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-rw-r--r--fs/ext4/ext4.h1
-rw-r--r--fs/ext4/extents.c6
-rw-r--r--fs/ext4/fsync.c4
3 files changed, 9 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 32b7daa41a4..bab2387fba4 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1671,6 +1671,7 @@ extern void ext4_htree_free_dir_info(struct dir_private_info *p);
/* fsync.c */
extern int ext4_sync_file(struct file *, int);
+extern int ext4_flush_completed_IO(struct inode *);
/* hash.c */
extern int ext4fs_dirhash(const char *name, int len, struct
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 9081d1060a5..627f7ae94ae 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3534,6 +3534,12 @@ void ext4_ext_truncate(struct inode *inode)
int err = 0;
/*
+ * finish any pending end_io work so we won't run the risk of
+ * converting any truncated blocks to initialized later
+ */
+ ext4_flush_completed_IO(inode);
+
+ /*
* probably first extent we're gonna free will be last in block
*/
err = ext4_writepage_trans_blocks(inode);
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index c1a7bc923cf..7829b287822 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -75,7 +75,7 @@ static void dump_completed_IO(struct inode * inode)
* to written.
* The function return the number of pending IOs on success.
*/
-static int flush_completed_IO(struct inode *inode)
+extern int ext4_flush_completed_IO(struct inode *inode)
{
ext4_io_end_t *io;
struct ext4_inode_info *ei = EXT4_I(inode);
@@ -169,7 +169,7 @@ int ext4_sync_file(struct file *file, int datasync)
if (inode->i_sb->s_flags & MS_RDONLY)
return 0;
- ret = flush_completed_IO(inode);
+ ret = ext4_flush_completed_IO(inode);
if (ret < 0)
return ret;