X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-ioctl.c;h=cd6a184536a1c3ec6ca35bd3d912fe25e7d0f804;hb=81fdb096dbcedcc3b94c7e47b59362b5214891e2;hp=d13bb15a8a02981f69706048d32bfc64b83b73c1;hpb=0a1340c185734a57fbf4775927966ad4a1347b02;p=powerpc.git diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index d13bb15a8a..cd6a184536 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -606,9 +606,14 @@ static struct hash_cell *__find_device_hash_cell(struct dm_ioctl *param) return __get_name_cell(param->name); md = dm_get_md(huge_decode_dev(param->dev)); - if (md) - mdptr = dm_get_mdptr(md); + if (!md) + goto out; + mdptr = dm_get_mdptr(md); + if (!mdptr) + dm_put(md); + +out: return mdptr; } @@ -760,7 +765,7 @@ out: static int do_suspend(struct dm_ioctl *param) { int r = 0; - int do_lockfs = 1; + unsigned suspend_flags = DM_SUSPEND_LOCKFS_FLAG; struct mapped_device *md; md = find_device(param); @@ -768,10 +773,12 @@ static int do_suspend(struct dm_ioctl *param) return -ENXIO; if (param->flags & DM_SKIP_LOCKFS_FLAG) - do_lockfs = 0; + suspend_flags &= ~DM_SUSPEND_LOCKFS_FLAG; + if (param->flags & DM_NOFLUSH_FLAG) + suspend_flags |= DM_SUSPEND_NOFLUSH_FLAG; if (!dm_suspended(md)) - r = dm_suspend(md, do_lockfs); + r = dm_suspend(md, suspend_flags); if (!r) r = __dev_status(md, param); @@ -783,7 +790,7 @@ static int do_suspend(struct dm_ioctl *param) static int do_resume(struct dm_ioctl *param) { int r = 0; - int do_lockfs = 1; + unsigned suspend_flags = DM_SUSPEND_LOCKFS_FLAG; struct hash_cell *hc; struct mapped_device *md; struct dm_table *new_map; @@ -809,9 +816,11 @@ static int do_resume(struct dm_ioctl *param) if (new_map) { /* Suspend if it isn't already suspended */ if (param->flags & DM_SKIP_LOCKFS_FLAG) - do_lockfs = 0; + suspend_flags &= ~DM_SUSPEND_LOCKFS_FLAG; + if (param->flags & DM_NOFLUSH_FLAG) + suspend_flags |= DM_SUSPEND_NOFLUSH_FLAG; if (!dm_suspended(md)) - dm_suspend(md, do_lockfs); + dm_suspend(md, suspend_flags); r = dm_swap_table(md, new_map); if (r) {