jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
virtiofsd: Parse flag FUSE_WRITE_KILL_PRIV
Caller can set FUSE_WRITE_KILL_PRIV in write_flags. Parse it and pass it
to the filesystem.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
authored by
Vivek Goyal
and committed by
Dr. David Alan Gilbert
f779bc52
4f8bde99
+8
-2
+5
-1
tools/virtiofsd/fuse_common.h
+5
-1
tools/virtiofsd/fuse_common.h
···
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*/
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unsigned int cache_readdir:1;
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+
/* Indicates that suid/sgid bits should be removed upon write */
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+
unsigned int kill_priv:1;
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+
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+
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/** Padding. Reserved for future use*/
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-
unsigned int padding:25;
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unsigned int padding:24;
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unsigned int padding2:32;
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/*
+3
-1
tools/virtiofsd/fuse_lowlevel.c
+3
-1
tools/virtiofsd/fuse_lowlevel.c
···
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memset(&fi, 0, sizeof(fi));
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fi.fh = arg->fh;
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fi.writepage = (arg->write_flags & FUSE_WRITE_CACHE) != 0;
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+
fi.kill_priv = !!(arg->write_flags & FUSE_WRITE_KILL_PRIV);
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fi.lock_owner = arg->lock_owner;
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fi.flags = arg->flags;
···
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fi.lock_owner = arg->lock_owner;
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fi.flags = arg->flags;
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fi.fh = arg->fh;
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-
fi.writepage = arg->write_flags & FUSE_WRITE_CACHE;
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fi.writepage = !!(arg->write_flags & FUSE_WRITE_CACHE);
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fi.kill_priv = !!(arg->write_flags & FUSE_WRITE_KILL_PRIV);
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if (ibufv->count == 1) {
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assert(!(tmpbufv.buf[0].flags & FUSE_BUF_IS_FD));