From patchwork Thu Nov 7 13:02:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13866440 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 387CC212D39 for ; Thu, 7 Nov 2024 13:06:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730984790; cv=none; b=i/kwJO6ZCRwhHEju0uNuN2/p6YR52aeL1er+zxCOLanXY8LU2usDO2ewhx9IqnfmiGb+pOUdTPyYA17N4SUkLR+xRz7WP924xC9PzKIQb3RuUSBqFhjDeIEXqOToXcHmdzV+58UoxMX190jUqzYKDE1w4n55QBMzoCDLXh1nNqs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730984790; c=relaxed/simple; bh=TPorSTeB2btH6tUpZR5dOyH+TQH31QNbfpD3yQMpU1E=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=uuOVw2U7wjGYFLrCvbgVNuHOrpTRIbVQx2zXw+preheahBKmvRWJR8MdvXzN2G+wiYIgv5uXH7C8xko9pvPRWdFU1p3+P5Ow3TNdEILg7NksTQE/H8JBCohjcb+s5/zbKdEQ0j4CigK0TpB2RNm5JKzGggULcdWV+eOjVUPV00k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4Xkj4b175Mz4f3jXT for ; Thu, 7 Nov 2024 21:06:07 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 2E0971A018D for ; Thu, 7 Nov 2024 21:06:25 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP4 (Coremail) with SMTP id gCh0CgCnzoJPuyxnnCtzBA--.58960S7; Thu, 07 Nov 2024 21:06:24 +0800 (CST) From: Yu Kuai To: mariusz.tkaczyk@linux.intel.com, linux-raid@vger.kernel.org Cc: yukuai3@huawei.com, yangerkun@huawei.com Subject: [PATCH v3 3/3] mdadm: remove bitmap file support Date: Thu, 7 Nov 2024 21:02:53 +0800 Message-Id: <20241107130253.315551-4-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20241107130253.315551-1-yukuai1@huaweicloud.com> References: <20241107130253.315551-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgCnzoJPuyxnnCtzBA--.58960S7 X-Coremail-Antispam: 1UD129KBjvAXoWfAF48AF1xJF1fJrW8tw1fWFg_yoW8KrWrCo WIva45uF4rur10q342yrnxtFZIgw1UKw1SyF1UKr9xuw4UX34Y9rWxWw43WasxXr4YgF93 t3yxXr15Ga18Jry3n29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjp_UUUYL7kC6x804xWl14x267AKxVW5JVWrJwAFc2x0x2IEx4CE42xK 8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr Wl82xGYIkIc2x26xkF7I0E14v26r4j6ryUM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc Ij6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_ Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI0_JF0_Jw1l42xK82IYc2Ij64vIr4 1l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK 67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI 8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAv wI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14 v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7IU8go7tUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai Because it's marked deprecated for a long time now, and it's not worthy to support it for new bitmap. Now that we don't need to store filename for bitmap, also declare a new enum type bitmap_type to simplify code. Signed-off-by: Yu Kuai --- Assemble.c | 33 +----------------- Build.c | 35 +------------------ Create.c | 39 ++++----------------- Grow.c | 94 ++++++--------------------------------------------- Incremental.c | 37 +------------------- bitmap.c | 44 +++++++++++++----------- config.c | 17 +++++++--- mdadm.c | 76 ++++++++++++++++++----------------------- mdadm.h | 18 ++++++---- 9 files changed, 99 insertions(+), 294 deletions(-) diff --git a/Assemble.c b/Assemble.c index 87d1ae04..37a530ee 100644 --- a/Assemble.c +++ b/Assemble.c @@ -633,7 +633,6 @@ static int load_devices(struct devs *devices, char *devmap, struct mddev_dev *tmpdev; int devcnt = 0; int nextspare = 0; - int bitmap_done = 0; int most_recent = -1; int bestcnt = 0; int *best = *bestp; @@ -661,7 +660,7 @@ static int load_devices(struct devs *devices, char *devmap, if (c->update == UOPT_UUID && !ident->uuid_set) random_uuid((__u8 *)ident->uuid); - if (c->update == UOPT_PPL && ident->bitmap_fd >= 0) { + if (c->update == UOPT_PPL && ident->btype != BitmapNone) { pr_err("PPL is not compatible with bitmap\n"); close(mdfd); free(devices); @@ -728,16 +727,6 @@ static int load_devices(struct devs *devices, char *devmap, if (tst->ss->store_super(tst, dfd)) pr_err("Could not re-write superblock on %s.