diff options
author | Paul Mundt <lethal@linux-sh.org> | 2011-05-31 13:10:26 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-31 13:10:26 +0900 |
commit | 8181d3ef26ed1d9eb21e2cdcac374e1f457fdc06 (patch) | |
tree | 1a081f09ebcf2a84de899ddeadd0e4c5e48b50d2 /include/linux/pagemap.h | |
parent | 54525552c6ccfd867e819845da14be994e303218 (diff) | |
parent | 55922c9d1b84b89cb946c777fddccb3247e7df2c (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-fixes-for-linus
Diffstat (limited to 'include/linux/pagemap.h')
-rw-r--r-- | include/linux/pagemap.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index c11950652646..716875e53520 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -219,6 +219,12 @@ static inline struct page *page_cache_alloc_cold(struct address_space *x) return __page_cache_alloc(mapping_gfp_mask(x)|__GFP_COLD); } +static inline struct page *page_cache_alloc_readahead(struct address_space *x) +{ + return __page_cache_alloc(mapping_gfp_mask(x) | + __GFP_COLD | __GFP_NORETRY | __GFP_NOWARN); +} + typedef int filler_t(void *, struct page *); extern struct page * find_get_page(struct address_space *mapping, @@ -357,6 +363,15 @@ static inline int lock_page_or_retry(struct page *page, struct mm_struct *mm, */ extern void wait_on_page_bit(struct page *page, int bit_nr); +extern int wait_on_page_bit_killable(struct page *page, int bit_nr); + +static inline int wait_on_page_locked_killable(struct page *page) +{ + if (PageLocked(page)) + return wait_on_page_bit_killable(page, PG_locked); + return 0; +} + /* * Wait for a page to be unlocked. * |