1 files changed, 109 insertions, 106 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 8ea6ca50a665..48b29d24c9f4 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -43,6 +43,7 @@
 #include "cifs_fs_sb.h"
 #include "fscache.h"
 
+
 static inline int cifs_convert_flags(unsigned int flags)
 {
 	if ((flags & O_ACCMODE) == O_RDONLY)
@@ -72,10 +73,14 @@ static u32 cifs_posix_convert_flags(unsigned int flags)
 	else if ((flags & O_ACCMODE) == O_RDWR)
 		posix_flags = SMB_O_RDWR;
 
-	if (flags & O_CREAT)
+	if (flags & O_CREAT) {
 		posix_flags |= SMB_O_CREAT;
-	if (flags & O_EXCL)
-		posix_flags |= SMB_O_EXCL;
+		if (flags & O_EXCL)
+			posix_flags |= SMB_O_EXCL;
+	} else if (flags & O_EXCL)
+		cifs_dbg(FYI, "Application %s pid %d has incorrectly set O_EXCL flag but not O_CREAT on file open. Ignoring O_EXCL\n",
+			 current->comm, current->tgid);
+
 	if (flags & O_TRUNC)
 		posix_flags |= SMB_O_TRUNC;
 	/* be safe and imply O_SYNC for O_DSYNC */
@@ -117,7 +122,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
 	struct tcon_link *tlink;
 	struct cifs_tcon *tcon;
 
-	cFYI(1, "posix open %s", full_path);
+	cifs_dbg(FYI, "posix open %s\n", full_path);
 
 	presp_data = kzalloc(sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL);
 	if (presp_data == NULL)
@@ -294,13 +299,15 @@ cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
 	INIT_WORK(&cfile->oplock_break, cifs_oplock_break);
 	mutex_init(&cfile->fh_mutex);
 
+	cifs_sb_active(inode->i_sb);
+
 	/*
 	 * If the server returned a read oplock and we have mandatory brlocks,
 	 * set oplock level to None.
 	 */
 	if (oplock == server->vals->oplock_read &&
 						cifs_has_mand_locks(cinode)) {
-		cFYI(1, "Reset oplock val from read to None due to mand locks");
+		cifs_dbg(FYI, "Reset oplock val from read to None due to mand locks\n");
 		oplock = 0;
 	}
 
@@ -343,7 +350,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
 	struct cifs_tcon *tcon = tlink_tcon(cifs_file->tlink);
 	struct TCP_Server_Info *server = tcon->ses->server;
 	struct cifsInodeInfo *cifsi = CIFS_I(inode);
-	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+	struct super_block *sb = inode->i_sb;
+	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
 	struct cifsLockInfo *li, *tmp;
 	struct cifs_fid fid;
 	struct cifs_pending_open open;
@@ -365,8 +373,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
 	list_del(&cifs_file->tlist);
 
 	if (list_empty(&cifsi->openFileList)) {
-		cFYI(1, "closing last open instance for inode %p",
-			cifs_file->dentry->d_inode);
+		cifs_dbg(FYI, "closing last open instance for inode %p\n",
+			 cifs_file->dentry->d_inode);
 		/*
 		 * In strict cache mode we need invalidate mapping on the last
 		 * close  because it may cause a error when we open this file
@@ -408,6 +416,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
 
 	cifs_put_tlink(cifs_file->tlink);
 	dput(cifs_file->dentry);
+	cifs_sb_deactive(sb);
 	kfree(cifs_file);
 }
 
