1 files changed, 166 insertions, 133 deletions

diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 3abfe77bfa46..5d4b0fd3a59e 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -26,15 +26,28 @@
 #include "fs_context.h"
 #include "cifs_ioctl.h"
 #include "cached_dir.h"
+#include "reparse.h"
+
+/*
+ * Set parameters for the netfs library
+ */
+static void cifs_set_netfs_context(struct inode *inode)
+{
+	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
+
+	netfs_inode_init(&cifs_i->netfs, &cifs_req_ops, true);
+}
 
 static void cifs_set_ops(struct inode *inode)
 {
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+	struct netfs_inode *ictx = netfs_inode(inode);
 
 	switch (inode->i_mode & S_IFMT) {
 	case S_IFREG:
 		inode->i_op = &cifs_file_inode_ops;
 		if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
+			set_bit(NETFS_ICTX_UNBUFFERED, &ictx->flags);
 			if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
 				inode->i_fop = &cifs_file_direct_nobrl_ops;
 			else
@@ -56,6 +69,7 @@ static void cifs_set_ops(struct inode *inode)
 			inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
 		else
 			inode->i_data.a_ops = &cifs_addr_ops;
+		mapping_set_large_folios(inode->i_mapping);
 		break;
 	case S_IFDIR:
 		if (IS_AUTOMOUNT(inode)) {
@@ -104,7 +118,7 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr)
 	fattr->cf_mtime = timestamp_truncate(fattr->cf_mtime, inode);
 	mtime = inode_get_mtime(inode);
 	if (timespec64_equal(&mtime, &fattr->cf_mtime) &&
-	    cifs_i->server_eof == fattr->cf_eof) {
+	    cifs_i->netfs.remote_i_size == fattr->cf_eof) {
 		cifs_dbg(FYI, "%s: inode %llu is unchanged\n",
 			 __func__, cifs_i->uniqueid);
 		return;
@@ -147,7 +161,8 @@ cifs_nlink_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 
 /* populate an inode with info from a cifs_fattr struct */
 int
-cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
+cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr,
+		    bool from_readdir)
 {
 	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
@@ -182,6 +197,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 		inode->i_mode = fattr->cf_mode;
 
 	cifs_i->cifsAttrs = fattr->cf_cifsattrs;
+	cifs_i->reparse_tag = fattr->cf_cifstag;
 
 	if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
 		cifs_i->time = 0;
@@ -193,12 +209,12 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 	else
 		clear_bit(CIFS_INO_DELETE_PENDING, &cifs_i->flags);
 
-	cifs_i->server_eof = fattr->cf_eof;
+	cifs_i->netfs.remote_i_size = fattr->cf_eof;
 	/*
 	 * Can't safely change the file size here if the client is writing to
 	 * it due to potential races.
 	 */
-	if (is_size_safe_to_change(cifs_i, fattr->cf_eof)) {
+	if (is_size_safe_to_change(cifs_i, fattr->cf_eof, from_readdir)) {
 		i_size_write(inode, fattr->cf_eof);
 
 		/*
@@ -209,7 +225,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 		inode->i_blocks = (512 - 1 + fattr->cf_bytes) >> 9;
 	}
 
-	if (S_ISLNK(fattr->cf_mode)) {
+	if (S_ISLNK(fattr->cf_mode) && fattr->cf_symlink_target) {
 		kfree(cifs_i->symlink_target);
 		cifs_i->symlink_target = fattr->cf_symlink_target;
 		fattr->cf_symlink_target = NULL;
@@ -218,8 +234,10 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 
 	if (fattr->cf_flags & CIFS_FATTR_JUNCTION)
 		inode->i_flags |= S_AUTOMOUNT;
-	if (inode->i_state & I_NEW)
+	if (inode->i_state & I_NEW) {
+		cifs_set_netfs_context(inode);
 		cifs_set_ops(inode);
+	}
 	return 0;
 }
 
@@ -367,7 +385,7 @@ static int update_inode_info(struct super_block *sb,
 		CIFS_I(*inode)->time = 0; /* force reval */
 		return -ESTALE;
 	}
-	return cifs_fattr_to_inode(*inode, fattr);
+	return cifs_fattr_to_inode(*inode, fattr, false);
 }
 
