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Message-ID: <20070921144830.8323.66572.stgit@warthog.procyon.org.uk> Date: Fri, 21 Sep 2007 15:48:30 +0100 From: David Howells <dhowells@...hat.com> To: viro@....linux.org.uk, hch@...radead.org, Trond.Myklebust@...app.com, sds@...ho.nsa.gov, casey@...aufler-ca.com Cc: linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov, linux-security-module@...r.kernel.org, dhowells@...hat.com Subject: [PATCH 17/22] AFS: Add TestSetPageError() 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@...hat.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 eaf9854..b59506b 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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