@@ -444,7 +453,7 @@ int cifs_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
-	cFYI(1, "inode = 0x%p file flags are 0x%x for %s",
+	cifs_dbg(FYI, "inode = 0x%p file flags are 0x%x for %s\n",
 		 inode, file->f_flags, full_path);
 
 	if (server->oplocks)
@@ -460,16 +469,13 @@ int cifs_open(struct inode *inode, struct file *file)
 				cifs_sb->mnt_file_mode /* ignored */,
 				file->f_flags, &oplock, &fid.netfid, xid);
 		if (rc == 0) {
-			cFYI(1, "posix open succeeded");
+			cifs_dbg(FYI, "posix open succeeded\n");
 			posix_open_ok = true;
 		} else if ((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
 			if (tcon->ses->serverNOS)
-				cERROR(1, "server %s of type %s returned"
-					   " unexpected error on SMB posix open"
-					   ", disabling posix open support."
-					   " Check if server update available.",
-					   tcon->ses->serverName,
-					   tcon->ses->serverNOS);
+				cifs_dbg(VFS, "server %s of type %s returned unexpected error on SMB posix open, disabling posix open support. Check if server update available.\n",
+					 tcon->ses->serverName,
+					 tcon->ses->serverNOS);
 			tcon->broken_posix_open = true;
 		} else if ((rc != -EIO) && (rc != -EREMOTE) &&
 			 (rc != -EOPNOTSUPP)) /* path not found or net err */
@@ -515,8 +521,8 @@ int cifs_open(struct inode *inode, struct file *file)
 		 */
 		struct cifs_unix_set_info_args args = {
 			.mode	= inode->i_mode,
-			.uid	= NO_CHANGE_64,
-			.gid	= NO_CHANGE_64,
+			.uid	= INVALID_UID, /* no change */
+			.gid	= INVALID_GID, /* no change */
 			.ctime	= NO_CHANGE_64,
 			.atime	= NO_CHANGE_64,
 			.mtime	= NO_CHANGE_64,
@@ -611,8 +617,8 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
 		return rc;
 	}
 
-	cFYI(1, "inode = 0x%p file flags 0x%x for %s", inode, cfile->f_flags,
-	     full_path);
+	cifs_dbg(FYI, "inode = 0x%p file flags 0x%x for %s\n",
+		 inode, cfile->f_flags, full_path);
 
 	if (tcon->ses->server->oplocks)
 		oplock = REQ_OPLOCK;
@@ -633,7 +639,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
 				     cifs_sb->mnt_file_mode /* ignored */,
 				     oflags, &oplock, &fid.netfid, xid);
 		if (rc == 0) {
-			cFYI(1, "posix reopen succeeded");
+			cifs_dbg(FYI, "posix reopen succeeded\n");
 			goto reopen_success;
 		}
 		/*
@@ -662,8 +668,8 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
 			       NULL, cifs_sb);
 	if (rc) {
 		mutex_unlock(&cfile->fh_mutex);
-		cFYI(1, "cifs_reopen returned 0x%x", rc);
-		cFYI(1, "oplock: %d", oplock);
+		cifs_dbg(FYI, "cifs_reopen returned 0x%x\n", rc);
+		cifs_dbg(FYI, "oplock: %d\n", oplock);
 		goto reopen_error_exit;
 	}
 
@@ -719,7 +725,7 @@ int cifs_closedir(struct inode *inode, struct file *file)
 	struct TCP_Server_Info *server;
 	char *buf;
 
-	cFYI(1, "Closedir inode = 0x%p", inode);
+	cifs_dbg(FYI, "Closedir inode = 0x%p\n", inode);
 
 	if (cfile == NULL)
 		return rc;
@@ -728,7 +734,7 @@ int cifs_closedir(struct inode *inode, struct file *file)
 	tcon = tlink_tcon(cfile->tlink);
 	server = tcon->ses->server;
 