 #ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
@@ -398,11 +416,10 @@ cifs_get_file_info_unix(struct file *filp)
 		cifs_unix_basic_to_fattr(&fattr, &find_data, cifs_sb);
 	} else if (rc == -EREMOTE) {
 		cifs_create_junction_fattr(&fattr, inode->i_sb);
-		rc = 0;
 	} else
 		goto cifs_gfiunix_out;
 
-	rc = cifs_fattr_to_inode(inode, &fattr);
+	rc = cifs_fattr_to_inode(inode, &fattr, false);
 
 cifs_gfiunix_out:
 	free_xid(xid);
@@ -459,8 +476,7 @@ static int cifs_get_unix_fattr(const unsigned char *full_path,
 			return -EOPNOTSUPP;
 		rc = server->ops->query_symlink(xid, tcon,
 						cifs_sb, full_path,
-						&fattr->cf_symlink_target,
-						NULL);
+						&fattr->cf_symlink_target);
 		cifs_dbg(FYI, "%s: query_symlink: %d\n", __func__, rc);
 	}
 	return rc;
@@ -594,6 +610,10 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
 			cifs_dbg(FYI, "Symlink\n");
 			fattr->cf_mode |= S_IFLNK;
 			fattr->cf_dtype = DT_LNK;
+		} else if (memcmp("LnxFIFO", pbuf, 8) == 0) {
+			cifs_dbg(FYI, "FIFO\n");
+			fattr->cf_mode |= S_IFIFO;
+			fattr->cf_dtype = DT_FIFO;
 		} else {
 			fattr->cf_mode |= S_IFREG; /* file? */
 			fattr->cf_dtype = DT_REG;
@@ -661,8 +681,6 @@ static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
 /* Fill a cifs_fattr struct with info from POSIX info struct */
 static void smb311_posix_info_to_fattr(struct cifs_fattr *fattr,
 				       struct cifs_open_info_data *data,
-				       struct cifs_sid *owner,
-				       struct cifs_sid *group,
 				       struct super_block *sb)
 {
 	struct smb311_posix_qinfo *info = &data->posix_fi;
@@ -688,73 +706,43 @@ static void smb311_posix_info_to_fattr(struct cifs_fattr *fattr,
 		fattr->cf_mtime.tv_sec += tcon->ses->server->timeAdj;
 	}
 
+	/*
+	 * The srv fs device id is overridden on network mount so setting
+	 * @fattr->cf_rdev isn't needed here.
+	 */
 	fattr->cf_eof = le64_to_cpu(info->EndOfFile);
 	fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
 	fattr->cf_createtime = le64_to_cpu(info->CreationTime);
-
 	fattr->cf_nlink = le32_to_cpu(info->HardLinks);
 	fattr->cf_mode = (umode_t) le32_to_cpu(info->Mode);
-	/* The srv fs device id is overridden on network mount so setting rdev isn't needed here */
-	/* fattr->cf_rdev = le32_to_cpu(info->DeviceId); */
 
-	if (data->symlink) {
-		fattr->cf_mode |= S_IFLNK;
-		fattr->cf_dtype = DT_LNK;
-		fattr->cf_symlink_target = data->symlink_target;
-		data->symlink_target = NULL;
-	} else if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
+	if (cifs_open_data_reparse(data) &&
+	    cifs_reparse_point_to_fattr(cifs_sb, fattr, data))
+		goto out_reparse;
+
+	fattr->cf_mode &= ~S_IFMT;
+	if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
 		fattr->cf_mode |= S_IFDIR;
 		fattr->cf_dtype = DT_DIR;
 	} else { /* file */
 		fattr->cf_mode |= S_IFREG;
 		fattr->cf_dtype = DT_REG;
 	}
-	/* else if reparse point ... TODO: add support for FIFO and blk dev; special file types */
 
