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-rw-r--r--mm/filemap.c2
-rw-r--r--mm/page-writeback.c6
2 files changed, 5 insertions, 3 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index f9d88183f697..9c5e6235cc74 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -210,7 +210,7 @@ int __filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
int ret;
struct writeback_control wbc = {
.sync_mode = sync_mode,
- .nr_to_write = mapping->nrpages * 2,
+ .nr_to_write = LONG_MAX,
.range_start = start,
.range_end = end,
};
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 2e847cdcad0e..5edca676e2c3 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -963,8 +963,10 @@ retry:
}
}
- if (--nr_to_write <= 0)
- done = 1;
+ if (wbc->sync_mode == WB_SYNC_NONE) {
+ if (--wbc->nr_to_write <= 0)
+ done = 1;
+ }
if (wbc->nonblocking && bdi_write_congested(bdi)) {
wbc->encountered_congestion = 1;
done = 1;