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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-13 21:55:58 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-13 21:55:58 +0400
commit9bf12df31f282e845b3dfaac1e5d5376a041da22 (patch)
tree10d7a21d34c7f2c47eff3e807f5efef46228d507 /include/linux/migrate.h
parent399a946edbbe90bd03aec2e93ce58c9b3f18e70b (diff)
parentd9b2c8714aef102dea95544a8cd9372b21af463f (diff)
downloadlinux-9bf12df31f282e845b3dfaac1e5d5376a041da22.tar.xz
Merge git://git.kvack.org/~bcrl/aio-next
Pull aio changes from Ben LaHaise: "First off, sorry for this pull request being late in the merge window. Al had raised a couple of concerns about 2 items in the series below. I addressed the first issue (the race introduced by Gu's use of mm_populate()), but he has not provided any further details on how he wants to rework the anon_inode.c changes (which were sent out months ago but have yet to be commented on). The bulk of the changes have been sitting in the -next tree for a few months, with all the issues raised being addressed" * git://git.kvack.org/~bcrl/aio-next: (22 commits) aio: rcu_read_lock protection for new rcu_dereference calls aio: fix race in ring buffer page lookup introduced by page migration support aio: fix rcu sparse warnings introduced by ioctx table lookup patch aio: remove unnecessary debugging from aio_free_ring() aio: table lookup: verify ctx pointer staging/lustre: kiocb->ki_left is removed aio: fix error handling and rcu usage in "convert the ioctx list to table lookup v3" aio: be defensive to ensure request batching is non-zero instead of BUG_ON() aio: convert the ioctx list to table lookup v3 aio: double aio_max_nr in calculations aio: Kill ki_dtor aio: Kill ki_users aio: Kill unneeded kiocb members aio: Kill aio_rw_vect_retry() aio: Don't use ctx->tail unnecessarily aio: io_cancel() no longer returns the io_event aio: percpu ioctx refcount aio: percpu reqs_available aio: reqs_active -> reqs_available aio: fix build when migration is disabled ...
Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r--include/linux/migrate.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 6fe521420631..8d3c57fdf221 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -53,6 +53,9 @@ extern int migrate_vmas(struct mm_struct *mm,
extern void migrate_page_copy(struct page *newpage, struct page *page);
extern int migrate_huge_page_move_mapping(struct address_space *mapping,
struct page *newpage, struct page *page);
+extern int migrate_page_move_mapping(struct address_space *mapping,
+ struct page *newpage, struct page *page,
+ struct buffer_head *head, enum migrate_mode mode);
#else
static inline void putback_lru_pages(struct list_head *l) {}