\n", devname); - - if (c->update == UOPT_UUID && - ident->bitmap_fd >= 0 && !bitmap_done) { - if (bitmap_update_uuid(ident->bitmap_fd, - content->uuid, - tst->ss->swapuuid) != 0) - pr_err("Could not update uuid on external bitmap.\n"); - else - bitmap_done = 1; - } } else { dfd = dev_open(devname, tmpdev->disposition == 'I' @@ -1057,26 +1046,6 @@ static int start_array(int mdfd, mddev, strerror(errno)); return 1; } - if (ident->bitmap_fd >= 0) { - if (ioctl(mdfd, SET_BITMAP_FILE, ident->bitmap_fd) != 0) { - pr_err("SET_BITMAP_FILE failed.\n"); - return 1; - } - } else if (ident->bitmap_file) { - /* From config file */ - int bmfd = open(ident->bitmap_file, O_RDWR); - if (bmfd < 0) { - pr_err("Could not open bitmap file %s\n", - ident->bitmap_file); - return 1; - } - if (ioctl(mdfd, SET_BITMAP_FILE, bmfd) != 0) { - pr_err("Failed to set bitmapfile for %s\n", mddev); - close(bmfd); - return 1; - } - close(bmfd); - } /* First, add the raid disks, but add the chosen one last */ for (i = 0; i <= bestcnt; i++) { diff --git a/Build.c b/Build.c index 6f63d3f3..70aab7a0 100644 --- a/Build.c +++ b/Build.c @@ -40,8 +40,6 @@ int Build(struct mddev_ident *ident, struct mddev_dev *devlist, struct shape *s, dev_t rdev; int subdevs = 0, missing_disks = 0; struct mddev_dev *dv; - int bitmap_fd; - unsigned long long bitmapsize; int mdfd; char chosen_name[1024]; int uuid[4] = {0,0,0,0}; @@ -110,13 +108,6 @@ int Build(struct mddev_ident *ident, struct mddev_dev *devlist, struct shape *s, goto abort; } - if (s->bitmap_file && str_is_none(s->bitmap_file) == true) - s->bitmap_file = NULL; - if (s->bitmap_file && s->level <= 0) { - pr_err("bitmaps not meaningful with level %s\n", - map_num(pers, s->level)?:"given"); - goto abort; - } /* now add the devices */ for ((i=0), (dv = devlist) ; dv ; i++, dv=dv->next) { mdu_disk_info_t disk; @@ -150,31 +141,7 @@ int Build(struct mddev_ident *ident, struct mddev_dev *devlist, struct shape *s, goto abort; } } - /* now to start it */ - if (s->bitmap_file) { - bitmap_fd = open(s->bitmap_file, O_RDWR); - if (bitmap_fd < 0) { - int major = BITMAP_MAJOR_HI; - bitmapsize = s->size >> 9; /* FIXME wrong for RAID10 */ - if (CreateBitmap(s->bitmap_file, 1, NULL, - s->bitmap_chunk, c->delay, - s->write_behind, bitmapsize, major)) { - goto abort; - } - bitmap_fd = open(s->bitmap_file, O_RDWR); - if (bitmap_fd < 0) { - pr_err("%s cannot be opened.\n", s->bitmap_file); - goto abort; - } - } - if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) { - pr_err("Cannot set bitmap file for %s: %s\n", chosen_name, - strerror(errno)); - close(bitmap_fd); - goto abort; - } - close(bitmap_fd); - } + if (ioctl(mdfd, RUN_ARRAY, ¶m)) { pr_err("RUN_ARRAY failed: %s\n", strerror(errno)); if (s->chunk & (s->chunk - 1)) { diff --git a/Create.c b/Create.c index 140a7098..ade677cd 100644 --- a/Create.c +++ b/Create.c @@ -521,7 +521,6 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, int insert_point = subdevs * 2; /* where to insert a missing drive */ int total_slots; int rv; - int bitmap_fd; int have_container = 0; int container_fd = -1; int need_mdmon = 0; @@ -534,9 +533,9 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, struct map_ent *map = NULL; unsigned long long newsize; mdu_array_info_t inf; - int major_num = BITMAP_MAJOR_HI; - if (s->bitmap_file && strcmp(s->bitmap_file, "clustered") == 0) { + + if (s->btype == BitmapCluster) { major_num = BITMAP_MAJOR_CLUSTERED; if (c->nodes <= 1) { pr_err("At least 2 nodes are needed for cluster-md\n"); @@ -618,7 +617,7 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, pr_err("You haven't given enough devices (real or missing) to create this array\n"); return 1; } - if (s->bitmap_file && s->level <= 0) { + if (s->btype != BitmapNone && s->btype != BitmapUnknown && s->level <= 0) { pr_err("bitmaps not meaningful with level %s\n", map_num(pers, s->level)?:"given"); return 1; @@ -949,7 +948,7 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, } } - if (!s->bitmap_file && + if (s->btype == BitmapNone && !st->ss->external && s->level >= 1 && st->ss->add_internal_bitmap && @@ -959,10 +958,8 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, (s->write_behind || s->size > 100*1024*1024ULL)) { if (c->verbose > 0) pr_err("automatically enabling write-intent bitmap on large array\n"); - s->bitmap_file = "internal"; + s->btype = BitmapInternal; } - if (s->bitmap_file && str_is_none(s->bitmap_file) == true) - s->bitmap_file = NULL; if (s->consistency_policy == CONSISTENCY_POLICY_PPL && !st->ss->write_init_ppl) { @@ -1198,8 +1195,7 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, * to stop another mdadm from finding and using those devices. */ - if (s->bitmap_file && (strcmp(s->bitmap_file, "internal") == 0 || - strcmp(s->bitmap_file, "clustered") == 0)) { + if (s->btype == BitmapInternal || s->btype == BitmapCluster) { if (!st->ss->add_internal_bitmap) { pr_err("internal bitmaps not supported with %s metadata\n", st->ss->name); @@ -1211,7 +1207,6 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, pr_err("Given bitmap chunk size not supported.\n"); goto abort_locked; } - s->bitmap_file = NULL; } if (sysfs_init(&info, mdfd, NULL)) { @@ -1253,28 +1248,6 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs, goto abort_locked; } - if (s->bitmap_file) { - int uuid[4]; - - st->ss->uuid_from_super(st, uuid); - if (CreateBitmap(s->bitmap_file, c->force, (char*)uuid, s->bitmap_chunk, - c->delay, s->write_behind, - bitmapsize, - major_num)) { - goto abort_locked; - } - bitmap_fd = open(s->bitmap_file, O_RDWR); - if (bitmap_fd < 0) { - pr_err("weird: %s cannot be opened\n", - s->bitmap_file); - goto abort_locked; - } - if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) { - pr_err("Cannot set bitmap file for %s: %s\n", chosen_name, strerror(errno)); - goto abort_locked; - } - } - if (add_disks(mdfd, &info, s, c, st, &map, devlist, total_slots, have_container, insert_point, major_num, chosen_name)) goto abort_locked; diff --git a/Grow.c b/Grow.c index 31786941..cc1be6cc 100644 --- a/Grow.c +++ b/Grow.c @@ -285,7 +285,6 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) * find all the active devices, and write the bitmap block * to all devices */ - mdu_bitmap_file_t bmf; mdu_array_info_t array; struct supertype *st; char *subarray = NULL; @@ -294,40 +293,21 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) struct mdinfo *mdi; /* - * We only ever get called if s->bitmap_file is != NULL, so this check + * We only ever get called if bitmap is not none, so this check * is just here to quiet down static code checkers. */ - if (!s->bitmap_file) + if (s->btype == BitmapUnknown) return 1; - if (strcmp(s->bitmap_file, "clustered") == 0) + if (s->btype == BitmapCluster) major = BITMAP_MAJOR_CLUSTERED; - if (ioctl(fd, GET_BITMAP_FILE, &bmf) != 0) { - if (errno == ENOMEM) - pr_err("Memory allocation failure.