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| author | Joanne Koong <joannelkoong@gmail.com> | 2024-08-26 14:19:04 -0700 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2024-08-28 18:10:29 +0200 |
| commit | f7790d67785302b3116bbbfda62a5a44524601a3 (patch) | |
| tree | 9ddfb4a0c61e761e09ee790b5c0a30e1fe7bf811 /fs/fuse | |
| parent | 76a51ac00ca2a72fe3e168b7fb0e70f75ba6f512 (diff) | |
| download | lwn-f7790d67785302b3116bbbfda62a5a44524601a3.tar.gz lwn-f7790d67785302b3116bbbfda62a5a44524601a3.zip | |
fuse: update stats for pages in dropped aux writeback list
In the case where the aux writeback list is dropped (e.g. the pages
have been truncated or the connection is broken), the stats for
its pages and backing device info need to be updated as well.
Fixes: e2653bd53a98 ("fuse: fix leaked aux requests")
Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Cc: <stable@vger.kernel.org> # v5.1
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/file.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index f39456c65ed7..ed76121f73f2 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1832,10 +1832,16 @@ __acquires(fi->lock) fuse_writepage_finish(fm, wpa); spin_unlock(&fi->lock); - /* After fuse_writepage_finish() aux request list is private */ + /* After rb_erase() aux request list is private */ for (aux = wpa->next; aux; aux = next) { + struct backing_dev_info *bdi = inode_to_bdi(aux->inode); + next = aux->next; aux->next = NULL; + + dec_wb_stat(&bdi->wb, WB_WRITEBACK); + dec_node_page_state(aux->ia.ap.pages[0], NR_WRITEBACK_TEMP); + wb_writeout_inc(&bdi->wb); fuse_writepage_free(aux); } |