summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-04-24 08:22:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-24 08:22:25 -0700
commitaf3a3ab2966112c0d0a44df7eeb1e95fe32d4495 (patch)
tree82b8d00bdbb6d88eb5ba353de8a3fe2e2ad55269
parent423b40e194a8ad8f7cc15cc38bd18633891a04ad (diff)
parent4c569a72c30dfee9b5133284aba67e3aa0c9505d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes
Pull gfs2 fixes from Steven Whitehouse. * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes: GFS2: Instruct DLM to avoid queue convert slowdown
-rw-r--r--fs/gfs2/lock_dlm.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index f8411bd1b805..5f5e70e047dc 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -200,10 +200,11 @@ static int make_mode(const unsigned int lmstate)
return -1;
}
-static u32 make_flags(const u32 lkid, const unsigned int gfs_flags,
+static u32 make_flags(struct gfs2_glock *gl, const unsigned int gfs_flags,
const int req)
{
u32 lkf = DLM_LKF_VALBLK;
+ u32 lkid = gl->gl_lksb.sb_lkid;
if (gfs_flags & LM_FLAG_TRY)
lkf |= DLM_LKF_NOQUEUE;
@@ -227,8 +228,11 @@ static u32 make_flags(const u32 lkid, const unsigned int gfs_flags,
BUG();
}
- if (lkid != 0)
+ if (lkid != 0) {
lkf |= DLM_LKF_CONVERT;
+ if (test_bit(GLF_BLOCKING, &gl->gl_flags))
+ lkf |= DLM_LKF_QUECVT;
+ }
return lkf;
}
@@ -250,7 +254,7 @@ static int gdlm_lock(struct gfs2_glock *gl, unsigned int req_state,
char strname[GDLM_STRNAME_BYTES] = "";
req = make_mode(req_state);
- lkf = make_flags(gl->gl_lksb.sb_lkid, flags, req);
+ lkf = make_flags(gl, flags, req);
gfs2_glstats_inc(gl, GFS2_LKS_DCOUNT);
gfs2_sbstats_inc(gl, GFS2_LKS_DCOUNT);
if (gl->gl_lksb.sb_lkid) {