From 6f2af6a48c541f207cb727a31fb86de2cd04fc21 Mon Sep 17 00:00:00 2001 From: Kinga Tanska Date: Fri, 2 Sep 2022 08:49:23 +0200 Subject: [PATCH 60/61] mdadm: replace container level checking with inline Patch-mainline: mdadm-4.2+ References: jsc#PED-1009 To unify all containers checks in code, is_container() function is added and propagated. Signed-off-by: Kinga Tanska Acked-by: Coly Li Signed-off-by: Jes Sorensen --- Assemble.c | 7 +++---- Create.c | 6 +++--- Grow.c | 6 +++--- Incremental.c | 4 ++-- mdadm.h | 14 ++++++++++++++ super-ddf.c | 6 +++--- super-intel.c | 4 ++-- super0.c | 2 +- super1.c | 2 +- sysfs.c | 2 +- 10 files changed, 33 insertions(+), 20 deletions(-) diff --git a/Assemble.c b/Assemble.c index 1dd82a8..8b0af0c 100644 --- a/Assemble.c +++ b/Assemble.c @@ -1120,7 +1120,7 @@ static int start_array(int mdfd, i/2, mddev); } - if (content->array.level == LEVEL_CONTAINER) { + if (is_container(content->array.level)) { sysfs_rules_apply(mddev, content); if (c->verbose >= 0) { pr_err("Container %s has been assembled with %d drive%s", @@ -1549,8 +1549,7 @@ try_again: */ trustworthy = LOCAL; - if (name[0] == 0 && - content->array.level == LEVEL_CONTAINER) { + if (!name[0] && is_container(content->array.level)) { name = content->text_version; trustworthy = METADATA; } @@ -1809,7 +1808,7 @@ try_again: } #endif } - if (c->force && !clean && content->array.level != LEVEL_CONTAINER && + if (c->force && !clean && !is_container(content->array.level) && !enough(content->array.level, content->array.raid_disks, content->array.layout, clean, avail)) { change += st->ss->update_super(st, content, "force-array", diff --git a/Create.c b/Create.c index e06ec2a..953e737 100644 --- a/Create.c +++ b/Create.c @@ -487,7 +487,7 @@ int Create(struct supertype *st, char *mddev, st->minor_version >= 1) /* metadata at front */ warn |= check_partitions(fd, dname, 0, 0); - else if (s->level == 1 || s->level == LEVEL_CONTAINER || + else if (s->level == 1 || is_container(s->level) || (s->level == 0 && s->raiddisks == 1)) /* partitions could be meaningful */ warn |= check_partitions(fd, dname, freesize*2, s->size*2); @@ -997,7 +997,7 @@ int Create(struct supertype *st, char *mddev, * again returns container info. */ st->ss->getinfo_super(st, &info_new, NULL); - if (st->ss->external && s->level != LEVEL_CONTAINER && + if (st->ss->external && !is_container(s->level) && !same_uuid(info_new.uuid, info.uuid, 0)) { map_update(&map, fd2devnm(mdfd), info_new.text_version, @@ -1040,7 +1040,7 @@ int Create(struct supertype *st, char *mddev, map_unlock(&map); free(infos); - if (s->level == LEVEL_CONTAINER) { + if (is_container(s->level)) { /* No need to start. But we should signal udev to * create links */ sysfs_uevent(&info, "change"); diff --git a/Grow.c b/Grow.c index 0f07a89..e362403 100644 --- a/Grow.c +++ b/Grow.c @@ -2175,7 +2175,7 @@ size_change_error: devname, s->size); } changed = 1; - } else if (array.level != LEVEL_CONTAINER) { + } else if (!is_container(array.level)) { s->size = get_component_size(fd)/2; if (s->size == 0) s->size = array.size; @@ -2231,7 +2231,7 @@ size_change_error: info.component_size = s->size*2; info.new_level = s->level; info.new_chunk = s->chunk * 1024; - if (info.array.level == LEVEL_CONTAINER) { + if (is_container(info.array.level)) { info.delta_disks = UnSet; info.array.raid_disks = s->raiddisks; } else if (s->raiddisks) @@ -2344,7 +2344,7 @@ size_change_error: printf("layout for %s set to %d\n", devname, array.layout); } - } else if (array.level == LEVEL_CONTAINER) { + } else if (is_container(array.level)) { /* This change is to be applied to every array in the * container. This is only needed when the metadata imposes * restraints of the various arrays in the container. diff --git a/Incremental.c b/Incremental.c index 4d0cd9d..5a5f4c4 100644 --- a/Incremental.c +++ b/Incremental.c @@ -244,7 +244,7 @@ int Incremental(struct mddev_dev *devlist, struct context *c, c->autof = ci->autof; name_to_use = info.name; - if (name_to_use[0] == 