From b5763c0f3bb1ca5ca64d2b72d07e8b42ab624ab0 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Thu, 4 Feb 2010 11:33:03 -0500 Subject: [PATCH] Btrfs: apply updated fallocate i_size fix commit 23b5c50945f2294add0137799400329c0ebba290 upstream. This version of the i_size fix for fallocate makes sure we only update the i_size when the current fallocate is really operating outside of i_size. Signed-off-by: Chris Mason Acked-by: Jeff Mahoney Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/inode.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 8fa67e096305..e03a836d50d0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5798,7 +5798,9 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end, inode->i_ctime = CURRENT_TIME; BTRFS_I(inode)->flags |= BTRFS_INODE_PREALLOC; if (!(mode & FALLOC_FL_KEEP_SIZE) && - cur_offset > inode->i_size) { + (actual_len > inode->i_size) && + (cur_offset > inode->i_size)) { + if (cur_offset > actual_len) i_size = actual_len; else -- 2.34.1