-	cFYI(1, "Freeing private data in close dir");
+	cifs_dbg(FYI, "Freeing private data in close dir\n");
 	spin_lock(&cifs_file_list_lock);
 	if (!cfile->srch_inf.endOfSearch && !cfile->invalidHandle) {
 		cfile->invalidHandle = true;
@@ -737,7 +743,7 @@ int cifs_closedir(struct inode *inode, struct file *file)
 			rc = server->ops->close_dir(xid, tcon, &cfile->fid);
 		else
 			rc = -ENOSYS;
-		cFYI(1, "Closing uncompleted readdir with rc %d", rc);
+		cifs_dbg(FYI, "Closing uncompleted readdir with rc %d\n", rc);
 		/* not much we can do if it fails anyway, ignore rc */
 		rc = 0;
 	} else
@@ -745,7 +751,7 @@ int cifs_closedir(struct inode *inode, struct file *file)
 
 	buf = cfile->srch_inf.ntwrk_buf_start;
 	if (buf) {
-		cFYI(1, "closedir free smb buf in srch struct");
+		cifs_dbg(FYI, "closedir free smb buf in srch struct\n");
 		cfile->srch_inf.ntwrk_buf_start = NULL;
 		if (cfile->srch_inf.smallBuf)
 			cifs_small_buf_release(buf);
@@ -947,7 +953,7 @@ static int
 cifs_posix_lock_test(struct file *file, struct file_lock *flock)
 {
 	int rc = 0;
-	struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
+	struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
 	unsigned char saved_type = flock->fl_type;
 
 	if ((flock->fl_flags & FL_POSIX) == 0)
@@ -974,7 +980,7 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
 static int
 cifs_posix_lock_set(struct file *file, struct file_lock *flock)
 {
-	struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
+	struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
 	int rc = 1;
 
 	if ((flock->fl_flags & FL_POSIX) == 0)
@@ -1130,7 +1136,7 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
 			 * The list ended. We don't have enough allocated
 			 * structures - something is really wrong.
 			 */
-			cERROR(1, "Can't push all brlocks!");
+			cifs_dbg(VFS, "Can't push all brlocks!\n");
 			break;
 		}
 		length = 1 + flock->fl_end - flock->fl_start;
@@ -1203,47 +1209,46 @@ cifs_read_flock(struct file_lock *flock, __u32 *type, int *lock, int *unlock,
 		bool *wait_flag, struct TCP_Server_Info *server)
 {
 	if (flock->fl_flags & FL_POSIX)
-		cFYI(1, "Posix");
+		cifs_dbg(FYI, "Posix\n");
 	if (flock->fl_flags & FL_FLOCK)
-		cFYI(1, "Flock");
+		cifs_dbg(FYI, "Flock\n");
 	if (flock->fl_flags & FL_SLEEP) {
-		cFYI(1, "Blocking lock");
+		cifs_dbg(FYI, "Blocking lock\n");
 		*wait_flag = true;
 	}
 	if (flock->fl_flags & FL_ACCESS)
-		cFYI(1, "Process suspended by mandatory locking - "
-			"not implemented yet");
+		cifs_dbg(FYI, "Process suspended by mandatory locking - not implemented yet\n");
 	if (flock->fl_flags & FL_LEASE)
-		cFYI(1, "Lease on file - not implemented yet");
+		cifs_dbg(FYI, "Lease on file - not implemented yet\n");
 	if (flock->fl_flags &
 	    (~(FL_POSIX | FL_FLOCK | FL_SLEEP |
 	       FL_ACCESS | FL_LEASE | FL_CLOSE)))
-		cFYI(1, "Unknown lock flags 0x%x", flock->fl_flags);
+		cifs_dbg(FYI, "Unknown lock flags 0x%x\n", flock->fl_flags);
 
