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author | mav <mav@FreeBSD.org> | 2014-06-22 21:14:34 +0000 |
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committer | mav <mav@FreeBSD.org> | 2014-06-22 21:14:34 +0000 |
commit | febec37d72817eae6f4c86618558d6d9d64c79d8 (patch) | |
tree | eb19d3f213cd3e42fcd99d19171df04a73b10de1 /sys/kern/vfs_subr.c | |
parent | b27356ce84a7bb2a16ba3d07fc06181afd13ad73 (diff) | |
download | FreeBSD-src-febec37d72817eae6f4c86618558d6d9d64c79d8.zip FreeBSD-src-febec37d72817eae6f4c86618558d6d9d64c79d8.tar.gz |
MFC r267362:
Remove unneeded mountlist_mtx acquisition from sync_fsync().
All struct mount fields accessed by sync_fsync() are protected by MNT_MTX.
Diffstat (limited to 'sys/kern/vfs_subr.c')
-rw-r--r-- | sys/kern/vfs_subr.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 63f8768..8c3af46 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -3654,11 +3654,8 @@ sync_fsync(struct vop_fsync_args *ap) * Walk the list of vnodes pushing all that are dirty and * not already on the sync list. */ - mtx_lock(&mountlist_mtx); - if (vfs_busy(mp, MBF_NOWAIT | MBF_MNTLSTLOCK) != 0) { - mtx_unlock(&mountlist_mtx); + if (vfs_busy(mp, MBF_NOWAIT) != 0) return (0); - } if (vn_start_write(NULL, &mp, V_NOWAIT) != 0) { vfs_unbusy(mp); return (0); |