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author | Alan Cox <alc@FreeBSD.org> | 2002-05-05 22:42:40 +0000 |
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committer | Alan Cox <alc@FreeBSD.org> | 2002-05-05 22:42:40 +0000 |
commit | c50fe92b8dc1b0867eaaeee365f6b5d0f4ff5217 (patch) | |
tree | 4e87dd351b17930f56533e0894592672655adab2 /sys/kern/kern_subr.c | |
parent | cae2a33cf0a5e0e9a2ff9a27a4ac8c32356c92c9 (diff) | |
download | src-c50fe92b8dc1b0867eaaeee365f6b5d0f4ff5217.tar.gz src-c50fe92b8dc1b0867eaaeee365f6b5d0f4ff5217.zip |
o Condition the compilation of uiomoveco() and vm_uiomove()
on ENABLE_VFS_IOOPT.
o Add a comment to the effect that this code is experimental
support for zero-copy I/O.
Notes
Notes:
svn path=/head/; revision=96080
Diffstat (limited to 'sys/kern/kern_subr.c')
-rw-r--r-- | sys/kern/kern_subr.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/kern/kern_subr.c b/sys/kern/kern_subr.c index 9f2ede2d4c95..73aa75bbef89 100644 --- a/sys/kern/kern_subr.c +++ b/sys/kern/kern_subr.c @@ -134,6 +134,10 @@ out: return (error); } +#ifdef ENABLE_VFS_IOOPT +/* + * Experimental support for zero-copy I/O + */ int uiomoveco(cp, n, uio, obj) caddr_t cp; @@ -207,8 +211,9 @@ uiomoveco(cp, n, uio, obj) return (0); } -#ifdef ENABLE_VFS_IOOPT - +/* + * Experimental support for zero-copy I/O + */ int uioread(n, uio, obj, nread) int n; @@ -274,7 +279,6 @@ uioread(n, uio, obj, nread) } return error; } - #endif /* |