nfs: clear_request_commit while holding i_lock
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 524e66f..1359c4a 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -1009,6 +1009,7 @@
/* The generic layer is about to remove the req from the commit list.
* If this will make the bucket empty, it will need to put the lseg reference.
+ * Note this is must be called holding the inode (/cinfo) lock
*/
static void
filelayout_clear_request_commit(struct nfs_page *req,
@@ -1016,7 +1017,6 @@
{
struct pnfs_layout_segment *freeme = NULL;
- spin_lock(cinfo->lock);
if (!test_and_clear_bit(PG_COMMIT_TO_DS, &req->wb_flags))
goto out;
cinfo->ds->nwritten--;
@@ -1031,8 +1031,7 @@
}
out:
nfs_request_remove_commit_list(req, cinfo);
- spin_unlock(cinfo->lock);
- pnfs_put_lseg(freeme);
+ pnfs_put_lseg_async(freeme);
}
static void