Messages in this thread Patch in this message | | | From | David Howells <> | Subject | [PATCH 23/28] AFS: Add TestSetPageError() [try #2] | Date | Wed, 05 Dec 2007 19:40:15 +0000 |
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Add a TestSetPageError() macro to the suite of page flag manipulators. This can be used by AFS to prevent over-excision of rejected writes from the page cache.
Signed-off-by: David Howells <dhowells@redhat.com> ---
include/linux/page-flags.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index fcc9e23..0350c37 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -130,6 +130,7 @@ #define PageError(page) test_bit(PG_error, &(page)->flags) #define SetPageError(page) set_bit(PG_error, &(page)->flags) #define ClearPageError(page) clear_bit(PG_error, &(page)->flags) +#define TestSetPageError(page) test_and_set_bit(PG_error, &(page)->flags) #define PageReferenced(page) test_bit(PG_referenced, &(page)->flags) #define SetPageReferenced(page) set_bit(PG_referenced, &(page)->flags)
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