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| author | kib <kib@FreeBSD.org> | 2008-10-20 10:07:28 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2008-10-20 10:07:28 +0000 |
| commit | 015479d466a4e5609bed16fe5bc0d7c02cd1a239 (patch) | |
| tree | 2e8e4a6298da6d6b4717bf7466a4b356f9ff64fa /sys/ufs/ffs | |
| parent | 604182d32eeb85fd6e8cc77ef635232c80913a42 (diff) | |
| download | FreeBSD-src-015479d466a4e5609bed16fe5bc0d7c02cd1a239.zip FreeBSD-src-015479d466a4e5609bed16fe5bc0d7c02cd1a239.tar.gz | |
In vfs_busy(), lockmgr() cannot legitimately sleep, because code checked
MNTK_UNMOUNT before, and mnt_mtx is used as interlock. vfs_busy() always
tries to obtain a shared lock on mnt_lock, the other user is unmount who
tries to drain it, setting MNTK_UNMOUNT before.
Reviewed by: tegge, attilio
Tested by: pho
MFC after: 2 weeks
Diffstat (limited to 'sys/ufs/ffs')
0 files changed, 0 insertions, 0 deletions
