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author | Pavel Shilovsky <pshilovsky@samba.org> | 2013-07-11 10:58:30 +0400 |
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committer | Steve French <smfrench@gmail.com> | 2013-07-11 18:05:08 -0500 |
commit | b33fcf1c9d359374ef6e8e7ec1e0b6f7a8717e16 (patch) | |
tree | 223595753ad1bf21d34c20528096f6f75a29c7ed | |
parent | 1c46943f84f7532a9503810d44b0772581c0325c (diff) | |
download | linux-stable-b33fcf1c9d359374ef6e8e7ec1e0b6f7a8717e16.tar.gz linux-stable-b33fcf1c9d359374ef6e8e7ec1e0b6f7a8717e16.tar.bz2 linux-stable-b33fcf1c9d359374ef6e8e7ec1e0b6f7a8717e16.zip |
CIFS: Reopen the file if reconnect durable handle failed
This is a follow-on patch for 8/8 patch from the durable handles
series. It fixes the problem when durable file handle timeout
expired on the server and reopen returns -ENOENT for such files.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
-rw-r--r-- | fs/cifs/file.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index ba7eed2ee662..1dc9dea2ae70 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -681,6 +681,13 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) * not dirty locally we could do this. */ rc = server->ops->open(xid, &oparms, &oplock, NULL); + if (rc == -ENOENT && oparms.reconnect == false) { + /* durable handle timeout is expired - open the file again */ + rc = server->ops->open(xid, &oparms, &oplock, NULL); + /* indicate that we need to relock the file */ + oparms.reconnect = true; + } + if (rc) { mutex_unlock(&cfile->fh_mutex); cifs_dbg(FYI, "cifs_reopen returned 0x%x\n", rc); @@ -1510,7 +1517,6 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type, if (!rc) goto out; - /* * Windows 7 server can delay breaking lease from read to None * if we set a byte-range lock on a file - break it explicitly |