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only call bwillwrite() to stall on IO when dealing with VNODEs otherwise

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we will stall on non-disk IO for things like fifos and sockets
This commit is contained in:
Alfred Perlstein 2000-11-30 20:23:14 +00:00
parent e60877b3ae
commit c6ab5768aa
1 changed files with 2 additions and 1 deletions
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3
sys/kern/sys_generic.c
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@ -403,7 +403,8 @@ dofilewrite(p, fp, fd, buf, nbyte, offset, flags)
}
#endif
cnt = nbyte;
bwillwrite();
if (fp->f_type == DTYPE_VNODE)
bwillwrite();
if ((error = fo_write(fp, &auio, fp->f_cred, flags, p))) {
if (auio.uio_resid != cnt && (error == ERESTART ||
error == EINTR || error == EWOULDBLOCK))