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From paul.clements@steeleye.com Thu May 19 11:09:55 2005 

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From: Paul Clements <paul.clements@steeleye.com>
To: neilb@cse.unsw.edu.au
Subject: [PATCH 1/1] mdadm 2.0 devel: fix bitmap size calculation and allow
 "missing" device in Build command
Date: Wed, 18 May 2005 21:09:47 -0400
Content-Type: multipart/mixed;
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This is a multi-part message in MIME format.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
This commit is contained in:
Neil Brown 2005-06-14 06:29:20 +00:00
parent 6fbba4c929
commit 98ce384920
1 changed files with 13 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
Build.c
View File

@ -55,12 +55,18 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout,
int i;
int vers;
struct stat stb;
int subdevs = 0;
int subdevs = 0, missing_disks = 0;
mddev_dev_t dv;
int bitmap_fd;
/* unsigned long long size = ~0ULL; / * needed for bitmap only */
/* scan all devices, make sure they really are block devices */
for (dv = devlist; dv; dv=dv->next) {
subdevs++;
if (strcmp("missing", dv->devname) == 0) {
missing_disks++;
continue;
}
if (stat(dv->devname, &stb)) {
fprintf(stderr, Name ": Cannot find %s: %s\n",
dv->devname, strerror(errno));
@ -71,7 +77,6 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout,
dv->devname);
return 1;
}
subdevs++;
}
if (raiddisks != subdevs) {
@ -124,10 +129,10 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout,
array.state = 0; /* not clean, but no errors */
if (assume_clean)
array.state |= 1;
array.active_disks = raiddisks;
array.working_disks = raiddisks;
array.active_disks = raiddisks - missing_disks;
array.working_disks = raiddisks - missing_disks;
array.spare_disks = 0;
array.failed_disks = 0;
array.failed_disks = missing_disks;
if (chunk == 0)
chunk = 64;
array.chunk_size = chunk*1024;
@ -143,8 +148,10 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout,
}
/* now add the devices */
for ((i=0), (dv = devlist) ; dv ; i++, dv=dv->next) {
if (strcmp("missing", dv->devname) == 0)
continue;
if (stat(dv->devname, &stb)) {
fprintf(stderr, Name ": Wierd: %s has disappeared.\n",
fprintf(stderr, Name ": Weird: %s has disappeared.\n",
dv->devname);
goto abort;
}
@ -236,4 +243,3 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout,
return 1;
}