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kernfs: Add noop_fsync to supported kernfs_file_fops

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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>
This commit is contained in:
Tony Luck 2016-10-14 10:56:42 -07:00 committed by Greg Kroah-Hartman
parent 07d9a38068
commit 2a9becdd4d
1 changed files with 1 additions and 0 deletions
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fs/kernfs/file.c
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@ -911,6 +911,7 @@ const struct file_operations kernfs_file_fops = {
.open = kernfs_fop_open,
.release = kernfs_fop_release,
.poll = kernfs_fop_poll,
.fsync = noop_fsync,
};
/**