 	*type = server->vals->large_lock_type;
 	if (flock->fl_type == F_WRLCK) {
-		cFYI(1, "F_WRLCK ");
+		cifs_dbg(FYI, "F_WRLCK\n");
 		*type |= server->vals->exclusive_lock_type;
 		*lock = 1;
 	} else if (flock->fl_type == F_UNLCK) {
-		cFYI(1, "F_UNLCK");
+		cifs_dbg(FYI, "F_UNLCK\n");
 		*type |= server->vals->unlock_lock_type;
 		*unlock = 1;
 		/* Check if unlock includes more than one lock range */
 	} else if (flock->fl_type == F_RDLCK) {
-		cFYI(1, "F_RDLCK");
+		cifs_dbg(FYI, "F_RDLCK\n");
 		*type |= server->vals->shared_lock_type;
 		*lock = 1;
 	} else if (flock->fl_type == F_EXLCK) {
-		cFYI(1, "F_EXLCK");
+		cifs_dbg(FYI, "F_EXLCK\n");
 		*type |= server->vals->exclusive_lock_type;
 		*lock = 1;
 	} else if (flock->fl_type == F_SHLCK) {
-		cFYI(1, "F_SHLCK");
+		cifs_dbg(FYI, "F_SHLCK\n");
 		*type |= server->vals->shared_lock_type;
 		*lock = 1;
 	} else
-		cFYI(1, "Unknown type of lock");
+		cifs_dbg(FYI, "Unknown type of lock\n");
 }
 
 static int
@@ -1286,8 +1291,8 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
 					    type, 0, 1, false);
 		flock->fl_type = F_UNLCK;
 		if (rc != 0)
-			cERROR(1, "Error unlocking previously locked "
-				  "range %d during test of lock", rc);
+			cifs_dbg(VFS, "Error unlocking previously locked range %d during test of lock\n",
+				 rc);
 		return 0;
 	}
 
@@ -1306,8 +1311,8 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
 			type | server->vals->shared_lock_type, 0, 1, false);
 		flock->fl_type = F_RDLCK;
 		if (rc != 0)
-			cERROR(1, "Error unlocking previously locked "
-				  "range %d during test of lock", rc);
+			cifs_dbg(VFS, "Error unlocking previously locked range %d during test of lock\n",
+				 rc);
 	} else
 		flock->fl_type = F_WRLCK;
 
@@ -1498,8 +1503,8 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
 		if (!CIFS_I(inode)->clientCanCacheAll &&
 					CIFS_I(inode)->clientCanCacheRead) {
 			cifs_invalidate_mapping(inode);
-			cFYI(1, "Set no oplock for inode=%p due to mand locks",
-			     inode);
+			cifs_dbg(FYI, "Set no oplock for inode=%p due to mand locks\n",
+				 inode);
 			CIFS_I(inode)->clientCanCacheRead = false;
 		}
 
@@ -1536,9 +1541,9 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
 	rc = -EACCES;
 	xid = get_xid();
 
-	cFYI(1, "Lock parm: 0x%x flockflags: 0x%x flocktype: 0x%x start: %lld "
-		"end: %lld", cmd, flock->fl_flags, flock->fl_type,
-		flock->fl_start, flock->fl_end);
+	cifs_dbg(FYI, "Lock parm: 0x%x flockflags: 0x%x flocktype: 0x%x start: %lld end: %lld\n",
+		 cmd, flock->fl_flags, flock->fl_type,
+		 flock->fl_start, flock->fl_end);
 
 	cfile = (struct cifsFileInfo *)file->private_data;
 	tcon = tlink_tcon(cfile->tlink);
@@ -1548,7 +1553,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
 
 	cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
 	netfid = cfile->fid.netfid;
-	cinode = CIFS_I(file->f_path.dentry->d_inode);
+	cinode = CIFS_I(file_inode(file));
 
 	if (cap_unix(tcon->ses) &&
 	    (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) &&
@@ -1610,8 +1615,8 @@ cifs_write(struct cifsFileInfo *open_file, __u32 pid, const char *write_data,
 
 	cifs_sb = CIFS_SB(dentry->d_sb);
 
