When doing insert range and collapse range we should be
writing out the cached pages for the ranges affected but not
the whole file.
Fixes:
c3a72bb21320 ("smb3: Move the flush out of smb2_copychunk_range() into its callers")
Cc: stable@vger.kernel.org
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
cifs_dbg(FYI, "copychunk range\n");
cifs_dbg(FYI, "copychunk range\n");
- filemap_write_and_wait(src_inode->i_mapping);
-
if (!src_file->private_data || !dst_file->private_data) {
rc = -EBADF;
cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n");
if (!src_file->private_data || !dst_file->private_data) {
rc = -EBADF;
cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n");
lock_two_nondirectories(target_inode, src_inode);
cifs_dbg(FYI, "about to flush pages\n");
lock_two_nondirectories(target_inode, src_inode);
cifs_dbg(FYI, "about to flush pages\n");
+
+ rc = filemap_write_and_wait_range(src_inode->i_mapping, off,
+ off + len - 1);
+ if (rc)
+ goto out;
+
/* should we flush first and last page first */
truncate_inode_pages(&target_inode->i_data, 0);
/* should we flush first and last page first */
truncate_inode_pages(&target_inode->i_data, 0);
}
filemap_invalidate_lock(inode->i_mapping);
}
filemap_invalidate_lock(inode->i_mapping);
- filemap_write_and_wait(inode->i_mapping);
+ rc = filemap_write_and_wait_range(inode->i_mapping, off, old_eof - 1);
+ if (rc < 0)
+ goto out_2;
+
truncate_pagecache_range(inode, off, old_eof);
rc = smb2_copychunk_range(xid, cfile, cfile, off + len,
truncate_pagecache_range(inode, off, old_eof);
rc = smb2_copychunk_range(xid, cfile, cfile, off + len,
eof = cpu_to_le64(old_eof + len);
filemap_invalidate_lock(inode->i_mapping);
eof = cpu_to_le64(old_eof + len);
filemap_invalidate_lock(inode->i_mapping);
- filemap_write_and_wait(inode->i_mapping);
+ rc = filemap_write_and_wait_range(inode->i_mapping, off, old_eof + len - 1);
+ if (rc < 0)
+ goto out_2;
truncate_pagecache_range(inode, off, old_eof);
rc = SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,
truncate_pagecache_range(inode, off, old_eof);
rc = SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,