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authorAbhi Das <adas@redhat.com>2017-12-22 07:55:31 -0600
committerBob Peterson <rpeterso@redhat.com>2017-12-22 07:55:31 -0600
commit1f23bc7869fffec40b8bd9333a74a18d1de54d98 (patch)
treedba105610679c53136d97e19600629b763206b16 /fs/gfs2
parent588bff95c94efc05f9e1a0b19015c9408ed7c0ef (diff)
downloadlinux-1f23bc7869fffec40b8bd9333a74a18d1de54d98.tar.bz2
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: Abhi Das <adas@redhat.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/log.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 27e97d3de1e0..b9889ae5fd7c 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -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);