ext4: remove unnecessary fast commit calls from ext4_file_mmap

Remove unnecessary calls to ext4_fc_start_update() and
ext4_fc_stop_update() from ext4_file_mmap().

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-17-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index d85412d12e3af80c97437c944a6abd12399f8205..80ad5ccc02880a939ad8b6e82430f235bcd567fd 100644 (file)
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -761,7 +761,6 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
        if (!daxdev_mapping_supported(vma, dax_dev))
                return -EOPNOTSUPP;
 
-       ext4_fc_start_update(inode);
        file_accessed(file);
        if (IS_DAX(file_inode(file))) {
                vma->vm_ops = &ext4_dax_vm_ops;
@@ -769,7 +768,6 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
        } else {
                vma->vm_ops = &ext4_file_vm_ops;
        }
-       ext4_fc_stop_update(inode);
        return 0;
 }