-	cFYI(1, "write %zd bytes to offset %lld of %s", write_size,
-	     *offset, dentry->d_name.name);
+	cifs_dbg(FYI, "write %zd bytes to offset %lld of %s\n",
+		 write_size, *offset, dentry->d_name.name);
 
 	tcon = tlink_tcon(open_file->tlink);
 	server = tcon->ses->server;
@@ -1693,7 +1698,7 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode,
 	   are always at the end of the list but since the first entry might
 	   have a close pending, we go through the whole list */
 	list_for_each_entry(open_file, &cifs_inode->openFileList, flist) {
-		if (fsuid_only && open_file->uid != current_fsuid())
+		if (fsuid_only && !uid_eq(open_file->uid, current_fsuid()))
 			continue;
 		if (OPEN_FMODE(open_file->f_flags) & FMODE_READ) {
 			if (!open_file->invalidHandle) {
@@ -1726,7 +1731,7 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
 	it being zero) during stress testcases so we need to check for it */
 
 	if (cifs_inode == NULL) {
-		cERROR(1, "Null inode passed to cifs_writeable_file");
+		cifs_dbg(VFS, "Null inode passed to cifs_writeable_file\n");
 		dump_stack();
 		return NULL;
 	}
@@ -1746,7 +1751,7 @@ refind_writable:
 	list_for_each_entry(open_file, &cifs_inode->openFileList, flist) {
 		if (!any_available && open_file->pid != current->tgid)
 			continue;
-		if (fsuid_only && open_file->uid != current_fsuid())
+		if (fsuid_only && !uid_eq(open_file->uid, current_fsuid()))
 			continue;
 		if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) {
 			if (!open_file->invalidHandle) {
@@ -1838,7 +1843,7 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to)
 		else if (bytes_written < 0)
 			rc = bytes_written;
 	} else {
-		cFYI(1, "No writeable filehandles for inode");
+		cifs_dbg(FYI, "No writeable filehandles for inode\n");
 		rc = -EIO;
 	}
 
@@ -2005,7 +2010,7 @@ retry:
 			wdata->cfile = find_writable_file(CIFS_I(mapping->host),
 							  false);
 			if (!wdata->cfile) {
-				cERROR(1, "No writable handles for inode");
+				cifs_dbg(VFS, "No writable handles for inode\n");
 				rc = -EBADF;
 				break;
 			}
@@ -2066,7 +2071,7 @@ cifs_writepage_locked(struct page *page, struct writeback_control *wbc)
 /* BB add check for wbc flags */
 	page_cache_get(page);
 	if (!PageUptodate(page))
-		cFYI(1, "ppw - page not up to date");
+		cifs_dbg(FYI, "ppw - page not up to date\n");
 
 	/*
 	 * Set the "writeback" flag, and clear "dirty" in the radix tree.
@@ -2117,7 +2122,7 @@ static int cifs_write_end(struct file *file, struct address_space *mapping,
 	else
 		pid = current->tgid;
 
-	cFYI(1, "write_end for page %p from pos %lld with %d bytes",
+	cifs_dbg(FYI, "write_end for page %p from pos %lld with %d bytes\n",
 		 page, pos, copied);
 
 	if (PageChecked(page)) {
@@ -2171,7 +2176,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
 	struct cifs_tcon *tcon;
 	struct TCP_Server_Info *server;
 	struct cifsFileInfo *smbfile = file->private_data;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 
 	rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
@@ -2181,13 +2186,13 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
 
 	xid = get_xid();
 
-	cFYI(1, "Sync file - name: %s datasync: 0x%x",
-		file->f_path.dentry->d_name.name, datasync);
+	cifs_dbg(FYI, "Sync file - name: %s datasync: 0x%x\n",
+		 file->f_path.dentry->d_name.name, datasync);
 
 	if (!CIFS_I(inode)->clientCanCacheRead) {
 		rc = cifs_invalidate_mapping(inode);
 		if (rc) {
-			cFYI(1, "rc: %d during invalidate phase", rc);
+			cifs_dbg(FYI, "rc: %d during invalidate phase\n", rc);
 			rc = 0; /* don't care about it in fsync */
 		}
 	}
@@ -2223,8 +2228,8 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 
 	xid = get_xid();
 