-	sid_to_id(cifs_sb, owner, fattr, SIDOWNER);
-	sid_to_id(cifs_sb, group, fattr, SIDGROUP);
+out_reparse:
+	if (S_ISLNK(fattr->cf_mode)) {
+		if (likely(data->symlink_target))
+			fattr->cf_eof = strnlen(data->symlink_target, PATH_MAX);
+		fattr->cf_symlink_target = data->symlink_target;
+		data->symlink_target = NULL;
+	}
+	sid_to_id(cifs_sb, &data->posix_owner, fattr, SIDOWNER);
+	sid_to_id(cifs_sb, &data->posix_group, fattr, SIDGROUP);
 
 	cifs_dbg(FYI, "POSIX query info: mode 0x%x uniqueid 0x%llx nlink %d\n",
 		fattr->cf_mode, fattr->cf_uniqueid, fattr->cf_nlink);
 }
 
-bool cifs_reparse_point_to_fattr(struct cifs_sb_info *cifs_sb,
-				 struct cifs_fattr *fattr,
-				 u32 tag)
-{
-	switch (tag) {
-	case IO_REPARSE_TAG_LX_SYMLINK:
-		fattr->cf_mode |= S_IFLNK | cifs_sb->ctx->file_mode;
-		fattr->cf_dtype = DT_LNK;
-		break;
-	case IO_REPARSE_TAG_LX_FIFO:
-		fattr->cf_mode |= S_IFIFO | cifs_sb->ctx->file_mode;
-		fattr->cf_dtype = DT_FIFO;
-		break;
-	case IO_REPARSE_TAG_AF_UNIX:
-		fattr->cf_mode |= S_IFSOCK | cifs_sb->ctx->file_mode;
-		fattr->cf_dtype = DT_SOCK;
-		break;
-	case IO_REPARSE_TAG_LX_CHR:
-		fattr->cf_mode |= S_IFCHR | cifs_sb->ctx->file_mode;
-		fattr->cf_dtype = DT_CHR;
-		break;
-	case IO_REPARSE_TAG_LX_BLK:
-		fattr->cf_mode |= S_IFBLK | cifs_sb->ctx->file_mode;
-		fattr->cf_dtype = DT_BLK;
-		break;
-	case 0: /* SMB1 symlink */
-	case IO_REPARSE_TAG_SYMLINK:
-	case IO_REPARSE_TAG_NFS:
-		fattr->cf_mode = S_IFLNK;
-		fattr->cf_dtype = DT_LNK;
-		break;
-	default:
-		return false;
-	}
-	return true;
-}
-
 static void cifs_open_info_to_fattr(struct cifs_fattr *fattr,
 				    struct cifs_open_info_data *data,
 				    struct super_block *sb)
@@ -785,9 +773,12 @@ static void cifs_open_info_to_fattr(struct cifs_fattr *fattr,
 	fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
 	fattr->cf_createtime = le64_to_cpu(info->CreationTime);
 	fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks);
+	fattr->cf_uid = cifs_sb->ctx->linux_uid;
+	fattr->cf_gid = cifs_sb->ctx->linux_gid;
 
+	fattr->cf_mode = cifs_sb->ctx->file_mode;
 	if (cifs_open_data_reparse(data) &&
-	    cifs_reparse_point_to_fattr(cifs_sb, fattr, data->reparse_tag))
+	    cifs_reparse_point_to_fattr(cifs_sb, fattr, data))
 		goto out_reparse;
 
 	if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
@@ -821,12 +812,11 @@ static void cifs_open_info_to_fattr(struct cifs_fattr *fattr,
 
 out_reparse:
 	if (S_ISLNK(fattr->cf_mode)) {
+		if (likely(data->symlink_target))
+			fattr->cf_eof = strnlen(data->symlink_target, PATH_MAX);
 		fattr->cf_symlink_target = data->symlink_target;
 		data->symlink_target = NULL;
 	}
-
-	fattr->cf_uid = cifs_sb->ctx->linux_uid;
-	fattr->cf_gid = cifs_sb->ctx->linux_gid;
 }
 
 static int
@@ -840,9 +830,14 @@ cifs_get_file_info(struct file *filp)
 	struct cifsFileInfo *cfile = filp->private_data;
 	struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
 	struct TCP_Server_Info *server = tcon->ses->server;
+	struct dentry *dentry = filp->f_path.dentry;
+	void *page = alloc_dentry_path();
+	const unsigned char *path;
 