\n"); - else - pr_err("bitmaps not supported by this kernel.\n"); - return 1; - } - if (bmf.pathname[0]) { - if (str_is_none(s->bitmap_file) == true) { - if (ioctl(fd, SET_BITMAP_FILE, -1) != 0) { - pr_err("failed to remove bitmap %s\n", - bmf.pathname); - return 1; - } - return 0; - } - pr_err("%s already has a bitmap (%s)\n", devname, bmf.pathname); - return 1; - } if (md_get_array_info(fd, &array) != 0) { pr_err("cannot get array status for %s\n", devname); return 1; } if (array.state & (1 << MD_SB_BITMAP_PRESENT)) { - if (str_is_none(s->bitmap_file) == true) { + if (s->btype == BitmapNone) { array.state &= ~(1 << MD_SB_BITMAP_PRESENT); if (md_set_array_info(fd, &array) != 0) { if (array.state & (1 << MD_SB_CLUSTERED)) @@ -342,10 +322,11 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) return 1; } - if (str_is_none(s->bitmap_file) == true) { + if (s->btype == BitmapNone) { pr_err("no bitmap found on %s\n", devname); return 1; } + if (array.level <= 0) { pr_err("Bitmaps not meaningful with level %s\n", map_num(pers, array.level)?:"of this array"); @@ -371,7 +352,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) ncopies = (array.layout & 255) * ((array.layout >> 8) & 255); bitmapsize = bitmapsize * array.raid_disks / ncopies; - if (strcmp(s->bitmap_file, "clustered") == 0 && + if (s->btype == BitmapCluster && !is_near_layout_10(array.layout)) { pr_err("only near layout is supported with clustered raid10\n"); return 1; @@ -402,8 +383,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) free(mdi); } - if (strcmp(s->bitmap_file, "internal") == 0 || - strcmp(s->bitmap_file, "clustered") == 0) { + if (s->btype == BitmapInternal || s->btype == BitmapCluster) { int rv; int d; int offset_setable = 0; @@ -432,7 +412,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) if (!dv) continue; if ((disk.state & (1 << MD_DISK_WRITEMOSTLY)) && - (strcmp(s->bitmap_file, "clustered") == 0)) { + s->btype == BitmapCluster) { pr_err("%s disks marked write-mostly are not supported with clustered bitmap\n",devname); free(mdi); return 1; @@ -471,7 +451,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) mdi->bitmap_offset); free(mdi); } else { - if (strcmp(s->bitmap_file, "clustered") == 0) + if (s->btype == BitmapCluster) array.state |= (1 << MD_SB_CLUSTERED); array.state |= (1 << MD_SB_BITMAP_PRESENT); rv = md_set_array_info(fd, &array); @@ -482,60 +462,6 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) pr_err("failed to set internal bitmap.\n"); return 1; } - } else { - int uuid[4]; - int bitmap_fd; - int d; - int max_devs = st->max_devs; - - /* try to load a superblock */ - for (d = 0; d < max_devs; d++) { - mdu_disk_info_t disk; - char *dv; - int fd2; - disk.number = d; - if (md_get_disk_info(fd, &disk) < 0) - continue; - if ((disk.major==0 && disk.minor == 0) || - (disk.state & (1 << MD_DISK_REMOVED))) - continue; - dv = map_dev(disk.major, disk.minor, 1); - if (!dv) - continue; - fd2 = dev_open(dv, O_RDONLY); - if (fd2 >= 0) { - if (st->ss->load_super(st, fd2, NULL) == 0) { - close(fd2); - st->ss->uuid_from_super(st, uuid); - break; - } - close(fd2); - } - } - if (d == max_devs) { - pr_err("cannot find UUID for array!