-	cFYI(1, "Sync file - name: %s datasync: 0x%x",
-		file->f_path.dentry->d_name.name, datasync);
+	cifs_dbg(FYI, "Sync file - name: %s datasync: 0x%x\n",
+		 file->f_path.dentry->d_name.name, datasync);
 
 	tcon = tlink_tcon(smbfile->tlink);
 	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) {
@@ -2246,13 +2251,13 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
  */
 int cifs_flush(struct file *file, fl_owner_t id)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int rc = 0;
 
 	if (file->f_mode & FMODE_WRITE)
 		rc = filemap_write_and_wait(inode->i_mapping);
 
-	cFYI(1, "Flush inode %p file %p rc %d", inode, file, rc);
+	cifs_dbg(FYI, "Flush inode %p file %p rc %d\n", inode, file, rc);
 
 	return rc;
 }
@@ -2480,7 +2485,7 @@ ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov,
 	ssize_t written;
 	struct inode *inode;
 
-	inode = iocb->ki_filp->f_path.dentry->d_inode;
+	inode = file_inode(iocb->ki_filp);
 
 	/*
 	 * BB - optimize the way when signing is disabled. We can drop this
@@ -2510,8 +2515,6 @@ cifs_writev(struct kiocb *iocb, const struct iovec *iov,
 
 	BUG_ON(iocb->ki_pos != pos);
 
-	sb_start_write(inode->i_sb);
-
 	/*
 	 * We need to hold the sem to be sure nobody modifies lock list
 	 * with a brlock that prevents writing.
@@ -2535,7 +2538,6 @@ cifs_writev(struct kiocb *iocb, const struct iovec *iov,
 	}
 
 	up_read(&cinode->lock_sem);
-	sb_end_write(inode->i_sb);
 	return rc;
 }
 
@@ -2543,7 +2545,7 @@ ssize_t
 cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
 		   unsigned long nr_segs, loff_t pos)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	struct cifsInodeInfo *cinode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsFileInfo *cfile = (struct cifsFileInfo *)
@@ -2572,8 +2574,8 @@ cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
 		 * an old data.
 		 */
 		cifs_invalidate_mapping(inode);
-		cFYI(1, "Set no oplock for inode=%p after a write operation",
-		     inode);
+		cifs_dbg(FYI, "Set no oplock for inode=%p after a write operation\n",
+			 inode);
 		cinode->clientCanCacheRead = false;
 	}
 	return written;
@@ -2749,15 +2751,15 @@ cifs_uncached_read_into_pages(struct TCP_Server_Info *server,
 			/* enough data to fill the page */
 			iov.iov_base = kmap(page);
 			iov.iov_len = PAGE_SIZE;
-			cFYI(1, "%u: iov_base=%p iov_len=%zu",
-				i, iov.iov_base, iov.iov_len);
+			cifs_dbg(FYI, "%u: iov_base=%p iov_len=%zu\n",
+				 i, iov.iov_base, iov.iov_len);
 			len -= PAGE_SIZE;
 		} else if (len > 0) {
 			/* enough for partial page, fill and zero the rest */
 			iov.iov_base = kmap(page);
 			iov.iov_len = len;
-			cFYI(1, "%u: iov_base=%p iov_len=%zu",
-				i, iov.iov_base, iov.iov_len);
+			cifs_dbg(FYI, "%u: iov_base=%p iov_len=%zu\n",
+				 i, iov.iov_base, iov.iov_len);
 			memset(iov.iov_base + len, '\0', PAGE_SIZE - len);
 			rdata->tailsz = len;
 			len = 0;
@@ -2817,7 +2819,7 @@ cifs_iovec_read(struct file *file, const struct iovec *iov,
 		pid = current->tgid;
 
 	if ((file->f_flags & O_ACCMODE) == O_WRONLY)
-		cFYI(1, "attempting read on write only file instance");
+		cifs_dbg(FYI, "attempting read on write only file instance\n");
 
