space *mapping, if (!PageUptodate(page) && copied < len) zero_user(page, from + copied, len - copied); - buf = kmap(page); + buf = kmap_thread(page); err = vboxsf_write(sf_handle->root, sf_handle->handle, pos, &nwritten, buf + from); - kunmap(page); + kunmap_thread(page); if (err) { nwritten = 0; -- 2.28.0.rc0.12.gb6a658bd00c9 _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-le...@lists.01.org