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authorMiklos Szeredi <mszeredi@redhat.com>2019-01-16 10:27:59 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-02-20 10:13:16 +0100
commitbade8e5f2686ed458c4b71061a00a33ae1e5154c (patch)
treed3d016b0c7a6f91c11d4a7db9718700f7748bc37 /fs
parenta7dfde0f5bc0998487d8f6e33e1d503934852020 (diff)
fuse: decrement NR_WRITEBACK_TEMP on the right page
commit a2ebba824106dabe79937a9f29a875f837e1b6d4 upstream. NR_WRITEBACK_TEMP is accounted on the temporary page in the request, not the page cache page. Fixes: 8b284dc47291 ("fuse: writepages: handle same page rewrites") Cc: <stable@vger.kernel.org> # v3.13 Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/fuse/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 7014318f6d18..d40c2451487c 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1784,7 +1784,7 @@ static bool fuse_writepage_in_flight(struct fuse_req *new_req,
spin_unlock(&fc->lock);
dec_wb_stat(&bdi->wb, WB_WRITEBACK);
- dec_zone_page_state(page, NR_WRITEBACK_TEMP);
+ dec_zone_page_state(new_req->pages[0], NR_WRITEBACK_TEMP);
wb_writeout_inc(&bdi->wb);
fuse_writepage_free(fc, new_req);
fuse_request_free(new_req);