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| author | Matthew Dillon <dillon@FreeBSD.org> | 1999-09-20 19:10:28 +0000 |
|---|---|---|
| committer | Matthew Dillon <dillon@FreeBSD.org> | 1999-09-20 19:10:28 +0000 |
| commit | 8fdd2461b37effcc320321ed1d89c5406cf8c7d0 (patch) | |
| tree | 55731ecc6c5e180c9fc81f68bf5ab525b857b94e /sys/nfs/nfs_bio.c | |
| parent | 4cc712004cbc472b5ff93761b1ecbb724b6f44a1 (diff) | |
| download | src-8fdd2461b37effcc320321ed1d89c5406cf8c7d0.tar.gz src-8fdd2461b37effcc320321ed1d89c5406cf8c7d0.zip | |
Add comment to clarify a commit rpc optimization already being performed.
Notes
Notes:
svn path=/head/; revision=51475
Diffstat (limited to 'sys/nfs/nfs_bio.c')
| -rw-r--r-- | sys/nfs/nfs_bio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/nfs/nfs_bio.c b/sys/nfs/nfs_bio.c index 9adaa140a431..9aa6af50dbe2 100644 --- a/sys/nfs/nfs_bio.c +++ b/sys/nfs/nfs_bio.c @@ -1393,6 +1393,14 @@ nfs_doio(bp, cr, p) bp->b_flags |= B_WRITEINPROG; error = nfs_writerpc(vp, uiop, cr, &iomode, &must_commit); + + /* + * When setting B_NEEDCOMMIT also set B_CLUSTEROK to try + * to cluster the buffers needing commit. This will allow + * the system to submit a single commit rpc for the whole + * cluster. + */ + if (!error && iomode == NFSV3WRITE_UNSTABLE) { bp->b_flags |= B_NEEDCOMMIT; if (bp->b_dirtyoff == 0 |