From: Steven Whitehouse <swhiteho@redhat.com>
To: Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org
Cc: linux-arch@vger.kernel.org, joseph@codesourcery.com,
john.stultz@linaro.org, hch@infradead.org, tglx@linutronix.de,
geert@linux-m68k.org, lftan@altera.com, hpa@zytor.com,
linux-fsdevel@vger.kernel.org, cluster-devel@redhat.com
Subject: Re: [RFC 25/32] gfs2: convert to struct inode_time
Date: Mon, 02 Jun 2014 10:52:44 +0100 [thread overview]
Message-ID: <538C496C.1030203@redhat.com> (raw)
In-Reply-To: <1401480116-1973111-26-git-send-email-arnd@arndb.de>
Hi,
On 30/05/14 21:01, Arnd Bergmann wrote:
> gfs2 uses 64-bit integers for inode timestamps, which will work
> basically forever, but the VFS uses struct timespec for timestamps,
> which is only good until 2038 on 32-bit CPUs.
>
> This gets us one small step closer to lifting the VFS limit by using
> struct inode_time in gfs2.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Cc: Steven Whitehouse <swhiteho@redhat.com>
> Cc: cluster-devel@redhat.com
> ---
> fs/gfs2/dir.c | 6 +++---
> fs/gfs2/glops.c | 4 ++--
> 2 files changed, 5 insertions(+), 5 deletions(-)
Subject to deciding the internal representation of struct inode_time,
this looks good to me.
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Steve.
> diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
> index 1a349f9..ec57538 100644
> --- a/fs/gfs2/dir.c
> +++ b/fs/gfs2/dir.c
> @@ -835,7 +835,7 @@ static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh,
> struct gfs2_leaf *leaf;
> struct gfs2_dirent *dent;
> struct qstr name = { .name = "" };
> - struct timespec tv = CURRENT_TIME;
> + struct inode_time tv = CURRENT_TIME;
>
> error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
> if (error)
> @@ -1716,7 +1716,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name,
> struct gfs2_inode *ip = GFS2_I(inode);
> struct buffer_head *bh = da->bh;
> struct gfs2_dirent *dent = da->dent;
> - struct timespec tv;
> + struct inode_time tv;
> struct gfs2_leaf *leaf;
> int error;
>
> @@ -1794,7 +1794,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry)
> const struct qstr *name = &dentry->d_name;
> struct gfs2_dirent *dent, *prev = NULL;
> struct buffer_head *bh;
> - struct timespec tv = CURRENT_TIME;
> + struct inode_time tv = CURRENT_TIME;
>
> /* Returns _either_ the entry (if its first in block) or the
> previous entry otherwise */
> diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
> index fc11007..b55308f 100644
> --- a/fs/gfs2/glops.c
> +++ b/fs/gfs2/glops.c
> @@ -318,7 +318,7 @@ static void gfs2_set_nlink(struct inode *inode, u32 nlink)
> static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
> {
> const struct gfs2_dinode *str = buf;
> - struct timespec atime;
> + struct inode_time atime;
> u16 height, depth;
>
> if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
> @@ -341,7 +341,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
> gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
> atime.tv_sec = be64_to_cpu(str->di_atime);
> atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
> - if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0)
> + if (inode_time_compare(&ip->i_inode.i_atime, &atime) < 0)
> ip->i_inode.i_atime = atime;
> ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
> ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
next prev parent reply other threads:[~2014-06-02 9:53 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-30 20:01 [RFC 00/32] making inode time stamps y2038 ready Arnd Bergmann
2014-05-30 20:01 ` [RFC 01/32] fs: introduce new 'struct inode_time' Arnd Bergmann
2014-05-31 7:56 ` Geert Uytterhoeven
2014-05-31 8:39 ` Andreas Schwab
2014-05-31 13:19 ` Geert Uytterhoeven
2014-05-31 13:46 ` Andreas Schwab
2014-05-31 14:54 ` Arnd Bergmann
2014-05-31 16:15 ` Geert Uytterhoeven
2014-05-31 9:03 ` H. Peter Anvin
2014-05-31 14:53 ` Arnd Bergmann
2014-05-31 14:55 ` H. Peter Anvin
2014-05-30 20:01 ` [RFC 02/32] uapi: add struct __kernel_timespec{32,64} Arnd Bergmann
2014-05-30 20:18 ` H. Peter Anvin
2014-05-31 15:09 ` Arnd Bergmann
2014-05-30 20:01 ` [RFC 03/32] fs: introduce sys_utimens64at Arnd Bergmann
2014-05-31 9:22 ` Andreas Schwab
2014-05-31 14:55 ` Arnd Bergmann
2014-05-30 20:01 ` [RFC 04/32] fs: introduce sys_newfstat64/sys_newfstatat64 Arnd Bergmann
2014-05-30 20:01 ` [RFC 05/32] arch: hook up new stat and utimes syscalls Arnd Bergmann
2014-05-30 20:01 ` [RFC 06/32] isofs: fix timestamps beyond 2027 Arnd Bergmann
