From: Liu Bo <bo.li.liu@oracle.com>
To: linux-btrfs@vger.kernel.org
Cc: fdmanana@suse.com
Subject: [RFC PATCH v2 1/2] Btrfs: add noi_version option to disable MS_I_VERSION
Date: Wed, 17 Jun 2015 15:54:31 +0800 [thread overview]
Message-ID: <1434527672-5762-1-git-send-email-bo.li.liu@oracle.com> (raw)
MS_I_VERSION is enabled by default for btrfs, this adds an alternative
option to toggle it off.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
fs/btrfs/super.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 05fef19..e610e3e 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -324,7 +324,7 @@ enum {
Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree,
Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow,
- Opt_datasum, Opt_treelog, Opt_noinode_cache,
+ Opt_datasum, Opt_treelog, Opt_noinode_cache, Opt_noi_version,
Opt_err,
};
@@ -351,6 +351,7 @@ static match_table_t tokens = {
{Opt_nossd, "nossd"},
{Opt_acl, "acl"},
{Opt_noacl, "noacl"},
+ {Opt_noi_version, "noi_version"},
{Opt_notreelog, "notreelog"},
{Opt_treelog, "treelog"},
{Opt_flushoncommit, "flushoncommit"},
@@ -593,6 +594,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
case Opt_noacl:
root->fs_info->sb->s_flags &= ~MS_POSIXACL;
break;
+ case Opt_noi_version:
+ root->fs_info->sb->s_flags &= ~MS_I_VERSION;
+ btrfs_info(root->fs_info, "disable i_version");
+ break;
case Opt_notreelog:
btrfs_set_and_info(root, NOTREELOG,
"disabling tree log");
--
1.7.7.6
next reply other threads:[~2015-06-17 7:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-17 7:54 Liu Bo [this message]
2015-06-17 7:54 ` [RFC PATCH v2 2/2] Btrfs: improve fsync for nocow file Liu Bo
2015-06-17 15:58 ` David Sterba
2015-06-18 3:27 ` Liu Bo
2015-06-24 18:21 ` David Sterba
2015-06-25 2:24 ` Liu Bo
2015-06-25 16:10 ` David Sterba
2015-06-17 15:33 ` [RFC PATCH v2 1/2] Btrfs: add noi_version option to disable MS_I_VERSION David Sterba
2015-06-17 15:52 ` Liu Bo
2015-06-17 17:01 ` David Sterba
2015-06-18 2:46 ` Liu Bo
2015-06-18 14:38 ` i_version vs iversion (Was: Re: [RFC PATCH v2 1/2] Btrfs: add noi_version option to disable MS_I_VERSION) David Sterba
2015-06-19 11:44 ` Karel Zak
2015-06-19 11:44 ` Karel Zak
2015-06-22 20:42 ` Dave Chinner
2015-06-22 20:42 ` Dave Chinner
2015-06-24 17:28 ` David Sterba
2015-06-23 16:32 ` Theodore Ts'o
2015-06-24 8:23 ` Liu Bo
2015-06-24 18:02 ` David Sterba
2015-06-24 23:17 ` Theodore Ts'o
2015-06-24 23:17 ` Theodore Ts'o
2015-06-24 23:59 ` Dave Chinner
2015-06-24 23:59 ` Dave Chinner
2015-06-25 18:46 ` J. Bruce Fields
2015-06-25 18:46 ` J. Bruce Fields
2015-06-25 22:12 ` Theodore Ts'o
2015-06-26 13:32 ` J. Bruce Fields
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