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authorJeff Layton <jlayton@redhat.com>2008-09-24 11:32:59 -0400
committerSteve French <sfrench@us.ibm.com>2008-09-24 18:59:20 +0000
commit7ce86d5a93ffe2542e6558a97ab055377df8cde3 (patch)
tree14b2e450aef89019dbbdcedaaed2383977aeb9c6 /fs/cifs/inode.c
parent74553b1b6a8556e08757b4bce537fd8332b93898 (diff)
cifs: work around samba returning -ENOENT on SetFileDisposition call
cifs: work around samba returning -ENOENT on SetFileDisposition call Samba seems to return STATUS_OBJECT_NAME_NOT_FOUND when we try to set the delete on close bit after doing a rename by filehandle. This looks like a samba bug to me, but a lot of servers will do this. For now, pretend an -ENOENT return is a success. Samba does however seem to respect the CREATE_DELETE_ON_CLOSE bit when opening files that already exist. Windows will ignore it, but so adding it to the open flags should be harmless. We're also currently ignoring the return code on the rename by filehandle, so no need to set rc based on it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/inode.c')
-rw-r--r--fs/cifs/inode.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 079f39a8dd3b..27e97d43c759 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -778,7 +778,8 @@ cifs_rename_pending_delete(char *full_path, struct inode *inode, int xid)
FILE_BASIC_INFO *info_buf;
rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
- DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
+ DELETE|FILE_WRITE_ATTRIBUTES,
+ CREATE_NOT_DIR|CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0)
@@ -803,13 +804,20 @@ cifs_rename_pending_delete(char *full_path, struct inode *inode, int xid)
goto out_close;
/* silly-rename the file */
- rc = CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
+ CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
/* set DELETE_ON_CLOSE */
rc = CIFSSMBSetFileDisposition(xid, tcon, true, netfid, current->tgid);
+ /*
+ * some samba versions return -ENOENT when we try to set the file
+ * disposition here. Likely a samba bug, but work around it for now
+ */
+ if (rc == -ENOENT)
+ rc = 0;
+
out_close:
CIFSSMBClose(xid, tcon, netfid);
out: