kernfs: Add noop_fsync to supported kernfs_file_fops
authorTony Luck <tony.luck@intel.com>
Fri, 14 Oct 2016 17:56:42 +0000 (10:56 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Oct 2016 15:47:11 +0000 (17:47 +0200)
commit2a9becdd4dbed499815938308bdab9aae70dd561
tree4dd2519edf64288329c6f00b3c20f7dca9fa0593
parent07d9a380680d1c0eb51ef87ff2eab5c994949e69
kernfs: Add noop_fsync to supported kernfs_file_fops

If you edit a kernfs backed file with vi(1), you see an ugly error
message when you write the file because vi tries to fsync(2) the
file after writing, which fails.

We have noop_fsync() for this, use it.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/kernfs/file.c