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Add clustered VG flag to LV lock requests.

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This commit is contained in:
Alasdair Kergon 2005-08-15 13:24:46 +00:00
parent 0fb173aa3a
commit 4c60a35226
2 changed files with 15 additions and 8 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.01.15 -
=================================
Add clustered VG flag to LV lock requests.
Change LV locking macros to take lv instead of lvid.
Prepend 'cluster' activation parameter to mirror log when appropriate.
Pass exclusive flag to lv_activate and on to target activation code.

22
lib/locking/locking.h
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@ -65,6 +65,7 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname);
#define LCK_NONBLOCK 0x00000010 /* Don't block waiting for lock? */
#define LCK_HOLD 0x00000020 /* Hold lock when lock_vol returns? */
#define LCK_LOCAL 0x00000040 /* Don't propagate to other nodes */
#define LCK_CLUSTER_VG 0x00000080 /* VG is clustered */
/*
* Common combinations
@ -79,22 +80,27 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname);
#define LCK_LV_ACTIVATE (LCK_LV | LCK_READ | LCK_NONBLOCK)
#define LCK_LV_DEACTIVATE (LCK_LV | LCK_NULL | LCK_NONBLOCK)
#define LCK_LV_CLUSTERED(lv) \
(((lv)->vg->status & CLUSTERED) ? LCK_CLUSTER_VG : 0)
#define lock_lv_vol(cmd, lv, flags) \
lock_vol(cmd, (lv)->lvid.s, flags | LCK_LV_CLUSTERED(lv))
#define unlock_vg(cmd, vol) lock_vol(cmd, vol, LCK_VG_UNLOCK)
#define resume_lv(cmd, lv) lock_vol(cmd, (lv)->lvid.s, LCK_LV_RESUME)
#define suspend_lv(cmd, lv) lock_vol(cmd, (lv)->lvid.s, LCK_LV_SUSPEND | LCK_HOLD)
#define deactivate_lv(cmd, lv) lock_vol(cmd, (lv)->lvid.s, LCK_LV_DEACTIVATE)
#define activate_lv(cmd, lv) lock_vol(cmd, (lv)->lvid.s, LCK_LV_ACTIVATE | LCK_HOLD)
#define resume_lv(cmd, lv) lock_lv_vol(cmd, lv, LCK_LV_RESUME)
#define suspend_lv(cmd, lv) lock_lv_vol(cmd, lv, LCK_LV_SUSPEND | LCK_HOLD)
#define deactivate_lv(cmd, lv) lock_lv_vol(cmd, lv, LCK_LV_DEACTIVATE)
#define activate_lv(cmd, lv) lock_lv_vol(cmd, lv, LCK_LV_ACTIVATE | LCK_HOLD)
#define activate_lv_excl(cmd, lv) \
lock_vol(cmd, (lv)->lvid.s, LCK_LV_EXCLUSIVE | LCK_HOLD)
lock_lv_vol(cmd, lv, LCK_LV_EXCLUSIVE | LCK_HOLD)
#define activate_lv_local(cmd, lv) \
lock_vol(cmd, (lv)->lvid.s, LCK_LV_ACTIVATE | LCK_HOLD | LCK_LOCAL)
lock_lv_vol(cmd, lv, LCK_LV_ACTIVATE | LCK_HOLD | LCK_LOCAL)
#define deactivate_lv_local(cmd, lv) \
lock_vol(cmd, (lv)->lvid.s, LCK_LV_DEACTIVATE | LCK_LOCAL)
lock_lv_vol(cmd, lv, LCK_LV_DEACTIVATE | LCK_LOCAL)
/* Process list of LVs */
int suspend_lvs(struct cmd_context *cmd, struct list *lvs);
int resume_lvs(struct cmd_context *cmd, struct list *lvs);
int activate_lvs_excl(struct cmd_context *cmd, struct list *lvs);