2014-05-31 7:59 ` Geert Uytterhoeven
2014-05-31 8:47 ` H. Peter Anvin
2014-05-30 20:01 ` [RFC 07/32] fs/nfs: convert to struct inode_time Arnd Bergmann
2014-05-30 20:01 ` [RFC 08/32] fs/ceph: convert to 'struct inode_time' Arnd Bergmann
2014-05-30 20:01 ` [RFC 09/32] fs/pstore: convert to struct inode_time Arnd Bergmann
2014-05-30 21:14 ` Kees Cook
2014-05-30 20:01 ` [RFC 10/32] fs/coda: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 11/32] xfs: " Arnd Bergmann
2014-05-31 0:37 ` Dave Chinner
2014-05-31 0:41 ` H. Peter Anvin
2014-05-31 1:14 ` Dave Chinner
2014-05-31 1:22 ` H. Peter Anvin
2014-05-31 5:54 ` Dave Chinner
2014-05-31 8:41 ` H. Peter Anvin
2014-05-31 15:46 ` Nicolas Pitre
2014-06-01 19:56 ` Arnd Bergmann
2014-06-01 20:26 ` H. Peter Anvin
2014-06-02 11:02 ` Arnd Bergmann
2014-06-02 1:36 ` Nicolas Pitre
2014-06-02 2:22 ` Dave Chinner
2014-06-02 7:09 ` Geert Uytterhoeven
2014-06-02 10:56 ` Arnd Bergmann
2014-06-02 11:57 ` Theodore Ts'o
2014-06-02 12:38 ` Arnd Bergmann
2014-06-02 13:15 ` Theodore Ts'o
2014-06-02 12:52 ` Arnd Bergmann
2014-06-02 13:07 ` Theodore Ts'o
2014-06-02 15:01 ` Arnd Bergmann
2014-06-02 14:52 ` H. Peter Anvin
2014-06-02 15:04 ` Chuck Lever
2014-06-02 15:31 ` Theodore Ts'o
2014-06-02 17:12 ` H. Peter Anvin
2014-06-02 18:50 ` Arnd Bergmann
2014-06-02 22:29 ` Theodore Ts'o
2014-06-02 22:32 ` H. Peter Anvin
2014-06-02 23:32 ` Theodore Ts'o
2014-06-02 23:33 ` H. Peter Anvin
2014-06-03 13:09 ` Roger Willcocks
2014-06-02 18:52 ` Arnd Bergmann
2014-06-02 18:58 ` Roger Willcocks
2014-06-02 19:04 ` Chuck Lever
2014-06-02 19:10 ` Arnd Bergmann
2014-06-01 0:39 ` Dave Chinner
2014-06-02 14:00 ` Joseph S. Myers
2014-05-31 15:37 ` Arnd Bergmann
2014-06-01 0:24 ` Dave Chinner
2014-06-02 0:28 ` Dave Chinner
2014-06-02 11:35 ` Roger Willcocks
2014-06-02 11:43 ` Arnd Bergmann
2014-06-03 0:32 ` Dave Chinner
2014-06-03 7:33 ` Arnd Bergmann
2014-06-03 8:41 ` Dave Chinner
2014-06-03 9:16 ` Arnd Bergmann
2014-05-30 20:01 ` [RFC 12/32] btrfs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 13/32] ext3: " Arnd Bergmann
2014-05-31 9:10 ` H. Peter Anvin
2014-05-31 14:32 ` Arnd Bergmann
2014-05-30 20:01 ` [RFC 14/32] ext4: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 15/32] cifs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 16/32] ntfs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 17/32] ubifs: " Arnd Bergmann
2014-06-02 7:54 ` Artem Bityutskiy
2014-05-30 20:01 ` [RFC 18/32] ocfs2: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 19/32] fs/fat: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 20/32] afs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 21/32] udf: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 22/32] fs: convert simple fs to inode_time Arnd Bergmann
2014-05-30 23:06 ` Greg Kroah-Hartman
2014-05-30 20:01 ` [RFC 23/32] logfs: convert to struct inode_time Arnd Bergmann
2014-05-30 20:01 ` [RFC 24/32] hfs, hfsplus: " Arnd Bergmann
2014-05-31 14:23 ` Vyacheslav Dubeyko
2014-05-30 20:01 ` [RFC 25/32] gfs2: " Arnd Bergmann
2014-06-02 9:52 ` Steven Whitehouse [this message]
2014-05-30 20:01 ` [RFC 26/32] reiserfs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 27/32] jffs2: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 28/32] adfs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 29/32] f2fs: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 30/32] fuse: " Arnd Bergmann
2014-05-30 20:01 ` [RFC 31/32] scsi: fnic: use current_kernel_time() for timestamp Arnd Bergmann
2014-05-30 20:01 ` [RFC 32/32] fs: use new inode_time definition unconditionally Arnd Bergmann
2014-05-31 14:30 ` [RFC 00/32] making inode time stamps y2038 ready Vyacheslav Dubeyko
2014-06-03 12:21 ` Arnd Bergmann
2014-05-31 14:51 ` Richard Cochran
2014-05-31 15:23 ` Arnd Bergmann
2014-05-31 18:22 ` Richard Cochran
2014-05-31 19:34 ` H. Peter Anvin
2014-06-01 4:46 ` Richard Cochran
2014-06-01 4:44 ` Richard Cochran
2014-06-02 13:52 ` Joseph S. Myers
2014-06-02 19:19 ` Arnd Bergmann
2014-06-02 19:26 ` H. Peter Anvin
2014-06-02 19:55 ` Arnd Bergmann
2014-06-02 21:57 ` H. Peter Anvin
2014-06-03 14:22 ` Arnd Bergmann
2014-06-03 14:33 ` Joseph S. Myers
2014-06-03 14:37 ` Arnd Bergmann
2014-06-03 21:38 ` Dave Chinner
2014-06-04 15:03 ` Arnd Bergmann
2014-06-04 17:30 ` Nicolas Pitre
2014-06-04 19:24 ` Arnd Bergmann
2014-06-05 0:10 ` H. Peter Anvin
2014-06-10 9:54 ` Arnd Bergmann
2014-06-02 21:02 ` Joseph S. Myers
2014-06-04 15:05 ` Arnd Bergmann
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