Messages in this thread Patch in this message | | | Date | Wed, 9 Oct 2002 16:10:30 +0200 (CEST) | From | Marco Colombo <> | Subject | Re: [PATCH] O_STREAMING - flag for optimal streaming I/O |
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On 7 Oct 2002, Robert Love wrote:
> Attached patch implements an O_STREAMING file I/O flag which enables > manual drop-behind of pages.
[...] > diff -urN linux-2.4.20-pre9/include/asm-i386/fcntl.h linux/include/asm-i386/fcntl.h > --- linux-2.4.20-pre9/include/asm-i386/fcntl.h 2002-10-06 14:57:21.000000000 -0400 > +++ linux/include/asm-i386/fcntl.h 2002-10-07 18:45:51.000000000 -0400 > @@ -20,6 +20,7 @@ > #define O_LARGEFILE 0100000 > #define O_DIRECTORY 0200000 /* must be a directory */ > #define O_NOFOLLOW 0400000 /* don't follow links */ > +#define O_STREAMING 04000000 /* streaming access */ ^^^^^^^^^^^^^ > > #define F_DUPFD 0 /* dup */ > #define F_GETFD 1 /* get close_on_exec */ > diff -urN linux-2.4.20-pre9/include/asm-mips/fcntl.h linux/include/asm-mips/fcntl.h > --- linux-2.4.20-pre9/include/asm-mips/fcntl.h 2002-10-06 14:57:21.000000000 -0400 > +++ linux/include/asm-mips/fcntl.h 2002-10-07 18:45:51.000000000 -0400 > @@ -26,6 +26,7 @@ > #define O_DIRECT 0x8000 /* direct disk access hint */ > #define O_DIRECTORY 0x10000 /* must be a directory */ > #define O_NOFOLLOW 0x20000 /* don't follow links */ > +#define O_STREAMING 0x400000 /* streaming access */ ^^^^^^^^^^^^^ > > #define O_NDELAY O_NONBLOCK
04000000 != 0x400000
or am I missing something? (do different archs dream of different O_STREAMING values?)
.TM. -- ____/ ____/ / / / / Marco Colombo ___/ ___ / / Technical Manager / / / ESI s.r.l. _____/ _____/ _/ Colombo@ESI.it
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