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base/SOURCES/Assemble-Clean1-up-start_ar...

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From 94b53b777e095e1bc253654acc2e459d368c5dd5 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <jsorensen@fb.com>
Date: Wed, 12 Apr 2017 14:23:45 -0400
Subject: [RHEL7.5 PATCH 075/169] Assemble: Clean up start_array()
This is purely cosmetic, no codeflow changes.
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
Assemble.c | 97 +++++++++++++++++++++++++++++++++++++-------------------------
1 file changed, 58 insertions(+), 39 deletions(-)
diff --git a/Assemble.c b/Assemble.c
index b828523..22596b5 100644
--- a/Assemble.c
+++ b/Assemble.c
@@ -992,7 +992,7 @@ static int start_array(int mdfd,
}
/* First, add the raid disks, but add the chosen one last */
- for (i=0; i<= bestcnt; i++) {
+ for (i = 0; i <= bestcnt; i++) {
int j;
if (i < bestcnt) {
j = best[i];
@@ -1002,8 +1002,9 @@ static int start_array(int mdfd,
j = chosen_drive;
if (j >= 0 && !devices[j].included) {
- int dfd = dev_open(devices[j].devname,
- O_RDWR|O_EXCL);
+ int dfd;
+
+ dfd = dev_open(devices[j].devname, O_RDWR|O_EXCL);
if (dfd >= 0) {
remove_partitions(dfd);
close(dfd);
@@ -1012,28 +1013,30 @@ static int start_array(int mdfd,
if (rv) {
pr_err("failed to add %s to %s: %s\n",
- devices[j].devname,
- mddev,
+ devices[j].devname, mddev,
strerror(errno));
- if (i < content->array.raid_disks * 2
- || i == bestcnt)
+ if (i < content->array.raid_disks * 2 ||
+ i == bestcnt)
okcnt--;
else
sparecnt--;
- } else if (c->verbose > 0)
+ } else if (c->verbose > 0) {
pr_err("added %s to %s as %d%s%s\n",
devices[j].devname, mddev,
devices[j].i.disk.raid_disk,
devices[j].uptodate?"":
" (possibly out of date)",
- (devices[j].i.disk.state & (1<<MD_DISK_REPLACEMENT))?" replacement":"");
+ (devices[j].i.disk.state &
+ (1<<MD_DISK_REPLACEMENT)) ?
+ " replacement":"");
+ }
} else if (j >= 0) {
if (c->verbose > 0)
pr_err("%s is already in %s as %d\n",
devices[j].devname, mddev,
devices[j].i.disk.raid_disk);
- } else if (c->verbose > 0 && i < content->array.raid_disks*2
- && (i&1) == 0)
+ } else if (c->verbose > 0 &&
+ i < content->array.raid_disks * 2 && (i & 1) == 0)
pr_err("no uptodate device for slot %d of %s\n",
i/2, mddev);
}
@@ -1041,8 +1044,8 @@ static int start_array(int mdfd,
if (content->array.level == LEVEL_CONTAINER) {
if (c->verbose >= 0) {
pr_err("Container %s has been assembled with %d drive%s",
- mddev, okcnt+sparecnt+journalcnt,
- okcnt+sparecnt+journalcnt==1?"":"s");
+ mddev, okcnt + sparecnt + journalcnt,
+ okcnt + sparecnt + journalcnt == 1 ? "" : "s");
if (okcnt < (unsigned)content->array.raid_disks)
fprintf(stderr, " (out of %d)",
content->array.raid_disks);
@@ -1051,10 +1054,13 @@ static int start_array(int mdfd,
if (st->ss->validate_container) {
struct mdinfo *devices_list;
- struct mdinfo *info_devices = xmalloc(sizeof(struct mdinfo)*(okcnt+sparecnt));
+ struct mdinfo *info_devices;
unsigned int count;
+
devices_list = NULL;
- for (count = 0; count < okcnt+sparecnt; count++) {
+ info_devices = xmalloc(sizeof(struct mdinfo) *
+ (okcnt + sparecnt));
+ for (count = 0; count < okcnt + sparecnt; count++) {
info_devices[count] = devices[count].i;
info_devices[count].next = devices_list;
devices_list = &info_devices[count];
@@ -1080,16 +1086,16 @@ static int start_array(int mdfd,
if (c->runstop == 1 ||
(c->runstop <= 0 &&
- ( enough(content->array.level, content->array.raid_disks,
- content->array.layout, clean, avail) &&
- (okcnt + rebuilding_cnt >= req_cnt || start_partial_ok)
- ))) {
+ (enough(content->array.level, content->array.raid_disks,
+ content->array.layout, clean, avail) &&
+ (okcnt + rebuilding_cnt >= req_cnt || start_partial_ok)))) {
/* This array is good-to-go.
* If a reshape is in progress then we might need to
* continue monitoring it. In that case we start
* it read-only and let the grow code make it writable.
