[PATCH v3 2/2] mdadm: replace container level checking with inline
From: Kinga Tanska <hidden>
Date: 2022-08-19 08:01:55
Subsystem:
the rest · Maintainer:
Linus Torvalds
To unify all containers checks in code, is_container() function is added and propagated. Signed-off-by: Kinga Tanska <redacted> --- Assemble.c | 5 ++--- 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, 32 insertions(+), 19 deletions(-)
diff --git a/Assemble.c b/Assemble.c
index f31372db..27324939 100644
--- a/Assemble.c
+++ b/Assemble.c@@ -1123,7 +1123,7 @@ 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",
@@ -1553,8 +1553,7 @@ 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; }
diff --git a/Create.c b/Create.c
index 0ff1922d..6edc4ad3 100644
--- a/Create.c
+++ b/Create.c@@ -472,7 +472,7 @@ 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);
@@ -982,7 +982,7 @@ 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,
@@ -1025,7 +1025,7 @@ 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 9c6fc95e..391c4212 100644
--- a/Grow.c
+++ b/Grow.c@@ -2156,7 +2156,7 @@ 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;
@@ -2212,7 +2212,7 @@ 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)
@@ -2325,7 +2325,7 @@ 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 a57fc323..077d4eea 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 && 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 c7268a71..72abfc50 100644
--- a/mdadm.h
+++ b/mdadm.h@@ -1885,3 +1885,17 @@ 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; +}
\ No newline at end of file
diff --git a/super-ddf.c b/super-ddf.c
index 3f304cdc..bd366da2 100644
--- a/super-ddf.c
+++ b/super-ddf.c@@ -3345,7 +3345,7 @@ 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, layout, raiddisks, *chunk,
@@ -3460,7 +3460,7 @@ 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;
@@ -3498,7 +3498,7 @@ 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 d5fad102..7376a2e9 100644
--- a/super-intel.c
+++ b/super-intel.c@@ -6661,7 +6661,7 @@ 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;
@@ -7580,7 +7580,7 @@ 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 b79b97a9..87a4b374 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 a12a5bc8..d3a48478 100644
--- a/super1.c
+++ b/super1.c@@ -2800,7 +2800,7 @@ 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 2995713d..054842c2 100644
--- a/sysfs.c
+++ b/sysfs.c@@ -762,7 +762,7 @@ 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);
--
2.26.2