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authorSteve French <stfrench@microsoft.com>2019-06-17 14:49:07 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-25 11:36:54 +0800
commitf49898960a6c1090d5a14ba67026666a8a5693c1 (patch)
tree22d9fd8a058a64da5ee392d345af730014275ea1
parent1fd49b11c8f7c0bf1f018144266cd6c1de1e6056 (diff)
SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write
commit 8d526d62db907e786fd88948c75d1833d82bd80e upstream. Some servers such as Windows 10 will return STATUS_INSUFFICIENT_RESOURCES as the number of simultaneous SMB3 requests grows (even though the client has sufficient credits). Return EAGAIN on STATUS_INSUFFICIENT_RESOURCES so that we can retry writes which fail with this status code. This (for example) fixes large file copies to Windows 10 on fast networks. Signed-off-by: Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/cifs/smb2maperror.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index 92c9cdf4704d..49911bdc17ec 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -456,7 +456,7 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
{STATUS_FILE_INVALID, -EIO, "STATUS_FILE_INVALID"},
{STATUS_ALLOTTED_SPACE_EXCEEDED, -EIO,
"STATUS_ALLOTTED_SPACE_EXCEEDED"},
- {STATUS_INSUFFICIENT_RESOURCES, -EREMOTEIO,
+ {STATUS_INSUFFICIENT_RESOURCES, -EAGAIN,
"STATUS_INSUFFICIENT_RESOURCES"},
{STATUS_DFS_EXIT_PATH_FOUND, -EIO, "STATUS_DFS_EXIT_PATH_FOUND"},
{STATUS_DEVICE_DATA_ERROR, -EIO, "STATUS_DEVICE_DATA_ERROR"},