9 files changed, 53 insertions, 20 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index 429a00228507..635f3e286ad8 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -459,6 +459,15 @@ config OCFS2_DEBUG_MASKLOG
           This option will enlarge your kernel, but it allows debugging of
           ocfs2 filesystem issues.
 
+config OCFS2_DEBUG_FS
+        bool "OCFS2 expensive checks"
+        depends on OCFS2_FS
+        default n
+        help
+          This option will enable expensive consistency checks. Enable
+          this option for debugging only as it is likely to decrease
+          performance of the filesystem.
+
 config MINIX_FS
         tristate "Minix fs support"
         help
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 556e34ccb005..56f7790cad46 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1514,7 +1514,7 @@ int ocfs2_size_fits_inline_data(struct buffer_head *di_bh, u64 new_size)
 {
         struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 
-        if (new_size < le16_to_cpu(di->id2.i_data.id_count))
+        if (new_size <= le16_to_cpu(di->id2.i_data.id_count))
                 return 1;
         return 0;
 }
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index cd046060114e..597e064bb94f 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -212,7 +212,7 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
 #define mlog_errno(st) do {                                             \
         int _st = (st);                                                 \
         if (_st != -ERESTARTSYS && _st != -EINTR &&                     \
-            _st != AOP_TRUNCATED_PAGE)                                  \
+            _st != AOP_TRUNCATED_PAGE && _st != -ENOSPC)                \
                 mlog(ML_ERROR, "status = %lld\n", (long long)_st);      \
 } while (0)
 
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index 1957a5ed219e..9923278ea6d4 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -344,12 +344,24 @@ static void ocfs2_dentry_iput(struct dentry *dentry, struct inode *inode)
 {
         struct ocfs2_dentry_lock *dl = dentry->d_fsdata;
 
-        mlog_bug_on_msg(!dl && !(dentry->d_flags & DCACHE_DISCONNECTED),
-                        "dentry: %.*s\n", dentry->d_name.len,
-                        dentry->d_name.name);
+        if (!dl) {
+                /*
+                 * No dentry lock is ok if we're disconnected or
+                 * unhashed.
+                 */
+                if (!(dentry->d_flags & DCACHE_DISCONNECTED) &&
+                    !d_unhashed(dentry)) {
+                        unsigned long long ino = 0ULL;
+                        if (inode)
+                                ino = (unsigned long long)OCFS2_I(inode)->ip_blkno;
+                        mlog(ML_ERROR, "Dentry is missing cluster lock. "
+                             "inode: %llu, d_flags: 0x%x, d_name: %.*s\n",
+                             ino, dentry->d_flags, dentry->d_name.len,
+                             dentry->d_name.name);
+                }
 
-        if (!dl)
                 goto out;
+        }
 
         mlog_bug_on_msg(dl->dl_count == 0, "dentry: %.*s, count: %u\n",
                         dentry->d_name.len, dentry->d_name.name,
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 62e4a7daa286..a54d33d95ada 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -908,7 +908,7 @@ lookup:
                  * but they might own this lockres.  wait on them. */
                 bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
                 if (bit < O2NM_MAX_NODES) {
-                        mlog(ML_NOTICE, "%s:%.*s: at least one node (%d) to"
+                        mlog(ML_NOTICE, "%s:%.*s: at least one node (%d) to "
                              "recover before lock mastery can begin\n",
                              dlm->name, namelen, (char *)lockid, bit);
                         wait_on_recovery = 1;
@@ -962,7 +962,7 @@ redo_request:
                 spin_lock(&dlm->spinlock);
                 bit = find_next_bit(dlm->recovery_map, O2NM_MAX_NODES, 0);
                 if (bit < O2NM_MAX_NODES) {
-                        mlog(ML_NOTICE, "%s:%.*s: at least one node (%d) to"
+                        mlog(ML_NOTICE, "%s:%.*s: at least one node (%d) to "
                              "recover before lock mastery can begin\n",
                              dlm->name, namelen, (char *)lockid, bit);
                         wait_on_recovery = 1;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index bbac7cd33e0b..b75b2e1f0e42 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -399,7 +399,7 @@ static int ocfs2_truncate_file(struct inode *inode,
 
         if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
                 status = ocfs2_truncate_inline(inode, di_bh, new_i_size,
-                                               i_size_read(inode), 0);
+                                               i_size_read(inode), 1);
                 if (status)
                         mlog_errno(status);
 
@@ -1521,6 +1521,7 @@ static int ocfs2_remove_inode_range(struct inode *inode,
         u32 trunc_start, trunc_len, cpos, phys_cpos, alloc_size;
         struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
         struct ocfs2_cached_dealloc_ctxt dealloc;
+        struct address_space *mapping = inode->i_mapping;
 
         ocfs2_init_dealloc_ctxt(&dealloc);
 
@@ -1529,10 +1530,20 @@ static int ocfs2_remove_inode_range(struct inode *inode,
 
         if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
                 ret = ocfs2_truncate_inline(inode, di_bh, byte_start,
-                                            byte_start + byte_len, 1);
-                if (ret)
+                                            byte_start + byte_len, 0);
+                if (ret) {
                         mlog_errno(ret);
-                return ret;
+                        goto out;
+                }
+                /*
+                 * There's no need to get fancy with the page cache
+                 * truncate of an inline-data inode. We're talking
+                 * about less than a page here, which will be cached
+                 * in the dinode buffer anyway.
+                 */
+                unmap_mapping_range(mapping, 0, 0, 0);
+                truncate_inode_pages(mapping, 0);
+                goto out;
         }
 
         trunc_start = ocfs2_clusters_for_bytes(osb->sb, byte_start);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 1d5e0cb0fda1..ebb2bbe30f35 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -455,8 +455,8 @@ static int ocfs2_read_locked_inode(struct inode *inode,
         status = -EINVAL;
         fe = (struct ocfs2_dinode *) bh->b_data;
         if (!OCFS2_IS_VALID_DINODE(fe)) {
-                mlog(ML_ERROR, "Invalid dinode #%llu: signature = %.*s\n",
-                     (unsigned long long)le64_to_cpu(fe->i_blkno), 7,
+                mlog(0, "Invalid dinode #%llu: signature = %.*s\n",
+                     (unsigned long long)args->fi_blkno, 7,
                      fe->i_signature);
                 goto bail;
         }
@@ -863,7 +863,7 @@ static int ocfs2_query_inode_wipe(struct inode *inode,
         status = ocfs2_try_open_lock(inode, 1);
         if (status == -EAGAIN) {
                 status = 0;
-                mlog(0, "Skipping delete of %llu because it is in use on"
+                mlog(0, "Skipping delete of %llu because it is in use on "
                      "other nodes\n", (unsigned long long)oi->ip_blkno);
                 goto bail;
         }
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index d272847d5a07..58ea88b5af36 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -484,6 +484,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
 
         alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
 
+#ifdef OCFS2_DEBUG_FS
         if (le32_to_cpu(alloc->id1.bitmap1.i_used) !=
             ocfs2_local_alloc_count_bits(alloc)) {
                 ocfs2_error(osb->sb, "local alloc inode %llu says it has "
@@ -494,6 +495,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
                 status = -EIO;
                 goto bail;
         }
+#endif
 
         free_bits = le32_to_cpu(alloc->id1.bitmap1.i_total) -
                 le32_to_cpu(alloc->id1.bitmap1.i_used);
@@ -712,9 +714,8 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb,
         void *bitmap;
         struct ocfs2_local_alloc *la = OCFS2_LOCAL_ALLOC(alloc);
 
-        mlog_entry("total = %u, COUNT = %u, used = %u\n",
+        mlog_entry("total = %u, used = %u\n",
                    le32_to_cpu(alloc->id1.bitmap1.i_total),
-                   ocfs2_local_alloc_count_bits(alloc),
                    le32_to_cpu(alloc->id1.bitmap1.i_used));
 
         if (!alloc->id1.bitmap1.i_total) {
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index be562ac3e89c..5ee775420665 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -438,14 +438,14 @@ unlock_osb:
         }
 
         if (!ret) {
-                if (!ocfs2_is_hard_readonly(osb))
-                        ocfs2_set_journal_params(osb);
-
                 /* Only save off the new mount options in case of a successful
                  * remount. */
                 osb->s_mount_opt = parsed_options.mount_opt;
                 osb->s_atime_quantum = parsed_options.atime_quantum;
                 osb->preferred_slot = parsed_options.slot;
+
+                if (!ocfs2_is_hard_readonly(osb))
+                        ocfs2_set_journal_params(osb);
         }
 out:
         return ret;