bsd/nfs/nfs_bio.c

1299 	/* write verifier changed, clear commit/wverf flags */
2267  * write (or commit) the given NFS buffer
2344 	/* If NB_NEEDCOMMIT is set, a commit RPC may do the trick. */
2538 	 * a commit (or stable (re)write) is performed.  Buffers needing only
2539 	 * a commit are marked with the NB_DELWRI and NB_NEEDCOMMIT flags.
2567 		/* either there's an error or we don't need to commit */
2597  * We do use unstable writes and follow up with a commit.
2606 	int error = 0, commit, iomode, iomode2, len, pg, count, npages, off;
2628 	commit = NFS_WRITE_FILESYNC;
2648 			if (iomode2 < commit) /* Retain the lowest commitment level returned. */
2649 				commit = iomode2;
2650 			if ((commit != NFS_WRITE_FILESYNC) && (wverf != bp->nb_verf)) {
2665 	if (!error && (commit != NFS_WRITE_FILESYNC)) {
2909 	/* save lowest commit level returned */
3004  * Send commit(s) for the given node's "needcommit" buffers
3024 	 * and the commit rpc is done.
3078 			 * so we can deal with them all with one commit.
3110 			/* update commit range start, end */
3129 	 * our commit RPC(s).
3132 	 * abort the commit and force the entire buffer to be written again.
3133 	 * Instead of doing that, we just go ahead and commit the dirty range,
3152 	 * one call for all of them, otherwise commit each one
3157 		 * Note, it's possible the commit range could be >2^32-1.
3158 		 * If it is, we'll send one commit that covers the whole file.
3178 	 * blocks dirty, depending on whether the commit
3283 	 * and call nfs_flushcommits() to commit any uncommitted buffers.
3420 		 * write/commit (xid1) to be executed in parallel with a subsequent
3422 		 * from *before* the write/commit completed but the stale attributes