On Mon, Feb 22, 2016 at 10:17 AM, Deepa Dinamani <deepa.kernel@xxxxxxxxx> wrote:
>
> CURRENT_TIME macro is not appropriate for filesystems as it
> doesn't use the right granularity for filesystem timestamps.
> Use current_fs_time() instead.
>
> Signed-off-by: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
> Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
> Cc: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
> Cc: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
> Cc: Anna Schumaker <anna.schumaker@xxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: linux-nfs@xxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> ---
> net/sunrpc/rpc_pipe.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
> index 31789ef..bab3187 100644
> --- a/net/sunrpc/rpc_pipe.c
> +++ b/net/sunrpc/rpc_pipe.c
> @@ -477,7 +477,9 @@ rpc_get_inode(struct super_block *sb, umode_t mode)
> return NULL;
> inode->i_ino = get_next_ino();
> inode->i_mode = mode;
> - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
> + inode->i_atime = current_fs_time(sb);
> + inode->i_mtime = inode->i_atime;
> + inode->i_ctime = inode->i_atime;
> switch (mode & S_IFMT) {
> case S_IFDIR:
> inode->i_fop = &simple_dir_operations;
Why would we care? This is a pseudo-fs. There is no expectation w.r.t.
timestamp accuracy or resolution.
Cheers,
Trond
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