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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-08-05 02:19:08 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-08-05 02:19:08 -0300
commit8dec7c70575785729a6a9e6719a955e9c545bcab (patch)
tree897b1b743b2ceb44ace956e8176b6a7e36751019 /fs/nfs/pnfs_nfs.c
parent4411a04f871d94ae997fb7262a428fe2ee988eb3 (diff)
Linux-libre 4.6.5-gnupck-4.6.5-gnu
Diffstat (limited to 'fs/nfs/pnfs_nfs.c')
-rw-r--r--fs/nfs/pnfs_nfs.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 776dccbc3..dcb70001a 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -247,7 +247,11 @@ void pnfs_fetch_commit_bucket_list(struct list_head *pages,
}
/* Helper function for pnfs_generic_commit_pagelist to catch an empty
- * page list. This can happen when two commits race. */
+ * page list. This can happen when two commits race.
+ *
+ * This must be called instead of nfs_init_commit - call one or the other, but
+ * not both!
+ */
static bool
pnfs_generic_commit_cancel_empty_pagelist(struct list_head *pages,
struct nfs_commit_data *data,
@@ -256,7 +260,11 @@ pnfs_generic_commit_cancel_empty_pagelist(struct list_head *pages,
if (list_empty(pages)) {
if (atomic_dec_and_test(&cinfo->mds->rpcs_out))
wake_up_atomic_t(&cinfo->mds->rpcs_out);
- nfs_commitdata_release(data);
+ /* don't call nfs_commitdata_release - it tries to put
+ * the open_context which is not acquired until nfs_init_commit
+ * which has not been called on @data */
+ WARN_ON_ONCE(data->context);
+ nfs_commit_free(data);
return true;
}