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virtiofsd: update FUSE_FORGET comment on "lo_inode.nlookup"

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Miklos confirms it's *only* the FUSE_FORGET request that the client can
use for decrementing "lo_inode.nlookup".

Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Fixes: 1222f01555
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20201208073936.8629-1-lersek@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Laszlo Ersek 2020-12-08 08:39:36 +01:00 committed by Dr. David Alan Gilbert
parent 31a4990f8d
commit d6211148f6
1 changed files with 1 additions and 1 deletions
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tools/virtiofsd/passthrough_ll.c
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@ -101,7 +101,7 @@ struct lo_inode {
* This counter keeps the inode alive during the FUSE session.
* Incremented when the FUSE inode number is sent in a reply
* (FUSE_LOOKUP, FUSE_READDIRPLUS, etc). Decremented when an inode is
* released by requests like FUSE_FORGET, FUSE_RMDIR, FUSE_RENAME, etc.
* released by a FUSE_FORGET request.
*
* Note that this value is untrusted because the client can manipulate
* it arbitrarily using FUSE_FORGET requests.