-	if (!server->ops->query_file_info)
+	if (!server->ops->query_file_info) {
+		free_dentry_path(page);
 		return -ENOSYS;
+	}
 
 	xid = get_xid();
 	rc = server->ops->query_file_info(xid, tcon, cfile, &data);
@@ -852,13 +847,19 @@ cifs_get_file_info(struct file *filp)
 		data.adjust_tz = false;
 		if (data.symlink_target) {
 			data.symlink = true;
-			data.reparse_tag = IO_REPARSE_TAG_SYMLINK;
+			data.reparse.tag = IO_REPARSE_TAG_SYMLINK;
+		}
+		path = build_path_from_dentry(dentry, page);
+		if (IS_ERR(path)) {
+			rc = PTR_ERR(path);
+			goto cgfi_exit;
 		}
 		cifs_open_info_to_fattr(&fattr, &data, inode->i_sb);
+		if (fattr.cf_flags & CIFS_FATTR_DELETE_PENDING)
+			cifs_mark_open_handles_for_deleted_file(inode, path);
 		break;
 	case -EREMOTE:
 		cifs_create_junction_fattr(&fattr, inode->i_sb);
-		rc = 0;
 		break;
 	case -EOPNOTSUPP:
 	case -EINVAL:
@@ -881,9 +882,10 @@ cifs_get_file_info(struct file *filp)
 	fattr.cf_uniqueid = CIFS_I(inode)->uniqueid;
 	fattr.cf_flags |= CIFS_FATTR_NEED_REVAL;
 	/* if filetype is different, return error */
-	rc = cifs_fattr_to_inode(inode, &fattr);
+	rc = cifs_fattr_to_inode(inode, &fattr, false);
 cgfi_exit:
 	cifs_free_open_info(&data);
+	free_dentry_path(page);
 	free_xid(xid);
 	return rc;
 }
@@ -1021,7 +1023,7 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data,
 	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
 	struct kvec rsp_iov, *iov = NULL;
 	int rsp_buftype = CIFS_NO_BUFFER;
-	u32 tag = data->reparse_tag;
+	u32 tag = data->reparse.tag;
 	int rc = 0;
 
 	if (!tag && server->ops->query_reparse_point) {
@@ -1030,27 +1032,41 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data,
 						      &rsp_iov, &rsp_buftype);
 		if (!rc)
 			iov = &rsp_iov;
+	} else if (data->reparse.io.buftype != CIFS_NO_BUFFER &&
+		   data->reparse.io.iov.iov_base) {
+		iov = &data->reparse.io.iov;
 	}
-	switch ((data->reparse_tag = tag)) {
+
+	rc = -EOPNOTSUPP;
+	switch ((data->reparse.tag = tag)) {
 	case 0: /* SMB1 symlink */
-		iov = NULL;
-		fallthrough;
-	case IO_REPARSE_TAG_NFS:
-	case IO_REPARSE_TAG_SYMLINK:
-		if (!data->symlink_target && server->ops->query_symlink) {
+		if (server->ops->query_symlink) {
 			rc = server->ops->query_symlink(xid, tcon,
 							cifs_sb, full_path,
-							&data->symlink_target,
-							iov);
+							&data->symlink_target);
 		}
 		break;
 	case IO_REPARSE_TAG_MOUNT_POINT:
 		cifs_create_junction_fattr(fattr, sb);
+		rc = 0;
 		goto out;
+	default:
+		/* Check for cached reparse point data */
+		if (data->symlink_target || data->reparse.buf) {
+			rc = 0;
+		} else if (iov && server->ops->parse_reparse_point) {
+			rc = server->ops->parse_reparse_point(cifs_sb,
+							      iov, data);
+		}
+		break;
 	}
 
-	cifs_open_info_to_fattr(fattr, data, sb);
+	if (tcon->posix_extensions)
+		smb311_posix_info_to_fattr(fattr, data, sb);
+	else
+		cifs_open_info_to_fattr(fattr, data, sb);
 out:
+	fattr->cf_cifstag = data->reparse.tag;
 	free_rsp_buf(rsp_buftype, rsp_iov.iov_base);
 	return rc;
 }
@@ -1104,6 +1120,9 @@ static int cifs_get_fattr(struct cifs_open_info_data *data,
 		} else {
 			cifs_open_info_to_fattr(fattr, data, sb);
 		}
+		if (!rc && *inode &&
+		    (fattr->cf_flags & CIFS_FATTR_DELETE_PENDING))
+			cifs_mark_open_handles_for_deleted_file(*inode, full_path);
 		break;
 	case -EREMOTE:
 		/* DFS link, no metadata available on this server */
@@ -1238,31 +1257,34 @@ out:
 	return rc;
 }
 
