From mboxrd@z Thu Jan 1 00:00:00 1970 From: teigland@sourceware.org Date: 15 Apr 2008 18:03:45 -0000 Subject: [Cluster-devel] Cluster Project branch, RHEL5, updated. cmirror_1_1_15-47-g0847ffd Message-ID: <20080415180345.10458.qmail@sourceware.org> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Cluster Project". http://sources.redhat.com/git/gitweb.cgi?p=cluster.git;a=commitdiff;h=0847ffdaf607aafd538e949c91eb47f2a06c4335 The branch, RHEL5 has been updated via 0847ffdaf607aafd538e949c91eb47f2a06c4335 (commit) from d48a61c7d3fac5cae7528df29614216754ad5880 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 0847ffdaf607aafd538e949c91eb47f2a06c4335 Author: David Teigland Date: Mon Mar 31 10:09:37 2008 -0500 gfs: don't cancel glocks when writing to hidden file bz 438268 When glock.c sees the PRIORITY flag, it cancels any outstanding glocks prior to doing the lock request. lock_dlm also uses the PRIORITY flag to give give granting priority to the lock in the dlm. Both of these are necessary when the PRIORITY glock is used for recovery, but only the second is wanted (neither is really needed) when writing to a hidden file. A new GL_NOCANCEL_OTHER flag, combined with PRIORITY, is used to tell glock.c to not do the cancels. Signed-off-by: David Teigland ----------------------------------------------------------------------- Summary of changes: gfs-kernel/src/gfs/glock.c | 3 ++- gfs-kernel/src/gfs/glock.h | 1 + gfs-kernel/src/gfs/ioctl.c | 3 ++- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/gfs-kernel/src/gfs/glock.c b/gfs-kernel/src/gfs/glock.c index 255994c..1cb6e7e 100644 --- a/gfs-kernel/src/gfs/glock.c +++ b/gfs-kernel/src/gfs/glock.c @@ -1336,7 +1336,8 @@ glock_wait_internal(struct gfs_holder *gh) spin_unlock(&gl->gl_spin); } - if (gh->gh_flags & LM_FLAG_PRIORITY) + if ((gh->gh_flags & LM_FLAG_PRIORITY) && + !(gh->gh_flags & GL_NOCANCEL_OTHER)) do_cancels(gh); wait_for_completion(&gh->gh_wait); diff --git a/gfs-kernel/src/gfs/glock.h b/gfs-kernel/src/gfs/glock.h index fb1e210..c9bd819 100644 --- a/gfs-kernel/src/gfs/glock.h +++ b/gfs-kernel/src/gfs/glock.h @@ -34,6 +34,7 @@ #define GL_SYNC (0x00000800) /* Sync to disk when no more holders */ #define GL_NOCANCEL (0x00001000) /* Don't ever cancel this request */ #define GL_READPAGE (0x00002000) /* gfs_readpage() issued this lock request */ +#define GL_NOCANCEL_OTHER (0x00004000) /* Don't cancel other locks for this */ #define GLR_TRYFAILED (13) #define GLR_CANCELED (14) diff --git a/gfs-kernel/src/gfs/ioctl.c b/gfs-kernel/src/gfs/ioctl.c index 1133c8f..32db45c 100644 --- a/gfs-kernel/src/gfs/ioctl.c +++ b/gfs-kernel/src/gfs/ioctl.c @@ -1223,7 +1223,8 @@ gi_do_hfile_write(struct gfs_sbd *sdp, struct gfs_ioctl *gi, int from_user) gfs_write_calc_reserv(ip, gi->gi_size, &data_blocks, &ind_blocks); error = gfs_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, - LM_FLAG_PRIORITY | GL_SYNC, &i_gh); + LM_FLAG_PRIORITY | GL_SYNC | GL_NOCANCEL_OTHER, + &i_gh); if (error) return error; hooks/post-receive -- Cluster Project