On Thu, Jul 26, 2018 at 09:01:19AM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> Remove the deprecated barrier and nobarrier mount options since they do
> nothing and were listed for removal some time around v4.15.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
NAK, Eric Sandeen already sent a patch doing this, will take that
instead.
--D
> ---
> Documentation/filesystems/xfs.txt | 4 ++--
> fs/xfs/xfs_mount.h | 1 -
> fs/xfs/xfs_super.c | 26 +-------------------------
> 3 files changed, 3 insertions(+), 28 deletions(-)
>
> diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt
> index 4d9ff0a7f8e1..a9ae82fb9d13 100644
> --- a/Documentation/filesystems/xfs.txt
> +++ b/Documentation/filesystems/xfs.txt
> @@ -223,8 +223,6 @@ Deprecated Mount Options
>
> Name Removal Schedule
> ---- ----------------
> - barrier no earlier than v4.15
> - nobarrier no earlier than v4.15
>
>
> Removed Mount Options
> @@ -236,6 +234,8 @@ Removed Mount Options
> ihashsize v4.0
> irixsgid v4.0
> osyncisdsync/osyncisosync v4.0
> + barrier v4.19
> + nobarrier v4.19
>
>
> sysctls
> diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
> index 16869d771b71..387b3868c66a 100644
> --- a/fs/xfs/xfs_mount.h
> +++ b/fs/xfs/xfs_mount.h
> @@ -229,7 +229,6 @@ typedef struct xfs_mount {
> #define XFS_MOUNT_SMALL_INUMS (1ULL << 14) /* user wants 32bit inodes */
> #define XFS_MOUNT_32BITINODES (1ULL << 15) /* inode32 allocator active */
> #define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */
> -#define XFS_MOUNT_BARRIER (1ULL << 17)
> #define XFS_MOUNT_IKEEP (1ULL << 18) /* keep empty inode clusters*/
> #define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width
> * allocation */
> diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> index 9dd7df216fc3..afe59ce33876 100644
> --- a/fs/xfs/xfs_super.c
> +++ b/fs/xfs/xfs_super.c
> @@ -65,7 +65,7 @@ enum {
> Opt_logbufs, Opt_logbsize, Opt_logdev, Opt_rtdev, Opt_biosize,
> Opt_wsync, Opt_noalign, Opt_swalloc, Opt_sunit, Opt_swidth, Opt_nouuid,
> Opt_mtpt, Opt_grpid, Opt_nogrpid, Opt_bsdgroups, Opt_sysvgroups,
> - Opt_allocsize, Opt_norecovery, Opt_barrier, Opt_nobarrier,
> + Opt_allocsize, Opt_norecovery,
> Opt_inode64, Opt_inode32, Opt_ikeep, Opt_noikeep,
> Opt_largeio, Opt_nolargeio, Opt_attr2, Opt_noattr2, Opt_filestreams,
> Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota, Opt_prjquota,
> @@ -120,12 +120,6 @@ static const match_table_t tokens = {
> {Opt_nodiscard, "nodiscard"}, /* Do not discard unused blocks */
>
> {Opt_dax, "dax"}, /* Enable direct access to bdev pages */
> -
> - /* Deprecated mount options scheduled for removal */
> - {Opt_barrier, "barrier"}, /* use writer barriers for log write and
> - * unwritten extent conversion */
> - {Opt_nobarrier, "nobarrier"}, /* .. disable */
> -
> {Opt_err, NULL},
> };
>
> @@ -209,7 +203,6 @@ xfs_parseargs(
> * Set some default flags that could be cleared by the mount option
> * parsing.
> */
> - mp->m_flags |= XFS_MOUNT_BARRIER;
> mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
>
> /*
> @@ -362,14 +355,6 @@ xfs_parseargs(
> mp->m_flags |= XFS_MOUNT_DAX;
> break;
> #endif
> - case Opt_barrier:
> - xfs_warn(mp, "%s option is deprecated, ignoring.", p);
> - mp->m_flags |= XFS_MOUNT_BARRIER;
> - break;
> - case Opt_nobarrier:
> - xfs_warn(mp, "%s option is deprecated, ignoring.", p);
> - mp->m_flags &= ~XFS_MOUNT_BARRIER;
> - break;
> default:
> xfs_warn(mp, "unknown mount option [%s].", p);
> return -EINVAL;
> @@ -487,7 +472,6 @@ xfs_showargs(
> static struct proc_xfs_info xfs_info_unset[] = {
> /* the few simple ones we can get from the mount struct */
> { XFS_MOUNT_COMPAT_IOSIZE, ",largeio" },
> - { XFS_MOUNT_BARRIER, ",nobarrier" },
> { XFS_MOUNT_SMALL_INUMS, ",inode64" },
> { 0, NULL }
> };
> @@ -1322,14 +1306,6 @@ xfs_fs_remount(
>
> token = match_token(p, tokens, args);
> switch (token) {
> - case Opt_barrier:
> - xfs_warn(mp, "%s option is deprecated, ignoring.", p);
> - mp->m_flags |= XFS_MOUNT_BARRIER;
> - break;
> - case Opt_nobarrier:
> - xfs_warn(mp, "%s option is deprecated, ignoring.", p);
> - mp->m_flags &= ~XFS_MOUNT_BARRIER;
> - break;
> case Opt_inode64:
> mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
> mp->m_maxagi = xfs_set_inode_alloc(mp, sbp->sb_agcount);
> --
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