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authorMark Brown <broonie@kernel.org>2023-07-17 08:12:31 +0300
committerMark Brown <broonie@kernel.org>2023-07-17 08:12:31 +0300
commit0791faebfe750292a8a842b64795a390ca4a3b51 (patch)
tree0e6095a5a0130398b0693bddfdc421c41eebda7c /fs/fs-writeback.c
parente8bf1741c14eb8e4a4e1364d45aeeab66660ab9b (diff)
parentfdf0eaf11452d72945af31804e2a1048ee1b574c (diff)
downloadlinux-0791faebfe750292a8a842b64795a390ca4a3b51.tar.xz
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using the branch.
Diffstat (limited to 'fs/fs-writeback.c')
-rw-r--r--fs/fs-writeback.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index ae4e51e91ee3..aca4b4811394 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -2024,7 +2024,6 @@ static long wb_writeback(struct bdi_writeback *wb,
struct blk_plug plug;
blk_start_plug(&plug);
- spin_lock(&wb->list_lock);
for (;;) {
/*
* Stop writeback when nr_pages has been consumed
@@ -2049,6 +2048,9 @@ static long wb_writeback(struct bdi_writeback *wb,
if (work->for_background && !wb_over_bg_thresh(wb))
break;
+
+ spin_lock(&wb->list_lock);
+
/*
* Kupdate and background works are special and we want to
* include all inodes that need writing. Livelock avoidance is
@@ -2078,13 +2080,19 @@ static long wb_writeback(struct bdi_writeback *wb,
* mean the overall work is done. So we keep looping as long
* as made some progress on cleaning pages or inodes.
*/
- if (progress)
+ if (progress) {
+ spin_unlock(&wb->list_lock);
continue;
+ }
+
/*
* No more inodes for IO, bail
*/
- if (list_empty(&wb->b_more_io))
+ if (list_empty(&wb->b_more_io)) {
+ spin_unlock(&wb->list_lock);
break;
+ }
+
/*
* Nothing written. Wait for some inode to
* become available for writeback. Otherwise
@@ -2096,9 +2104,7 @@ static long wb_writeback(struct bdi_writeback *wb,
spin_unlock(&wb->list_lock);
/* This function drops i_lock... */
inode_sleep_on_writeback(inode);
- spin_lock(&wb->list_lock);
}
- spin_unlock(&wb->list_lock);
blk_finish_plug(&plug);
return nr_pages - work->nr_pages;