* [PATCH mdadm/master v2 3/4] mdadm: remove bitmap file support
2024-11-07 8:13 [PATCH mdadm/master v2 0/4] remove bitmap file support and reserve major number for lockless bitmap Yu Kuai
2024-11-07 8:13 ` [PATCH mdadm/master v2 1/4] tests/04update-uuid: remove bitmap file test Yu Kuai
2024-11-07 8:13 ` [PATCH mdadm/master v2 2/4] tests/05r1-re-add-nosuper: " Yu Kuai
@ 2024-11-07 8:13 ` Yu Kuai
2024-11-07 8:13 ` [PATCH mdadm/master v2 4/4] mdadm: add support for new lockless bitmap Yu Kuai
2024-11-07 8:19 ` [PATCH mdadm/master v2 0/4] remove bitmap file support and reserve major number for " Yu Kuai
4 siblings, 0 replies; 8+ messages in thread
From: Yu Kuai @ 2024-11-07 8:13 UTC (permalink / raw)
To: mariusz.tkaczyk, linux-raid; +Cc: yukuai3, yangerkun
From: Yu Kuai <yukuai3@huawei.com>
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 <yukuai3@huawei.com>
---
Assemble.c | 33 +-----------------
Build.c | 35 +------------------
Create.c | 37 +++-----------------
Grow.c | 94 ++++++---------------------------------------------
Incremental.c | 37 +-------------------
bitmap.c | 44 +++++++++++++-----------
config.c | 17 +++++++---
mdadm.c | 76 ++++++++++++++++++-----------------------
mdadm.h | 18 ++++++----
9 files changed, 98 insertions(+), 293 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..29858483 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;
@@ -536,7 +535,7 @@ int Create(struct supertype *st, struct mddev_ident *ident, int subdevs,
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->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..fae5b8a7 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 == BitmapNone)
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..82a48722 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) {
+ 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 != BitmapNone) {
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;
--
2.39.2
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