diff options
| author | NeilBrown <neilb@suse.com> | 2016-11-25 10:55:49 +1100 |
|---|---|---|
| committer | Jes Sorensen <Jes.Sorensen@redhat.com> | 2016-11-28 08:50:36 -0500 |
| commit | 71574efb077131701b3da874df0045f259ca3448 (patch) | |
| tree | ef0279065d848d79848e164a5acdf4317a952c22 /Manage.c | |
| parent | cf52eff58ab9d08e3d016c4f22da8adfc295d7e0 (diff) | |
| download | mdadm-71574efb077131701b3da874df0045f259ca3448.tar.gz | |
Add failfast support.
Allow per-device "failfast" flag to be set when creating an
array or adding devices to an array.
When re-adding a device which had the failfast flag, it can be removed
using --nofailfast.
failfast status is printed in --detail and --examine output.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Diffstat (limited to 'Manage.c')
| -rw-r--r-- | Manage.c | 20 |
1 files changed, 19 insertions, 1 deletions
@@ -683,8 +683,13 @@ int attempt_re_add(int fd, int tfd, struct mddev_dev *dv, disc.state |= 1 << MD_DISK_WRITEMOSTLY; if (dv->writemostly == 2) disc.state &= ~(1 << MD_DISK_WRITEMOSTLY); + if (dv->failfast == 1) + disc.state |= 1 << MD_DISK_FAILFAST; + if (dv->failfast == 2) + disc.state &= ~(1 << MD_DISK_FAILFAST); remove_partitions(tfd); - if (update || dv->writemostly > 0) { + if (update || dv->writemostly > 0 + || dv->failfast > 0) { int rv = -1; tfd = dev_open(dv->devname, O_RDWR); if (tfd < 0) { @@ -700,6 +705,14 @@ int attempt_re_add(int fd, int tfd, struct mddev_dev *dv, rv = dev_st->ss->update_super( dev_st, NULL, "readwrite", devname, verbose, 0, NULL); + if (dv->failfast == 1) + rv = dev_st->ss->update_super( + dev_st, NULL, "failfast", + devname, verbose, 0, NULL); + if (dv->failfast == 2) + rv = dev_st->ss->update_super( + dev_st, NULL, "nofailfast", + devname, verbose, 0, NULL); if (update) rv = dev_st->ss->update_super( dev_st, NULL, update, @@ -964,6 +977,8 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv, disc.state |= (1 << MD_DISK_JOURNAL) | (1 << MD_DISK_SYNC); if (dv->writemostly == 1) disc.state |= 1 << MD_DISK_WRITEMOSTLY; + if (dv->failfast == 1) + disc.state |= 1 << MD_DISK_FAILFAST; dfd = dev_open(dv->devname, O_RDWR | O_EXCL|O_DIRECT); if (tst->ss->add_to_super(tst, &disc, dfd, dv->devname, INVALID_SECTORS)) @@ -1009,6 +1024,8 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv, if (dv->writemostly == 1) disc.state |= (1 << MD_DISK_WRITEMOSTLY); + if (dv->failfast == 1) + disc.state |= (1 << MD_DISK_FAILFAST); if (tst->ss->external) { /* add a disk * to an external metadata container */ @@ -1785,6 +1802,7 @@ int move_spare(char *from_devname, char *to_devname, dev_t devid) devlist.next = NULL; devlist.used = 0; devlist.writemostly = 0; + devlist.failfast = 0; devlist.devname = devname; sprintf(devname, "%d:%d", major(devid), minor(devid)); |