diff options
| -rw-r--r-- | fs/ceph/pagelist.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/ceph/pagelist.c b/fs/ceph/pagelist.c index b6859f47d364..46a368b6dce5 100644 --- a/fs/ceph/pagelist.c +++ b/fs/ceph/pagelist.c | |||
| @@ -5,10 +5,18 @@ | |||
| 5 | 5 | ||
| 6 | #include "pagelist.h" | 6 | #include "pagelist.h" |
| 7 | 7 | ||
| 8 | static void ceph_pagelist_unmap_tail(struct ceph_pagelist *pl) | ||
| 9 | { | ||
| 10 | struct page *page = list_entry(pl->head.prev, struct page, | ||
| 11 | lru); | ||
| 12 | kunmap(page); | ||
| 13 | } | ||
| 14 | |||
| 8 | int ceph_pagelist_release(struct ceph_pagelist *pl) | 15 | int ceph_pagelist_release(struct ceph_pagelist *pl) |
| 9 | { | 16 | { |
| 10 | if (pl->mapped_tail) | 17 | if (pl->mapped_tail) |
| 11 | kunmap(pl->mapped_tail); | 18 | ceph_pagelist_unmap_tail(pl); |
| 19 | |||
| 12 | while (!list_empty(&pl->head)) { | 20 | while (!list_empty(&pl->head)) { |
| 13 | struct page *page = list_first_entry(&pl->head, struct page, | 21 | struct page *page = list_first_entry(&pl->head, struct page, |
| 14 | lru); | 22 | lru); |
| @@ -26,7 +34,7 @@ static int ceph_pagelist_addpage(struct ceph_pagelist *pl) | |||
| 26 | pl->room += PAGE_SIZE; | 34 | pl->room += PAGE_SIZE; |
| 27 | list_add_tail(&page->lru, &pl->head); | 35 | list_add_tail(&page->lru, &pl->head); |
| 28 | if (pl->mapped_tail) | 36 | if (pl->mapped_tail) |
| 29 | kunmap(pl->mapped_tail); | 37 | ceph_pagelist_unmap_tail(pl); |
| 30 | pl->mapped_tail = kmap(page); | 38 | pl->mapped_tail = kmap(page); |
| 31 | return 0; | 39 | return 0; |
| 32 | } | 40 | } |
