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orangefs: truncate before updating size 

Otherwise we race with orangefs_writepage/orangefs_writepages
which and does not expect i_size < page_offset.

Fixes xfstests generic/129.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Martin Brandenburg 2019-04-29 17:09:48 +00:00 committed by Mike Marshall
parent dd59a6475c
commit 33713cd09c
1 changed files with 5 additions and 1 deletions
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6
fs/orangefs/inode.c
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@ -818,7 +818,11 @@ static int orangefs_setattr_size(struct inode *inode, struct iattr *iattr)
}
orig_size = i_size_read(inode);
truncate_setsize(inode, iattr->ia_size);
/* This is truncate_setsize in a different order. */
truncate_pagecache(inode, iattr->ia_size);
i_size_write(inode, iattr->ia_size);
if (iattr->ia_size > orig_size)
pagecache_isize_extended(inode, orig_size, iattr->ia_size);
new_op = op_alloc(ORANGEFS_VFS_OP_TRUNCATE);
if (!new_op)