diff options
Diffstat (limited to 'fs/orangefs/orangefs-bufmap.c')
| -rw-r--r-- | fs/orangefs/orangefs-bufmap.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c index 443bcd8c3c19..2bb916d68576 100644 --- a/fs/orangefs/orangefs-bufmap.c +++ b/fs/orangefs/orangefs-bufmap.c @@ -269,7 +269,7 @@ orangefs_bufmap_map(struct orangefs_bufmap *bufmap, /* map the pages */ ret = get_user_pages_fast((unsigned long)user_desc->ptr, - bufmap->page_count, 1, bufmap->page_array); + bufmap->page_count, FOLL_WRITE, bufmap->page_array); if (ret < 0) return ret; @@ -538,3 +538,16 @@ int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter, } return 0; } + +void orangefs_bufmap_page_fill(void *page_to, + int buffer_index, + int slot_index) +{ + struct orangefs_bufmap_desc *from; + void *page_from; + + from = &__orangefs_bufmap->desc_array[buffer_index]; + page_from = kmap_atomic(from->page_array[slot_index]); + memcpy(page_to, page_from, PAGE_SIZE); + kunmap_atomic(page_from); +} |