diff options
author | Mark Brown <broonie@kernel.org> | 2018-06-01 11:40:46 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2018-06-01 11:40:46 +0100 |
commit | 1e82572e5f806782cc1bf06e6d22905c28b0a9f5 (patch) | |
tree | c428a640fca2ee5c6bfe259482b941f5e0ece927 /fs/fscache/page.c | |
parent | 29e8549d35499289ce6211a553f956a2ab9a3905 (diff) | |
parent | 86a04ba0955e3c806ed301cf178f1e130f1cb785 (diff) |
Merge branch 'linux-linaro-lsk-v4.9' into linux-linaro-lsk-v4.9-rtlsk-v4.9-18.05-rt
Diffstat (limited to 'fs/fscache/page.c')
-rw-r--r-- | fs/fscache/page.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/fscache/page.c b/fs/fscache/page.c index c8c4f79c7ce1..8a7923a4f93c 100644 --- a/fs/fscache/page.c +++ b/fs/fscache/page.c @@ -776,6 +776,7 @@ static void fscache_write_op(struct fscache_operation *_op) _enter("{OP%x,%d}", op->op.debug_id, atomic_read(&op->op.usage)); +again: spin_lock(&object->lock); cookie = object->cookie; @@ -816,10 +817,6 @@ static void fscache_write_op(struct fscache_operation *_op) goto superseded; page = results[0]; _debug("gang %d [%lx]", n, page->index); - if (page->index >= op->store_limit) { - fscache_stat(&fscache_n_store_pages_over_limit); - goto superseded; - } radix_tree_tag_set(&cookie->stores, page->index, FSCACHE_COOKIE_STORING_TAG); @@ -829,6 +826,9 @@ static void fscache_write_op(struct fscache_operation *_op) spin_unlock(&cookie->stores_lock); spin_unlock(&object->lock); + if (page->index >= op->store_limit) + goto discard_page; + fscache_stat(&fscache_n_store_pages); fscache_stat(&fscache_n_cop_write_page); ret = object->cache->ops->write_page(op, page); @@ -844,6 +844,11 @@ static void fscache_write_op(struct fscache_operation *_op) _leave(""); return; +discard_page: + fscache_stat(&fscache_n_store_pages_over_limit); + fscache_end_page_write(object, page); + goto again; + superseded: /* this writer is going away and there aren't any more things to * write */ |