 	do {
 		cur_len = min_t(const size_t, len - total_read, cifs_sb->rsize);
@@ -2915,7 +2917,7 @@ ssize_t
 cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov,
 		  unsigned long nr_segs, loff_t pos)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	struct cifsInodeInfo *cinode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsFileInfo *cfile = (struct cifsFileInfo *)
@@ -2996,7 +2998,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset)
 		pid = current->tgid;
 
 	if ((file->f_flags & O_ACCMODE) == O_WRONLY)
-		cFYI(1, "attempting read on write only file instance");
+		cifs_dbg(FYI, "attempting read on write only file instance\n");
 
 	for (total_read = 0, cur_offset = read_data; read_size > total_read;
 	     total_read += bytes_read, cur_offset += bytes_read) {
@@ -3063,7 +3065,7 @@ static struct vm_operations_struct cifs_file_vm_ops = {
 int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	int rc, xid;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	xid = get_xid();
 
@@ -3087,7 +3089,8 @@ int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
 	xid = get_xid();
 	rc = cifs_revalidate_file(file);
 	if (rc) {
-		cFYI(1, "Validation prior to mmap failed, error=%d", rc);
+		cifs_dbg(FYI, "Validation prior to mmap failed, error=%d\n",
+			 rc);
 		free_xid(xid);
 		return rc;
 	}
@@ -3140,7 +3143,7 @@ cifs_readpages_read_into_pages(struct TCP_Server_Info *server,
 	/* determine the eof that the server (probably) has */
 	eof = CIFS_I(rdata->mapping->host)->server_eof;
 	eof_index = eof ? (eof - 1) >> PAGE_CACHE_SHIFT : 0;
-	cFYI(1, "eof=%llu eof_index=%lu", eof, eof_index);
+	cifs_dbg(FYI, "eof=%llu eof_index=%lu\n", eof, eof_index);
 
 	rdata->tailsz = PAGE_CACHE_SIZE;
 	for (i = 0; i < nr_pages; i++) {
@@ -3150,15 +3153,15 @@ cifs_readpages_read_into_pages(struct TCP_Server_Info *server,
 			/* enough data to fill the page */
 			iov.iov_base = kmap(page);
 			iov.iov_len = PAGE_CACHE_SIZE;
-			cFYI(1, "%u: idx=%lu iov_base=%p iov_len=%zu",
-				i, page->index, iov.iov_base, iov.iov_len);
+			cifs_dbg(FYI, "%u: idx=%lu iov_base=%p iov_len=%zu\n",
+				 i, page->index, iov.iov_base, iov.iov_len);
 			len -= PAGE_CACHE_SIZE;
 		} else if (len > 0) {
 			/* enough for partial page, fill and zero the rest */
 			iov.iov_base = kmap(page);
 			iov.iov_len = len;
-			cFYI(1, "%u: idx=%lu iov_base=%p iov_len=%zu",
-				i, page->index, iov.iov_base, iov.iov_len);
+			cifs_dbg(FYI, "%u: idx=%lu iov_base=%p iov_len=%zu\n",
+				 i, page->index, iov.iov_base, iov.iov_len);
 			memset(iov.iov_base + len,
 				'\0', PAGE_CACHE_SIZE - len);
 			rdata->tailsz = len;
@@ -3238,8 +3241,8 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
 	rc = 0;
 	INIT_LIST_HEAD(&tmplist);
 
-	cFYI(1, "%s: file=%p mapping=%p num_pages=%u", __func__, file,
-		mapping, num_pages);
+	cifs_dbg(FYI, "%s: file=%p mapping=%p num_pages=%u\n",
+		 __func__, file, mapping, num_pages);
 
 	/*
 	 * Start with the page at end of list and move it to private
@@ -3356,7 +3359,7 @@ static int cifs_readpage_worker(struct file *file, struct page *page,
 	int rc;
 
 	/* Is the page cached? */
-	rc = cifs_readpage_from_fscache(file->f_path.dentry->d_inode, page);
+	rc = cifs_readpage_from_fscache(file_inode(file), page);
 	if (rc == 0)
 		goto read_complete;
 