-static int smb311_posix_get_fattr(struct cifs_fattr *fattr,
+static int smb311_posix_get_fattr(struct cifs_open_info_data *data,
+				  struct cifs_fattr *fattr,
 				  const char *full_path,
 				  struct super_block *sb,
 				  const unsigned int xid)
 {
-	struct cifs_open_info_data data = {};
+	struct cifs_open_info_data tmp_data = {};
+	struct TCP_Server_Info *server;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
 	struct cifs_tcon *tcon;
 	struct tcon_link *tlink;
-	struct cifs_sid owner, group;
 	int tmprc;
-	int rc;
+	int rc = 0;
 
 	tlink = cifs_sb_tlink(cifs_sb);
 	if (IS_ERR(tlink))
 		return PTR_ERR(tlink);
 	tcon = tlink_tcon(tlink);
+	server = tcon->ses->server;
 
 	/*
-	 * 1. Fetch file metadata
+	 * 1. Fetch file metadata if not provided (data)
 	 */
-
-	rc = smb311_posix_query_path_info(xid, tcon, cifs_sb,
-					  full_path, &data,
-					  &owner, &group);
+	if (!data) {
+		rc = server->ops->query_path_info(xid, tcon, cifs_sb,
+						  full_path, &tmp_data);
+		data = &tmp_data;
+	}
 
 	/*
 	 * 2. Convert it to internal cifs metadata (fattr)
@@ -1270,7 +1292,12 @@ static int smb311_posix_get_fattr(struct cifs_fattr *fattr,
 
 	switch (rc) {
 	case 0:
-		smb311_posix_info_to_fattr(fattr, &data, &owner, &group, sb);
+		if (cifs_open_data_reparse(data)) {
+			rc = reparse_info_to_fattr(data, sb, xid, tcon,
+						   full_path, fattr);
+		} else {
+			smb311_posix_info_to_fattr(fattr, data, sb);
+		}
 		break;
 	case -EREMOTE:
 		/* DFS link, no metadata available on this server */
@@ -1301,12 +1328,15 @@ static int smb311_posix_get_fattr(struct cifs_fattr *fattr,
 
 out:
 	cifs_put_tlink(tlink);
-	cifs_free_open_info(&data);
+	cifs_free_open_info(data);
 	return rc;
 }
 
-int smb311_posix_get_inode_info(struct inode **inode, const char *full_path,
-				struct super_block *sb, const unsigned int xid)
+int smb311_posix_get_inode_info(struct inode **inode,
+				const char *full_path,
+				struct cifs_open_info_data *data,
+				struct super_block *sb,
+				const unsigned int xid)
 {
 	struct cifs_fattr fattr = {};
 	int rc;
@@ -1316,11 +1346,13 @@ int smb311_posix_get_inode_info(struct inode **inode, const char *full_path,
 		return 0;
 	}
 
-	rc = smb311_posix_get_fattr(&fattr, full_path, sb, xid);
+	rc = smb311_posix_get_fattr(data, &fattr, full_path, sb, xid);
 	if (rc)
 		goto out;
 
 	rc = update_inode_info(sb, &fattr, inode);
+	if (!rc && fattr.cf_flags & CIFS_FATTR_DELETE_PENDING)
+		cifs_mark_open_handles_for_deleted_file(*inode, full_path);
 out:
 	kfree(fattr.cf_symlink_target);
 	return rc;
@@ -1335,6 +1367,8 @@ cifs_find_inode(struct inode *inode, void *opaque)
 {
 	struct cifs_fattr *fattr = opaque;
 
+	/* [!] The compared values must be the same in struct cifs_fscache_inode_key. */
+
 	/* don't match inode with different uniqueid */
 	if (CIFS_I(inode)->uniqueid != fattr->cf_uniqueid)
 		return 0;
@@ -1413,7 +1447,7 @@ retry_iget5_locked:
 		}
 
