Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
  GFS2: Skip check for mandatory locks when unlocking
  GFS2: Allow the number of committed revokes to temporarily be negative
  GFS2: do not select QUOTA

4 files changed, 3 insertions, 5 deletions

diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 4dcddf83326f..a47b43107112 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -8,7 +8,6 @@ config GFS2_FS
         select FS_POSIX_ACL
         select CRC32
         select SLOW_WORK
-        select QUOTA
         select QUOTACTL
         help
           A cluster filesystem.
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index a6abbae8a278..e6dd2aec6f82 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -640,7 +640,7 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl)
 
         if (!(fl->fl_flags & FL_POSIX))
                 return -ENOLCK;
-        if (__mandatory_lock(&ip->i_inode))
+        if (__mandatory_lock(&ip->i_inode) && fl->fl_type != F_UNLCK)
                 return -ENOLCK;
 
         if (cmd == F_CANCELLK) {
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index b8025e51cabf..3aac46f6853e 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -616,7 +616,7 @@ struct gfs2_sbd {
         unsigned int sd_log_blks_reserved;
         unsigned int sd_log_commited_buf;
         unsigned int sd_log_commited_databuf;
-        unsigned int sd_log_commited_revoke;
+        int sd_log_commited_revoke;
 
         unsigned int sd_log_num_buf;
         unsigned int sd_log_num_revoke;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 4511b08fc451..e5bf4b59d46e 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -417,7 +417,7 @@ static unsigned int calc_reserved(struct gfs2_sbd *sdp)
         databufhdrs_needed = (sdp->sd_log_commited_databuf +
                               (dbuf_limit - 1)) / dbuf_limit;
 
-        if (sdp->sd_log_commited_revoke)
+        if (sdp->sd_log_commited_revoke > 0)
                 revokes = gfs2_struct2blk(sdp, sdp->sd_log_commited_revoke,
                                           sizeof(u64));
 
@@ -790,7 +790,6 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
         gfs2_assert_withdraw(sdp, (((int)sdp->sd_log_commited_buf) >= 0) ||
                              (((int)sdp->sd_log_commited_databuf) >= 0));
         sdp->sd_log_commited_revoke += tr->tr_num_revoke - tr->tr_num_revoke_rm;
-        gfs2_assert_withdraw(sdp, ((int)sdp->sd_log_commited_revoke) >= 0);
         reserved = calc_reserved(sdp);
         gfs2_assert_withdraw(sdp, sdp->sd_log_blks_reserved + tr->tr_reserved >= reserved);
         unused = sdp->sd_log_blks_reserved - reserved + tr->tr_reserved;