cifs: track DeletePending flag in cifsInodeInfo

cifs: track DeletePending flag in cifsInodeInfo

The QPathInfo call returns a flag that indicates whether DELETE_ON_CLOSE
is set. Track it in the cifsInodeInfo.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifsfs.c

@@ -309,6 +309,7 @@ cifs_alloc_inode(struct super_block *sb)
 	file data or metadata */
 	cifs_inode->clientCanCacheRead = false;
 	cifs_inode->clientCanCacheAll = false;
+	cifs_inode->delete_pending = false;
 	cifs_inode->vfs_inode.i_blkbits = 14;  /* 2**14 = CIFS_MAX_MSGSIZE */
 
 	/* Can not set i_flags here - they get immediately overwritten

fs/cifs/cifsglob.h

@@ -353,6 +353,7 @@ struct cifsInodeInfo {
 	bool clientCanCacheRead:1;	/* read oplock */
 	bool clientCanCacheAll:1;	/* read and writebehind oplock */
 	bool oplockPending:1;
+	bool delete_pending:1;		/* DELETE_ON_CLOSE is set */
 	struct inode vfs_inode;
 };
 

fs/cifs/cifssmb.c

@@ -1309,6 +1309,7 @@ SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
 				cpu_to_le64(le32_to_cpu(pSMBr->EndOfFile));
 			pfile_info->EndOfFile = pfile_info->AllocationSize;
 			pfile_info->NumberOfLinks = cpu_to_le32(1);
+			pfile_info->DeletePending = 0;
 		}
 	}
 
@@ -1410,6 +1411,7 @@ CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
 		    pfile_info->AllocationSize = pSMBr->AllocationSize;
 		    pfile_info->EndOfFile = pSMBr->EndOfFile;
 		    pfile_info->NumberOfLinks = cpu_to_le32(1);
+		    pfile_info->DeletePending = 0;
 		}
 	}
 

fs/cifs/inode.c

@@ -506,6 +506,7 @@ int cifs_get_inode_info(struct inode **pinode,
 	inode = *pinode;
 	cifsInfo = CIFS_I(inode);
 	cifsInfo->cifsAttrs = attr;
+	cifsInfo->delete_pending = pfindData->DeletePending ? true : false;
 	cFYI(1, ("Old time %ld", cifsInfo->time));
 	cifsInfo->time = jiffies;
 	cFYI(1, ("New time %ld", cifsInfo->time));