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-rw-r--r--fs/sync.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/sync.c b/fs/sync.c
index d104591b066b..b75ca68dc081 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -295,10 +295,11 @@ SYSCALL_DEFINE1(fdatasync, unsigned int, fd)
*/
int generic_write_sync(struct file *file, loff_t pos, loff_t count)
{
- if (!(file->f_flags & O_SYNC) && !IS_SYNC(file->f_mapping->host))
+ if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host))
return 0;
return vfs_fsync_range(file, file->f_path.dentry, pos,
- pos + count - 1, 1);
+ pos + count - 1,
+ (file->f_flags & __O_SYNC) ? 0 : 1);
}
EXPORT_SYMBOL(generic_write_sync);