@@ -3369,10 +3372,10 @@ static int cifs_readpage_worker(struct file *file, struct page *page,
 	if (rc < 0)
 		goto io_error;
 	else
-		cFYI(1, "Bytes read %d", rc);
+		cifs_dbg(FYI, "Bytes read %d\n", rc);
 
-	file->f_path.dentry->d_inode->i_atime =
-		current_fs_time(file->f_path.dentry->d_inode->i_sb);
+	file_inode(file)->i_atime =
+		current_fs_time(file_inode(file)->i_sb);
 
 	if (PAGE_CACHE_SIZE > rc)
 		memset(read_data + rc, 0, PAGE_CACHE_SIZE - rc);
@@ -3381,7 +3384,7 @@ static int cifs_readpage_worker(struct file *file, struct page *page,
 	SetPageUptodate(page);
 
 	/* send this page to the cache */
-	cifs_readpage_to_fscache(file->f_path.dentry->d_inode, page);
+	cifs_readpage_to_fscache(file_inode(file), page);
 
 	rc = 0;
 
@@ -3407,7 +3410,7 @@ static int cifs_readpage(struct file *file, struct page *page)
 		return rc;
 	}
 
-	cFYI(1, "readpage %p at offset %d 0x%x",
+	cifs_dbg(FYI, "readpage %p at offset %d 0x%x\n",
 		 page, (int)offset, (int)offset);
 
 	rc = cifs_readpage_worker(file, page, &offset);
@@ -3474,7 +3477,7 @@ static int cifs_write_begin(struct file *file, struct address_space *mapping,
 	struct page *page;
 	int rc = 0;
 
-	cFYI(1, "write_begin from %lld len %d", (long long)pos, len);
+	cifs_dbg(FYI, "write_begin from %lld len %d\n", (long long)pos, len);
 
 	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page) {
@@ -3563,7 +3566,7 @@ static int cifs_launder_page(struct page *page)
 		.range_end = range_end,
 	};
 
-	cFYI(1, "Launder page: %p", page);
+	cifs_dbg(FYI, "Launder page: %p\n", page);
 
 	if (clear_page_dirty_for_io(page))
 		rc = cifs_writepage_locked(page, &wbc);
@@ -3583,8 +3586,8 @@ void cifs_oplock_break(struct work_struct *work)
 
 	if (!cinode->clientCanCacheAll && cinode->clientCanCacheRead &&
 						cifs_has_mand_locks(cinode)) {
-		cFYI(1, "Reset oplock to None for inode=%p due to mand locks",
-		     inode);
+		cifs_dbg(FYI, "Reset oplock to None for inode=%p due to mand locks\n",
+			 inode);
 		cinode->clientCanCacheRead = false;
 	}
 
@@ -3599,12 +3602,12 @@ void cifs_oplock_break(struct work_struct *work)
 			mapping_set_error(inode->i_mapping, rc);
 			cifs_invalidate_mapping(inode);
 		}
-		cFYI(1, "Oplock flush inode %p rc %d", inode, rc);
+		cifs_dbg(FYI, "Oplock flush inode %p rc %d\n", inode, rc);
 	}
 
 	rc = cifs_push_locks(cfile);
 	if (rc)
-		cERROR(1, "Push locks rc = %d", rc);
+		cifs_dbg(VFS, "Push locks rc = %d\n", rc);
 
 	/*
 	 * releasing stale oplock after recent reconnect of smb session using
@@ -3615,7 +3618,7 @@ void cifs_oplock_break(struct work_struct *work)
 	if (!cfile->oplock_break_cancelled) {
 		rc = tcon->ses->server->ops->oplock_response(tcon, &cfile->fid,
 							     cinode);
-		cFYI(1, "Oplock release rc = %d", rc);
+		cifs_dbg(FYI, "Oplock release rc = %d\n", rc);
 	}
 }