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Diffstat (limited to 'fs/cifs/readdir.c')
-rw-r--r--fs/cifs/readdir.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index bfee176b901d..1929e80c09ee 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1
/*
- * fs/cifs/readdir.c
*
* Directory search handling
*
@@ -369,7 +368,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb,
*/
static int
-initiate_cifs_search(const unsigned int xid, struct file *file,
+_initiate_cifs_search(const unsigned int xid, struct file *file,
const char *full_path)
{
__u16 search_flags;
@@ -451,6 +450,27 @@ error_exit:
return rc;
}
+static int
+initiate_cifs_search(const unsigned int xid, struct file *file,
+ const char *full_path)
+{
+ int rc, retry_count = 0;
+
+ do {
+ rc = _initiate_cifs_search(xid, file, full_path);
+ /*
+ * If we don't have enough credits to start reading the
+ * directory just try again after short wait.
+ */
+ if (rc != -EDEADLK)
+ break;
+
+ usleep_range(512, 2048);
+ } while (retry_count++ < 5);
+
+ return rc;
+}
+
/* return length of unicode string in bytes */
static int cifs_unicode_bytelen(const char *str)
{