 		/* can't fail - see cifs_find_inode() */
-		cifs_fattr_to_inode(inode, fattr);
+		cifs_fattr_to_inode(inode, fattr, false);
 		if (sb->s_flags & SB_NOATIME)
 			inode->i_flags |= S_NOATIME | S_NOCMTIME;
 		if (inode->i_state & I_NEW) {
@@ -1464,7 +1498,7 @@ struct inode *cifs_root_iget(struct super_block *sb)
 
 	convert_delimiter(path, CIFS_DIR_SEP(cifs_sb));
 	if (tcon->posix_extensions)
-		rc = smb311_posix_get_fattr(&fattr, path, sb, xid);
+		rc = smb311_posix_get_fattr(NULL, &fattr, path, sb, xid);
 	else
 		rc = cifs_get_fattr(NULL, sb, xid, NULL, &fattr, &inode, path);
 
@@ -1482,6 +1516,9 @@ iget_root:
 		goto out;
 	}
 
+	if (!rc && fattr.cf_flags & CIFS_FATTR_DELETE_PENDING)
+		cifs_mark_open_handles_for_deleted_file(inode, path);
+
 	if (rc && tcon->pipe) {
 		cifs_dbg(FYI, "ipc connection - fake read inode\n");
 		spin_lock(&inode->i_lock);
@@ -1768,20 +1805,24 @@ retry_std_delete:
 		goto psx_del_no_retry;
 	}
 
-	rc = server->ops->unlink(xid, tcon, full_path, cifs_sb);
+	rc = server->ops->unlink(xid, tcon, full_path, cifs_sb, dentry);
 
 psx_del_no_retry:
 	if (!rc) {
-		if (inode)
+		if (inode) {
+			cifs_mark_open_handles_for_deleted_file(inode, full_path);
 			cifs_drop_nlink(inode);
+		}
 	} else if (rc == -ENOENT) {
 		d_drop(dentry);
 	} else if (rc == -EBUSY) {
 		if (server->ops->rename_pending_delete) {
 			rc = server->ops->rename_pending_delete(full_path,
 								dentry, xid);
-			if (rc == 0)
+			if (rc == 0) {
+				cifs_mark_open_handles_for_deleted_file(inode, full_path);
 				cifs_drop_nlink(inode);
+			}
 		}
 	} else if ((rc == -EACCES) && (dosattr == 0) && inode) {
 		attrs = kzalloc(sizeof(*attrs), GFP_KERNEL);
@@ -1837,16 +1878,18 @@ cifs_mkdir_qinfo(struct inode *parent, struct dentry *dentry, umode_t mode,
 	int rc = 0;
 	struct inode *inode = NULL;
 
-	if (tcon->posix_extensions)
-		rc = smb311_posix_get_inode_info(&inode, full_path, parent->i_sb, xid);
+	if (tcon->posix_extensions) {
+		rc = smb311_posix_get_inode_info(&inode, full_path,
+						 NULL, parent->i_sb, xid);
 #ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
-	else if (tcon->unix_ext)
+	} else if (tcon->unix_ext) {
 		rc = cifs_get_inode_info_unix(&inode, full_path, parent->i_sb,
 					      xid);
 #endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
-	else
+	} else {
 		rc = cifs_get_inode_info(&inode, full_path, NULL, parent->i_sb,
 					 xid, NULL);
+	}
 
 	if (rc)
 		return rc;
@@ -2167,7 +2210,8 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
 		return -ENOSYS;
 
 	/* try path-based rename first */
-	rc = server->ops->rename(xid, tcon, from_path, to_path, cifs_sb);
+	rc = server->ops->rename(xid, tcon, from_dentry,
+				 from_path, to_path, cifs_sb);
 
 	/*
 	 * Don't bother with rename by filehandle unless file is busy and
@@ -2402,24 +2446,6 @@ cifs_dentry_needs_reval(struct dentry *dentry)
 	return false;
 }
 
-/*
- * Zap the cache. Called when invalid_mapping flag is set.
- */
-int
-cifs_invalidate_mapping(struct inode *inode)
-{
-	int rc = 0;
-
-	if (inode->i_mapping && inode->i_mapping->nrpages != 0) {
-		rc = invalidate_inode_pages2(inode->i_mapping);
-		if (rc)
-			cifs_dbg(VFS, "%s: invalidate inode %p failed with rc %d\n",
-				 __func__, inode, rc);
-	}
-
-	return rc;
-}
-
 /**
  * cifs_wait_bit_killable - helper for functions that are sleeping on bit locks
  *
@@ -2456,9 +2482,12 @@ cifs_revalidate_mapping(struct inode *inode)
 		if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RW_CACHE)
 			goto skip_invalidate;
 