\n"); - return 1; - } - if (CreateBitmap(s->bitmap_file, c->force, (char*)uuid, - s->bitmap_chunk, c->delay, s->write_behind, - bitmapsize, major)) { - return 1; - } - bitmap_fd = open(s->bitmap_file, O_RDWR); - if (bitmap_fd < 0) { - pr_err("weird: %s cannot be opened\n", s->bitmap_file); - return 1; - } - if (ioctl(fd, SET_BITMAP_FILE, bitmap_fd) < 0) { - int err = errno; - if (errno == EBUSY) - pr_err("Cannot add bitmap while array is resyncing or reshaping etc.\n"); - pr_err("Cannot set bitmap file for %s: %s\n", - devname, strerror(err)); - close_fd(&bitmap_fd); - return 1; - } - close_fd(&bitmap_fd); } return 0; diff --git a/Incremental.c b/Incremental.c index 5e59b6d1..aa5db3bf 100644 --- a/Incremental.c +++ b/Incremental.c @@ -544,21 +544,7 @@ int Incremental(struct mddev_dev *devlist, struct context *c, cont_err("by --incremental. Please use --assemble\n"); goto out; } - if (match && match->bitmap_file) { - int bmfd = open(match->bitmap_file, O_RDWR); - if (bmfd < 0) { - pr_err("Could not open bitmap file %s.\n", - match->bitmap_file); - goto out; - } - if (ioctl(mdfd, SET_BITMAP_FILE, bmfd) != 0) { - close(bmfd); - pr_err("Failed to set bitmapfile for %s.\n", - chosen_name); - goto out; - } - close(bmfd); - } + /* Need to remove from the array any devices which * 'count_active' discerned were too old or inappropriate */ @@ -1400,28 +1386,7 @@ restart: if (mddev->devname && me->path && devname_matches(mddev->devname, me->path)) break; - if (mddev && mddev->bitmap_file) { - /* - * Note: early kernels will wrongly fail this, so it - * is a hint only - */ - int added = -1; - int bmfd; - bmfd = open(mddev->bitmap_file, O_RDWR); - if (is_fd_valid(bmfd)) { - added = ioctl(mdfd, SET_BITMAP_FILE, bmfd); - close_fd(&bmfd); - } - if (c->verbose >= 0) { - if (added == 0) - pr_err("Added bitmap %s to %s\n", - mddev->bitmap_file, me->path); - else if (errno != EEXIST) - pr_err("Failed to add bitmap to %s: %s\n", - me->path, strerror(errno)); - } - } /* FIXME check for reshape_active and consider not * starting array. */ diff --git a/bitmap.c b/bitmap.c index 5110ae2f..c62d18d4 100644 --- a/bitmap.c +++ b/bitmap.c @@ -200,28 +200,32 @@ bitmap_file_open(char *filename, struct supertype **stp, int node_num, int fd) close(fd); return -1; } - if ((stb.st_mode & S_IFMT) == S_IFBLK) { - /* block device, so we are probably after an internal bitmap */ - if (!st) - st = guess_super(fd); - if (!st) { - /* just look at device... */ - lseek(fd, 0, 0); - } else if (!st->ss->locate_bitmap) { - pr_err("No bitmap possible with %s metadata\n", - st->ss->name); - close(fd); - return -1; - } else { - if (st->ss->locate_bitmap(st, fd, node_num)) { - pr_err("%s doesn't have bitmap\n", filename); - close(fd); - fd = -1; - } - } - *stp = st; + + if ((stb.st_mode & S_IFMT) != S_IFBLK) { + pr_err("bitmap file is not supported %s\n", filename); + close(fd); + return -1; + } + + if (!st) + st = guess_super(fd); + + if (!st) { + /* just look at device... */ + lseek(fd, 0, 0); + } else if (!st->ss->locate_bitmap) { + pr_err("No bitmap possible with %s metadata\n", st->ss->name); + close(fd); + return -1; + } + + if (st->ss->locate_bitmap(st, fd, node_num)) { + pr_err("%s doesn't have bitmap\n", filename); + close(fd); + fd = -1; } + *stp = st; return fd; } diff --git a/config.c b/config.c index 3359504d..8a8ae5e4 100644 --- a/config.c +++ b/config.c @@ -171,8 +171,7 @@ inline void ident_init(struct mddev_ident *ident) assert(ident); ident->assembled = false; - ident->bitmap_fd = -1; - ident->bitmap_file = NULL; + ident->btype = BitmapUnknown; ident->container = NULL; ident->devices = NULL; ident->devname = NULL; @@ -542,11 +541,19 @@ void arrayline(char *line) /* Ignore name in confile */ continue; } else if (strncasecmp(w, "bitmap=", 7) == 0) { - if (mis.bitmap_file) + if (mis.btype != BitmapUnknown) pr_err("only specify bitmap file once. %s ignored\n", w); - else - mis.bitmap_file = xstrdup(w + 7); + else { + char *bname = xstrdup(w + 7); + + if (strcmp(bname, STR_COMMON_NONE) == 0) + mis.btype = BitmapNone; + else if (strcmp(bname, "internal") == 0) + mis.btype = BitmapInternal; + else if (strcmp(bname, "clustered") == 0) + mis.btype = BitmapCluster; + } } else if (strncasecmp(w, "devices=", 8 ) == 0) { if (mis.devices) diff --git a/mdadm.c b/mdadm.c index 8cb4ba66..605ccec9 100644 --- a/mdadm.c +++ b/mdadm.c @@ -41,18 +41,23 @@ */ static mdadm_status_t set_bitmap_value(struct shape *s, struct context *c, char *val) { - if (s->bitmap_file) { + if (s->btype != BitmapUnknown) { pr_err("--bitmap cannot be set twice. Second value: \"%s\".\n", val); return MDADM_STATUS_ERROR; } - if (strcmp(val, "internal") == 0 || strcmp(optarg, STR_COMMON_NONE) == 0) { - s->bitmap_file = val; + if (strcmp(optarg, STR_COMMON_NONE) == 0) { + s->btype = BitmapNone; + return MDADM_STATUS_SUCCESS; + } + + if (strcmp(val, "internal") == 0) { + s->btype = BitmapInternal; return MDADM_STATUS_SUCCESS; } if (strcmp(val, "clustered") == 0) { - s->bitmap_file = val; + s->btype = BitmapCluster; /* Set the default number of cluster nodes * to 4 if not already set by user */ @@ -62,17 +67,12 @@ static mdadm_status_t set_bitmap_value(struct shape *s, struct context *c, char } if (strchr(val, '/')) { - pr_info("Custom write-intent bitmap file option is deprecated.\n"); - if (ask("Do you want to continue? (y/n)")) { - s->bitmap_file = val; - return MDADM_STATUS_SUCCESS; - } - + pr_err("Custom write-intent bitmap file option is not supported.\n"); return MDADM_STATUS_ERROR; } - pr_err("--bitmap value must contain a '/' or be 'internal', 'clustered' or 'none'\n"); - pr_err("Current value is \"%s\"", val); + pr_err("--bitmap value must be 'internal', 'clustered' or 'none'\n"); + pr_err("Current value is \"%s\"\n", val); return MDADM_STATUS_ERROR; } @@ -99,7 +99,6 @@ int main(int argc, char *argv[]) struct mddev_ident ident; char *configfile = NULL; int devmode = 0; - int bitmap_fd = -1; struct mddev_dev *devlist = NULL; struct mddev_dev **devlistend = & devlist; struct mddev_dev *dv; @@ -116,6 +115,7 @@ int main(int argc, char *argv[]) .bitmap_chunk = UnSet, .consistency_policy = CONSISTENCY_POLICY_UNKNOWN, .data_offset = INVALID_SECTORS, + .btype = BitmapUnknown, }; char sys_hostname[256]; @@ -1089,24 +1089,15 @@ int main(int argc, char *argv[]) case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ case O(ASSEMBLE,Bitmap): - if (!optarg) { - pr_err("bitmap file needed with -b in --assemble mode\n"); - exit(2); - } - if (strcmp(optarg, "internal") == 0 || - strcmp(optarg, "clustered") == 0) { + if (optarg && (strcmp(optarg, "internal") == 0 || + strcmp(optarg, "clustered")) == 0) { pr_err("no need to specify --bitmap when assembling" " arrays with internal or clustered bitmap\n"); continue; } - bitmap_fd = open(optarg, O_RDWR); - if (!*optarg || bitmap_fd < 0) { - pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); - exit(2); - } - ident.bitmap_fd = bitmap_fd; /* for Assemble */ - continue; + pr_err("bitmap file is not supported %s\n", optarg); + exit(2); case O(ASSEMBLE, BackupFile): case O(GROW, BackupFile): /* Specify a file into which grow might place a backup, @@ -1256,12 +1247,11 @@ int main(int argc, char *argv[]) pr_err("PPL consistency policy is only supported for RAID level 5.