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-rw-r--r--fs/ocfs2/file.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 2fce3c40ad27..1055a2ece738 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2116,6 +2116,9 @@ static int ocfs2_prepare_inode_for_write(struct file *file,
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
loff_t saved_pos = 0, end;
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+ int full_coherency = !(osb->s_mount_opt &
+ OCFS2_MOUNT_COHERENCY_BUFFERED);
/*
* We start with a read level meta lock and only jump to an ex
@@ -2204,7 +2207,7 @@ static int ocfs2_prepare_inode_for_write(struct file *file,
* one node could wind up truncating another
* nodes writes.
*/
- if (end > i_size_read(inode)) {
+ if (end > i_size_read(inode) && !full_coherency) {
*direct_io = 0;
break;
}