From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp2120.oracle.com ([156.151.31.85]:48122 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750841AbeDYHX6 (ORCPT ); Wed, 25 Apr 2018 03:23:58 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w3P7LYq5127463 for ; Wed, 25 Apr 2018 07:23:57 GMT Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2120.oracle.com with ESMTP id 2hfwy9n6bq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 25 Apr 2018 07:23:57 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w3P7NuqE028699 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 25 Apr 2018 07:23:56 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w3P7Nup5005125 for ; Wed, 25 Apr 2018 07:23:56 GMT From: Anand Jain To: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs: kill btrfs_raid_type_names[] Date: Wed, 25 Apr 2018 15:26:08 +0800 Message-Id: <20180425072608.25445-1-anand.jain@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Add a new member struct btrfs_raid_attr::raid_name so that btrfs_raid_array[] can maintain the name of the raid type, and so we can kill btrfs_raid_type_names[]. Signed-off-by: Anand Jain --- fs/btrfs/extent-tree.c | 18 ------------------ fs/btrfs/volumes.c | 15 +++++++++++++++ fs/btrfs/volumes.h | 3 +++ 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 90d28a3727c6..4742734a73d7 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -7338,24 +7338,6 @@ wait_block_group_cache_done(struct btrfs_block_group_cache *cache) return ret; } -static const char *btrfs_raid_type_names[BTRFS_NR_RAID_TYPES] = { - [BTRFS_RAID_RAID10] = "raid10", - [BTRFS_RAID_RAID1] = "raid1", - [BTRFS_RAID_DUP] = "dup", - [BTRFS_RAID_RAID0] = "raid0", - [BTRFS_RAID_SINGLE] = "single", - [BTRFS_RAID_RAID5] = "raid5", - [BTRFS_RAID_RAID6] = "raid6", -}; - -static const char *get_raid_name(enum btrfs_raid_types type) -{ - if (type >= BTRFS_NR_RAID_TYPES) - return NULL; - - return btrfs_raid_type_names[type]; -} - enum btrfs_loop_type { LOOP_CACHING_NOWAIT = 0, LOOP_CACHING_WAIT = 1, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 9c29fdca9075..04b8d602dc08 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -52,6 +52,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 1, .devs_increment = 2, .ncopies = 2, + .raid_name ="raid10", }, [BTRFS_RAID_RAID1] = { .sub_stripes = 1, @@ -61,6 +62,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 1, .devs_increment = 2, .ncopies = 2, + .raid_name ="raid1", }, [BTRFS_RAID_DUP] = { .sub_stripes = 1, @@ -70,6 +72,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 0, .devs_increment = 1, .ncopies = 2, + .raid_name ="dup", }, [BTRFS_RAID_RAID0] = { .sub_stripes = 1, @@ -79,6 +82,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 0, .devs_increment = 1, .ncopies = 1, + .raid_name ="raid0", }, [BTRFS_RAID_SINGLE] = { .sub_stripes = 1, @@ -88,6 +92,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 0, .devs_increment = 1, .ncopies = 1, + .raid_name ="single", }, [BTRFS_RAID_RAID5] = { .sub_stripes = 1, @@ -97,6 +102,7 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 1, .devs_increment = 1, .ncopies = 2, + .raid_name ="raid5", }, [BTRFS_RAID_RAID6] = { .sub_stripes = 1, @@ -106,9 +112,18 @@ const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { .tolerated_failures = 2, .devs_increment = 1, .ncopies = 3, + .raid_name ="raid6", }, }; +const char *get_raid_name(enum btrfs_raid_types type) +{ + if (type >= BTRFS_NR_RAID_TYPES) + return NULL; + + return btrfs_raid_array[type].raid_name; +} + const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES] = { [BTRFS_RAID_RAID10] = BTRFS_BLOCK_GROUP_RAID10, [BTRFS_RAID_RAID1] = BTRFS_BLOCK_GROUP_RAID1, diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index ef220d541d4b..2acd32ce1573 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -342,6 +342,7 @@ struct btrfs_raid_attr { int tolerated_failures; /* max tolerated fail devs */ int devs_increment; /* ndevs has to be a multiple of this */ int ncopies; /* how many copies to data has */ + char *raid_name; /* name of the raid */ }; extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES]; @@ -563,6 +564,8 @@ static inline enum btrfs_raid_types btrfs_bg_flags_to_raid_index(u64 flags) return BTRFS_RAID_SINGLE; /* BTRFS_BLOCK_GROUP_SINGLE */ } +const char *get_raid_name(enum btrfs_raid_types type); + void btrfs_update_commit_device_size(struct btrfs_fs_info *fs_info); void btrfs_update_commit_device_bytes_used(struct btrfs_transaction *trans); -- 2.15.0