\n"); exit(2); } else if (s.consistency_policy == CONSISTENCY_POLICY_BITMAP && - (!s.bitmap_file || str_is_none(s.bitmap_file) == true)) { + s.btype == BitmapNone) { pr_err("--bitmap is required for consistency policy: %s\n", map_num_s(consistency_policies, s.consistency_policy)); exit(2); - } else if (s.bitmap_file && - str_is_none(s.bitmap_file) == false && + } else if ((s.btype == BitmapInternal || s.btype == BitmapCluster) && s.consistency_policy != CONSISTENCY_POLICY_BITMAP && s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { pr_err("--bitmap is not compatible with consistency policy: %s\n", @@ -1394,7 +1384,7 @@ int main(int argc, char *argv[]) c.brief = 1; if (mode == CREATE) { - if (s.bitmap_file && strcmp(s.bitmap_file, "clustered") == 0) { + if (s.btype == BitmapCluster) { locked = cluster_get_dlmlock(); if (locked != 1) exit(1); @@ -1479,7 +1469,14 @@ int main(int argc, char *argv[]) case BUILD: if (c.delay == 0) c.delay = DEFAULT_BITMAP_DELAY; - if (s.write_behind && !s.bitmap_file) { + + if (s.btype != BitmapNone && s.btype != BitmapUnknown) { + pr_err("--build argument only compatible with --bitmap=none\n"); + rv |= 1; + break; + } + + if (s.write_behind) { pr_err("write-behind mode requires a bitmap.\n"); rv = 1; break; @@ -1490,14 +1487,6 @@ int main(int argc, char *argv[]) break; } - if (s.bitmap_file) { - if (strcmp(s.bitmap_file, "internal") == 0 || - strcmp(s.bitmap_file, "clustered") == 0) { - pr_err("'internal' and 'clustered' bitmaps not supported with --build\n"); - rv |= 1; - break; - } - } rv = Build(&ident, devlist->next, &s, &c); break; case CREATE: @@ -1505,8 +1494,7 @@ int main(int argc, char *argv[]) c.delay = DEFAULT_BITMAP_DELAY; if (c.nodes) { - if (!s.bitmap_file || - strcmp(s.bitmap_file, "clustered") != 0) { + if (s.btype != BitmapCluster) { pr_err("--nodes argument only compatible with --bitmap=clustered\n"); rv = 1; break; @@ -1524,7 +1512,7 @@ int main(int argc, char *argv[]) } } - if (s.write_behind && !s.bitmap_file) { + if (s.write_behind && s.btype == BitmapNone) { pr_err("write-behind mode requires a bitmap.\n"); rv = 1; break; @@ -1626,7 +1614,7 @@ int main(int argc, char *argv[]) if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { /* must be '-a'. */ if (s.size > 0 || s.chunk || - s.layout_str || s.bitmap_file) { + s.layout_str || s.btype != BitmapNone) { pr_err("--add cannot be used with other geometry changes in --grow mode\n"); rv = 1; break; @@ -1636,7 +1624,7 @@ int main(int argc, char *argv[]) if (rv) break; } - } else if (s.bitmap_file) { + } else if (s.btype != BitmapUnknown) { if (s.size > 0 || s.raiddisks || s.chunk || s.layout_str || devs_found > 1) { pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n"); diff --git a/mdadm.h b/mdadm.h index 5aa50854..af54a6ab 100644 --- a/mdadm.h +++ b/mdadm.h @@ -598,9 +598,16 @@ enum prefix_standard { }; enum bitmap_update { - NoUpdate, - NameUpdate, - NodeNumUpdate, + NoUpdate, + NameUpdate, + NodeNumUpdate, +}; + +enum bitmap_type { + BitmapNone, + BitmapInternal, + BitmapCluster, + BitmapUnknown, }; enum flag_mode { @@ -640,8 +647,7 @@ struct mddev_ident { int spare_disks; struct supertype *st; char *spare_group; - char *bitmap_file; - int bitmap_fd; + enum bitmap_type btype; char *container; /* /dev/whatever name of container, or * uuid of container. You would expect @@ -693,7 +699,7 @@ struct shape { char *layout_str; int chunk; int bitmap_chunk; - char *bitmap_file; + enum bitmap_type btype; int assume_clean; bool write_zeroes; int write_behind;