-		rc = cifs_invalidate_mapping(inode);
-		if (rc)
+		rc = filemap_invalidate_inode(inode, true, 0, LLONG_MAX);
+		if (rc) {
+			cifs_dbg(VFS, "%s: invalidate inode %p failed with rc %d\n",
+				 __func__, inode, rc);
 			set_bit(CIFS_INO_INVALID_MAPPING, flags);
+		}
 	}
 
 skip_invalidate:
@@ -2527,13 +2556,15 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry)
 		 dentry, cifs_get_time(dentry), jiffies);
 
 again:
-	if (cifs_sb_master_tcon(CIFS_SB(sb))->posix_extensions)
-		rc = smb311_posix_get_inode_info(&inode, full_path, sb, xid);
-	else if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext)
+	if (cifs_sb_master_tcon(CIFS_SB(sb))->posix_extensions) {
+		rc = smb311_posix_get_inode_info(&inode, full_path,
+						 NULL, sb, xid);
+	} else if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext) {
 		rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
-	else
+	} else {
 		rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
 					 xid, NULL);
+	}
 	if (rc == -EAGAIN && count++ < 10)
 		goto again;
 out:
@@ -2714,7 +2745,7 @@ void cifs_setsize(struct inode *inode, loff_t offset)
 
 static int
 cifs_set_file_size(struct inode *inode, struct iattr *attrs,
-		   unsigned int xid, const char *full_path)
+		   unsigned int xid, const char *full_path, struct dentry *dentry)
 {
 	int rc;
 	struct cifsFileInfo *open_file;
@@ -2765,7 +2796,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
 	 */
 	if (server->ops->set_path_size)
 		rc = server->ops->set_path_size(xid, tcon, full_path,
-						attrs->ia_size, cifs_sb, false);
+						attrs->ia_size, cifs_sb, false, dentry);
 	else
 		rc = -ENOSYS;
 	cifs_dbg(FYI, "SetEOF by path (setattrs) rc = %d\n", rc);
@@ -2775,7 +2806,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
 
 set_size_out:
 	if (rc == 0) {
-		cifsInode->server_eof = attrs->ia_size;
+		netfs_resize_file(&cifsInode->netfs, attrs->ia_size, true);
 		cifs_setsize(inode, attrs->ia_size);
 		/*
 		 * i_blocks is not related to (i_size / i_blksize), but instead
@@ -2855,7 +2886,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
 	rc = 0;
 
 	if (attrs->ia_valid & ATTR_SIZE) {
-		rc = cifs_set_file_size(inode, attrs, xid, full_path);
+		rc = cifs_set_file_size(inode, attrs, xid, full_path, direntry);
 		if (rc != 0)
 			goto out;
 	}
@@ -2928,6 +2959,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
 	if ((attrs->ia_valid & ATTR_SIZE) &&
 	    attrs->ia_size != i_size_read(inode)) {
 		truncate_setsize(inode, attrs->ia_size);
+		netfs_resize_file(&cifsInode->netfs, attrs->ia_size, true);
 		fscache_resize_cookie(cifs_inode_cookie(inode), attrs->ia_size);
 	}
 
@@ -3021,7 +3053,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
 	}
 
 	if (attrs->ia_valid & ATTR_SIZE) {
-		rc = cifs_set_file_size(inode, attrs, xid, full_path);
+		rc = cifs_set_file_size(inode, attrs, xid, full_path, direntry);
 		if (rc != 0)
 			goto cifs_setattr_exit;
 	}
@@ -3127,6 +3159,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
 	if ((attrs->ia_valid & ATTR_SIZE) &&
 	    attrs->ia_size != i_size_read(inode)) {
 		truncate_setsize(inode, attrs->ia_size);
+		netfs_resize_file(&cifsInode->netfs, attrs->ia_size, true);
 		fscache_resize_cookie(cifs_inode_cookie(inode), attrs->ia_size);
 	}