kib 2007-01-04 17:39:17 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/dev/md md.c
Log:
MFC of rev. 1.164:
- Conditionally acquire Giant in mdstart_vnode(), mdcreate_vnode(), and
mddestroy() only if the file is from a non-MPSAFE fs.
There, to accommodate for the vn_open() difference with HEAD, use
VFS_LOCK_GIANT after vn_open (since vn_open(..., -1) assumes caller is not
MP-safe).
- No longer unconditionally hold Giant in the md kthread for vnode-backed
kthreads.
- Improve the handling of the thread exit race when destroying an md
device.
No objections from: jhb
Revision Changes Path
1.153.2.7 +22 -28 src/sys/dev/md/md.c
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