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| author | ian <ian@FreeBSD.org> | 2013-02-13 15:09:16 +0000 |
|---|---|---|
| committer | ian <ian@FreeBSD.org> | 2013-02-13 15:09:16 +0000 |
| commit | cfdf5de93930131e16cdced2079ea1053227da4e (patch) | |
| tree | bf0113357e441ed9f83ec9dd0e2f3647620223c6 /sys/kern/kern_descrip.c | |
| parent | a40dc60f62a62caf12c402fff2a0756a7550a72e (diff) | |
| download | FreeBSD-src-cfdf5de93930131e16cdced2079ea1053227da4e.zip FreeBSD-src-cfdf5de93930131e16cdced2079ea1053227da4e.tar.gz | |
Make the F_READAHEAD option to fcntl(2) work as documented: a value of zero
now disables read-ahead. It used to effectively restore the system default
readahead hueristic if it had been changed; a negative value now restores
the default.
Reviewed by: kib
Diffstat (limited to 'sys/kern/kern_descrip.c')
| -rw-r--r-- | sys/kern/kern_descrip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 87d75ea..fc74bdb 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -776,7 +776,7 @@ kern_fcntl(struct thread *td, int fd, int cmd, intptr_t arg) } fhold(fp); FILEDESC_SUNLOCK(fdp); - if (arg != 0) { + if (arg >= 0) { vp = fp->f_vnode; error = vn_lock(vp, LK_SHARED); if (error != 0) { |
