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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-04-04 09:36:57 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-04-04 14:46:23 +0200 |
| commit | de8a76da2f374792594ce03a203b3f30e4889f6f (patch) | |
| tree | 12b5e1e59358005c3c522955c08aee4795e4829c /freebsd/sys/sys/bufobj.h | |
| parent | Enable bridging by default (diff) | |
| download | rtems-libbsd-de8a76da2f374792594ce03a203b3f30e4889f6f.tar.bz2 | |
Update to FreeBSD head 2017-04-04
Git mirror commit 642b174daddbd0efd9bb5f242c43f4ab4db6869f.
Diffstat (limited to 'freebsd/sys/sys/bufobj.h')
| -rw-r--r-- | freebsd/sys/sys/bufobj.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/freebsd/sys/sys/bufobj.h b/freebsd/sys/sys/bufobj.h index 657702c1..2dc440a6 100644 --- a/freebsd/sys/sys/bufobj.h +++ b/freebsd/sys/sys/bufobj.h @@ -88,6 +88,12 @@ struct buf_ops { #define BO_WRITE(bo, bp) ((bo)->bo_ops->bop_write((bp))) #define BO_BDFLUSH(bo, bp) ((bo)->bo_ops->bop_bdflush((bo), (bp))) +/* + * Locking notes: + * 'S' is sync_mtx + * 'v' is the vnode lock which embeds the bufobj. + * '-' Constant and unchanging after initialization. + */ struct bufobj { struct rwlock bo_lock; /* Lock which protects "i" things */ struct buf_ops *bo_ops; /* - Buffer operations */ |