*/
int rv;
+
if (content->reshape_active &&
!(content->reshape_active & RESHAPE_NO_BACKUP) &&
content->delta_disks <= 0) {
@@ -1109,8 +1115,8 @@ static int start_array(int mdfd,
c->backup_file, 0,
c->freeze_reshape);
} else if (c->readonly &&
- sysfs_attribute_available(
- content, NULL, "array_state")) {
+ sysfs_attribute_available(content, NULL,
+ "array_state")) {
rv = sysfs_set_str(content, NULL,
"array_state", "readonly");
} else
@@ -1121,13 +1127,19 @@ static int start_array(int mdfd,
pr_err("%s has been started with %d drive%s",
mddev, okcnt, okcnt==1?"":"s");
if (okcnt < (unsigned)content->array.raid_disks)
- fprintf(stderr, " (out of %d)", content->array.raid_disks);
+ fprintf(stderr, " (out of %d)",
+ content->array.raid_disks);
if (rebuilding_cnt)
- fprintf(stderr, "%s %d rebuilding", sparecnt?",":" and", rebuilding_cnt);
+ fprintf(stderr, "%s %d rebuilding",
+ sparecnt?",":" and",
+ rebuilding_cnt);
if (sparecnt)
- fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
+ fprintf(stderr, " and %d spare%s",
+ sparecnt,
+ sparecnt == 1 ? "" : "s");
if (content->journal_clean)
- fprintf(stderr, " and %d journal", journalcnt);
+ fprintf(stderr, " and %d journal",
+ journalcnt);
fprintf(stderr, ".\n");
}
if (content->reshape_active &&
@@ -1137,11 +1149,14 @@ static int start_array(int mdfd,
* of the stripe cache - default is 256
*/
int chunk_size = content->array.chunk_size;
+
if (content->reshape_active &&
content->new_chunk > chunk_size)
chunk_size = content->new_chunk;
if (256 < 4 * ((chunk_size+4065)/4096)) {
- struct mdinfo *sra = sysfs_read(mdfd, NULL, 0);
+ struct mdinfo *sra;
+
+ sra = sysfs_read(mdfd, NULL, 0);
if (sra)
sysfs_set_num(sra, NULL,
"stripe_cache_size",
@@ -1174,7 +1189,9 @@ static int start_array(int mdfd,
if (content->array.level == 6 &&
okcnt + 1 == (unsigned)content->array.raid_disks &&
was_forced) {
- struct mdinfo *sra = sysfs_read(mdfd, NULL, 0);
+ struct mdinfo *sra;
+
+ sra = sysfs_read(mdfd, NULL, 0);
if (sra)
sysfs_set_str(sra, NULL,
"sync_action", "repair");
@@ -1182,45 +1199,47 @@ static int start_array(int mdfd,
}
return 0;
}
- pr_err("failed to RUN_ARRAY %s: %s\n",
- mddev, strerror(errno));
+ pr_err("failed to RUN_ARRAY %s: %s\n", mddev, strerror(errno));
if (!enough(content->array.level, content->array.raid_disks,
content->array.layout, 1, avail))
pr_err("Not enough devices to start the array.\n");
else if (!enough(content->array.level,
content->array.raid_disks,
- content->array.layout, clean,
- avail))
+ content->array.layout, clean, avail))
pr_err("Not enough devices to start the array while not clean - consider --force.\n");
return 1;
}
if (c->runstop == -1) {
pr_err("%s assembled from %d drive%s",
- mddev, okcnt, okcnt==1?"":"s");
+ mddev, okcnt, okcnt == 1 ? "" : "s");
if (okcnt != (unsigned)content->array.raid_disks)
- fprintf(stderr, " (out of %d)", content->array.raid_disks);
+ fprintf(stderr, " (out of %d)",
+ content->array.raid_disks);
fprintf(stderr, ", but not started.\n");
return 2;
}
if (c->verbose >= -1) {
- pr_err("%s assembled from %d drive%s", mddev, okcnt, okcnt==1?"":"s");
+ pr_err("%s assembled from %d drive%s",
+ mddev, okcnt, okcnt == 1 ? "" : "s");
if (rebuilding_cnt)
- fprintf(stderr, "%s %d rebuilding", sparecnt?",":" and", rebuilding_cnt);
+ fprintf(stderr, "%s %d rebuilding",
+ sparecnt ? "," : " and", rebuilding_cnt);
if (sparecnt)
- fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
+ fprintf(stderr, " and %d spare%s", sparecnt,
+ sparecnt == 1 ? "" : "s");
if (!enough(content->array.level, content->array.raid_disks,
content->array.layout, 1, avail))
fprintf(stderr, " - not enough to start the array.\n");
else if (!enough(content->array.level,
content->array.raid_disks,
- content->array.layout, clean,
- avail))
+ content->array.layout, clean, avail))
fprintf(stderr, " - not enough to start the array while not clean - consider --force.\n");
else {
if (req_cnt == (unsigned)content->array.raid_disks)
- fprintf(stderr, " - need all %d to start it", req_cnt);
+ fprintf(stderr, " - need all %d to start it",
+ req_cnt);
else
fprintf(stderr, " - need %d to start", req_cnt);
fprintf(stderr, " (use --run to insist).\n");
--
2.7.4