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Commit 1f23bc78 authored by Abhi Das's avatar Abhi Das Committed by Bob Peterson
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gfs2: Trim the ordered write list in gfs2_ordered_write() 



We iterate through the entire ordered writes list in
gfs2_ordered_write() to write out inodes. It's a good
place to try and shrink the list by throwing out inodes
that don't have any pages.

Signed-off-by: default avatarAbhi Das <adas@redhat.com>
Acked-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
parent 588bff95

fs/gfs2/log.c

+5 −2
Original line number Diff line number Diff line
@@ -538,9 +538,12 @@ static void gfs2_ordered_write(struct gfs2_sbd *sdp) 
	list_sort(NULL, &sdp->sd_log_le_ordered, &ip_cmp);

	while (!list_empty(&sdp->sd_log_le_ordered)) {

		ip = list_entry(sdp->sd_log_le_ordered.next, struct gfs2_inode, i_ordered);

		list_move(&ip->i_ordered, &written);

		if (ip->i_inode.i_mapping->nrpages == 0)

		if (ip->i_inode.i_mapping->nrpages == 0) {

			test_and_clear_bit(GIF_ORDERED, &ip->i_flags);

			list_del(&ip->i_ordered);

			continue;

		}

		list_move(&ip->i_ordered, &written);

		spin_unlock(&sdp->sd_ordered_lock);

		filemap_fdatawrite(ip->i_inode.i_mapping);

		spin_lock(&sdp->sd_ordered_lock);