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-rw-r--r--fs/btrfs/file.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 15a09cb156ce..7af1abda68d0 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2682,9 +2682,12 @@ static long btrfs_fallocate(struct file *file, int mode,
return ret;
inode_lock(inode);
- ret = inode_newsize_ok(inode, alloc_end);
- if (ret)
- goto out;
+
+ if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size) {
+ ret = inode_newsize_ok(inode, offset + len);
+ if (ret)
+ goto out;
+ }
/*
* TODO: Move these two operations after we have checked