0 && info.array.level == LEVEL_CONTAINER) { + if (name_to_use[0] == 0 && is_container(info.array.level)) { name_to_use = info.text_version; trustworthy = METADATA; } @@ -472,7 +472,7 @@ int Incremental(struct mddev_dev *devlist, struct context *c, /* 7/ Is there enough devices to possibly start the array? */ /* 7a/ if not, finish with success. */ - if (info.array.level == LEVEL_CONTAINER) { + if (is_container(info.array.level)) { char devnm[32]; /* Try to assemble within the container */ sysfs_uevent(sra, "change"); diff --git a/mdadm.h b/mdadm.h index 941a5f3..3673494 100644 --- a/mdadm.h +++ b/mdadm.h @@ -1924,3 +1924,17 @@ enum r0layout { * This is true for native and DDF, IMSM allows 16. */ #define MD_NAME_MAX 32 + +/** + * is_container() - check if @level is &LEVEL_CONTAINER + * @level: level value + * + * return: + * 1 if level is equal to &LEVEL_CONTAINER, 0 otherwise. + */ +static inline int is_container(const int level) +{ + if (level == LEVEL_CONTAINER) + return 1; + return 0; +} diff --git a/super-ddf.c b/super-ddf.c index 949e7d1..9d1e3b9 100644 --- a/super-ddf.c +++ b/super-ddf.c @@ -3325,7 +3325,7 @@ validate_geometry_ddf_container(struct supertype *st, int fd; unsigned long long ldsize; - if (level != LEVEL_CONTAINER) + if (!is_container(level)) return 0; if (!dev) return 1; @@ -3371,7 +3371,7 @@ static int validate_geometry_ddf(struct supertype *st, if (level == LEVEL_NONE) level = LEVEL_CONTAINER; - if (level == LEVEL_CONTAINER) { + if (is_container(level)) { /* Must be a fresh device to add to a container */ return validate_geometry_ddf_container(st, level, raiddisks, data_offset, dev, @@ -3488,7 +3488,7 @@ static int validate_geometry_ddf_bvd(struct supertype *st, struct dl *dl; unsigned long long maxsize; /* ddf/bvd supports lots of things, but not containers */ - if (level == LEVEL_CONTAINER) { + if (is_container(level)) { if (verbose) pr_err("DDF cannot create a container within an container\n"); return 0; diff --git a/super-intel.c b/super-intel.c index 4d82af3..b056561 100644 --- a/super-intel.c +++ b/super-intel.c @@ -6727,7 +6727,7 @@ static int validate_geometry_imsm_container(struct supertype *st, int level, struct intel_super *super = NULL; int rv = 0; - if (level != LEVEL_CONTAINER) + if (!is_container(level)) return 0; if (!dev) return 1; @@ -7692,7 +7692,7 @@ static int validate_geometry_imsm(struct supertype *st, int level, int layout, * if given unused devices create a container * if given given devices in a container create a member volume */ - if (level == LEVEL_CONTAINER) + if (is_container(level)) /* Must be a fresh device to add to a container */ return validate_geometry_imsm_container(st, level, raiddisks, data_offset, dev, diff --git a/super0.c b/super0.c index 37f595e..93876e2 100644 --- a/super0.c +++ b/super0.c @@ -1273,7 +1273,7 @@ static int validate_geometry0(struct supertype *st, int level, if (get_linux_version() < 3001000) tbmax = 2; - if (level == LEVEL_CONTAINER) { + if (is_container(level)) { if (verbose) pr_err("0.90 metadata does not support containers\n"); return 0; diff --git a/super1.c b/super1.c index 58345e6..0b505a7 100644 --- a/super1.c +++ b/super1.c @@ -2830,7 +2830,7 @@ static int validate_geometry1(struct supertype *st, int level, unsigned long long overhead; int fd; - if (level == LEVEL_CONTAINER) { + if (is_container(level)) { if (verbose) pr_err("1.x metadata does not support containers\n"); return 0; diff --git a/sysfs.c b/sysfs.c index 0d98a65..ca1d888 100644 --- a/sysfs.c +++ b/sysfs.c @@ -763,7 +763,7 @@ int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int resume) rv = sysfs_set_num(sra, sd, "offset", sd->data_offset); rv |= sysfs_set_num(sra, sd, "size", (sd->component_size+1) / 2); - if (sra->array.level != LEVEL_CONTAINER) { + if (!is_container(sra->array.level)) { if (sra->consistency_policy == CONSISTENCY_POLICY_PPL) { rv |= sysfs_set_num(sra, sd, "ppl_sector", sd->ppl_sector); rv |= sysfs_set_num(sra, sd, "ppl_size", sd->ppl_size); -- 2.35.3