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From: agk@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/daemons/clvmd clvmd-command.c lvm-functions.c Date: Thu, 08 Dec 2011 18:32:00 -0000 [thread overview] Message-ID: <20111208183237.15966.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: agk@sourceware.org 2011-12-08 18:32:34 Modified files: daemons/clvmd : clvmd-command.c lvm-functions.c Log message: Test for LCK_CLUSTER_VG directly in args[0]. Drop unused LCK_LOCAL from debug msg. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/daemons/clvmd/clvmd-command.c.diff?cvsroot=lvm2&r1=1.61&r2=1.62 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/daemons/clvmd/lvm-functions.c.diff?cvsroot=lvm2&r1=1.126&r2=1.127 --- LVM2/daemons/clvmd/clvmd-command.c 2011/09/26 07:51:24 1.61 +++ LVM2/daemons/clvmd/clvmd-command.c 2011/12/08 18:32:33 1.62 @@ -120,7 +120,7 @@ case CLVMD_CMD_LOCK_LV: /* This is the biggie */ - lock_cmd = args[0] & (LCK_NONBLOCK | LCK_HOLD | LCK_SCOPE_MASK | LCK_TYPE_MASK); + lock_cmd = args[0]; lock_flags = args[1]; lockname = &args[2]; if (lock_flags & LCK_TEST_MODE) --- LVM2/daemons/clvmd/lvm-functions.c 2011/11/30 17:00:58 1.126 +++ LVM2/daemons/clvmd/lvm-functions.c 2011/12/08 18:32:34 1.127 @@ -109,10 +109,9 @@ break; } - sprintf(buf, "0x%x %s (%s|%s%s%s%s%s%s)", cmdl, command, type, scope, + sprintf(buf, "0x%x %s (%s|%s%s%s%s%s)", cmdl, command, type, scope, cmdl & LCK_NONBLOCK ? "|NONBLOCK" : "", cmdl & LCK_HOLD ? "|HOLD" : "", - cmdl & LCK_LOCAL ? "|LOCAL" : "", cmdl & LCK_CLUSTER_VG ? "|CLUSTER_VG" : "", cmdl & LCK_CACHE ? "|CACHE" : ""); @@ -332,7 +331,7 @@ */ /* Activate LV exclusive or non-exclusive */ -static int do_activate_lv(char *resource, unsigned char lock_flags, int mode) +static int do_activate_lv(char *resource, unsigned char command, unsigned char lock_flags, int mode) { int oldmode; int status; @@ -342,7 +341,7 @@ /* Is it already open ? */ oldmode = get_current_lock(resource); - if (oldmode == mode && (lock_flags & LCK_CLUSTER_VG)) { + if (oldmode == mode && (command & LCK_CLUSTER_VG)) { DEBUGLOG("do_activate_lv, lock already held at %d\n", oldmode); return 0; /* Nothing to do */ } @@ -365,7 +364,7 @@ * Use lock conversion only if requested, to prevent implicit conversion * of exclusive lock to shared one during activation. */ - if (lock_flags & LCK_CLUSTER_VG) { + if (command & LCK_CLUSTER_VG) { status = hold_lock(resource, mode, LCKF_NOQUEUE | (lock_flags & LCK_CONVERT ? LCKF_CONVERT:0)); if (status) { /* Return an LVM-sensible error for this. @@ -405,13 +404,13 @@ } /* Resume the LV if it was active */ -static int do_resume_lv(char *resource, unsigned char lock_flags) +static int do_resume_lv(char *resource, unsigned char command, unsigned char lock_flags) { int oldmode, origin_only, exclusive, revert; /* Is it open ? */ oldmode = get_current_lock(resource); - if (oldmode == -1 && (lock_flags & LCK_CLUSTER_VG)) { + if (oldmode == -1 && (command & LCK_CLUSTER_VG)) { DEBUGLOG("do_resume_lv, lock not already held\n"); return 0; /* We don't need to do anything */ } @@ -426,7 +425,7 @@ } /* Suspend the device if active */ -static int do_suspend_lv(char *resource, unsigned char lock_flags) +static int do_suspend_lv(char *resource, unsigned char command, unsigned char lock_flags) { int oldmode; struct lvinfo lvi; @@ -434,7 +433,7 @@ /* Is it open ? */ oldmode = get_current_lock(resource); - if (oldmode == -1 && (lock_flags & LCK_CLUSTER_VG)) { + if (oldmode == -1 && (command & LCK_CLUSTER_VG)) { DEBUGLOG("do_suspend_lv, lock not already held\n"); return 0; /* Not active, so it's OK */ } @@ -449,14 +448,14 @@ return 0; } -static int do_deactivate_lv(char *resource, unsigned char lock_flags) +static int do_deactivate_lv(char *resource, unsigned char command, unsigned char lock_flags) { int oldmode; int status; /* Is it open ? */ oldmode = get_current_lock(resource); - if (oldmode == -1 && (lock_flags & LCK_CLUSTER_VG)) { + if (oldmode == -1 && (command & LCK_CLUSTER_VG)) { DEBUGLOG("do_deactivate_lock, lock not already held\n"); return 0; /* We don't need to do anything */ } @@ -464,7 +463,7 @@ if (!lv_deactivate(cmd, resource)) return EIO; - if (lock_flags & LCK_CLUSTER_VG) { + if (command & LCK_CLUSTER_VG) { status = hold_unlock(resource); if (status) return errno; @@ -529,24 +528,24 @@ switch (command & LCK_MASK) { case LCK_LV_EXCLUSIVE: - status = do_activate_lv(resource, lock_flags, LCK_EXCL); + status = do_activate_lv(resource, command, lock_flags, LCK_EXCL); break; case LCK_LV_SUSPEND: - status = do_suspend_lv(resource, lock_flags); + status = do_suspend_lv(resource, command, lock_flags); break; case LCK_UNLOCK: case LCK_LV_RESUME: /* if active */ - status = do_resume_lv(resource, lock_flags); + status = do_resume_lv(resource, command, lock_flags); break; case LCK_LV_ACTIVATE: - status = do_activate_lv(resource, lock_flags, LCK_READ); + status = do_activate_lv(resource, command, lock_flags, LCK_READ); break; case LCK_LV_DEACTIVATE: - status = do_deactivate_lv(resource, lock_flags); + status = do_deactivate_lv(resource, command, lock_flags); break; default: @@ -577,7 +576,7 @@ LCKF_CONVERT is used always, local node is going to modify metadata */ if ((command & (LCK_SCOPE_MASK | LCK_TYPE_MASK)) == LCK_LV_SUSPEND && - (lock_flags & LCK_CLUSTER_VG)) { + (command & LCK_CLUSTER_VG)) { DEBUGLOG("pre_lock_lv: resource '%s', cmd = %s, flags = %s\n", resource, decode_locking_cmd(command), decode_flags(lock_flags)); @@ -596,7 +595,7 @@ /* Opposite of above, done on resume after a metadata update */ if ((command & (LCK_SCOPE_MASK | LCK_TYPE_MASK)) == LCK_LV_RESUME && - (lock_flags & LCK_CLUSTER_VG)) { + (command & LCK_CLUSTER_VG)) { int oldmode; DEBUGLOG
next reply other threads:[~2011-12-08 18:32 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-12-08 18:32 agk [this message] -- strict thread matches above, loose matches on Subject: below -- 2011-06-03 9:05 prajnoha
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