diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-24 08:22:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-24 08:22:25 -0700 |
| commit | af3a3ab2966112c0d0a44df7eeb1e95fe32d4495 (patch) | |
| tree | 82b8d00bdbb6d88eb5ba353de8a3fe2e2ad55269 | |
| parent | 423b40e194a8ad8f7cc15cc38bd18633891a04ad (diff) | |
| parent | 4c569a72c30dfee9b5133284aba67e3aa0c9505d (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.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c index f8411bd1b80..5f5e70e047d 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) { |