11 files changed, 57 insertions, 39 deletions

diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 8c58bd453993..1794305f9ed8 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -193,8 +193,12 @@ static int fuse_ctl_get_sb(struct file_system_type *fs_type, int flags,
 
 static void fuse_ctl_kill_sb(struct super_block *sb)
 {
+        struct fuse_conn *fc;
+
         mutex_lock(&fuse_mutex);
         fuse_control_sb = NULL;
+        list_for_each_entry(fc, &fuse_conn_list, entry)
+                fc->ctl_ndents = 0;
         mutex_unlock(&fuse_mutex);
 
         kill_litter_super(sb);
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index cca3fb693f99..70543b17e4c7 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -76,7 +76,7 @@ extern int make_symlink(const char *from, const char *to);
 extern int unlink_file(const char *file);
 extern int do_mkdir(const char *file, int mode);
 extern int do_rmdir(const char *file);
-extern int do_mknod(const char *file, int mode, int dev);
+extern int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor);
 extern int link_file(const char *from, const char *to);
 extern int do_readlink(char *file, char *buf, int size);
 extern int rename_file(char *from, char *to);
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 1e6fc3799876..69a376f35a68 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -755,7 +755,7 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
                 goto out_put;
 
         init_special_inode(inode, mode, dev);
-        err = do_mknod(name, mode, dev);
+        err = do_mknod(name, mode, MAJOR(dev), MINOR(dev));
         if(err)
                 goto out_free;
 
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index 23b7cee72123..1ed5ea389f15 100644
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -295,11 +295,11 @@ int do_rmdir(const char *file)
         return(0);
 }
 
-int do_mknod(const char *file, int mode, int dev)
+int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor)
 {
         int err;
 
-        err = mknod(file, mode, dev);
+        err = mknod(file, mode, makedev(major, minor));
         if(err) return(-errno);
         return(0);
 }
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 062707745162..f4d45d4d835b 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -176,7 +176,7 @@ reclaimer(void *ptr)
         lock_kernel();
         lockd_up(0); /* note: this cannot fail as lockd is already running */
 
-        dprintk("lockd: reclaiming locks for host %s", host->h_name);
+        dprintk("lockd: reclaiming locks for host %s\n", host->h_name);
 
 restart:
         nsmstate = host->h_nsmstate;
@@ -206,7 +206,7 @@ restart:
 
         host->h_reclaiming = 0;
         up_write(&host->h_rwsem);
-        dprintk("NLM: done reclaiming locks for host %s", host->h_name);
+        dprintk("NLM: done reclaiming locks for host %s\n", host->h_name);
 
         /* Now, wake up all processes that sleep on a blocked lock */
         list_for_each_entry(block, &nlm_blocked, b_list) {
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 248dd92e6a56..49c310b84923 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -35,7 +35,6 @@
 #include <linux/lockd/bind.h>
 
 #define NFSDDBG_FACILITY        NFSDDBG_EXPORT
-#define NFSD_PARANOIA 1
 
 typedef struct auth_domain      svc_client;
 typedef struct svc_export       svc_export;
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index b06bf9f70efc..98338a569dc0 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -24,8 +24,6 @@
 #include <linux/nfsd/nfsd.h>
 
 #define NFSDDBG_FACILITY                NFSDDBG_FH
-#define NFSD_PARANOIA 1
-/* #define NFSD_DEBUG_VERBOSE 1 */
 
 
 static int nfsd_nr_verified;
@@ -230,13 +228,12 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access)
                                 error = nfserrno(PTR_ERR(dentry));
                         goto out;
                 }
-#ifdef NFSD_PARANOIA
+
                 if (S_ISDIR(dentry->d_inode->i_mode) &&
                     (dentry->d_flags & DCACHE_DISCONNECTED)) {
                         printk("nfsd: find_fh_dentry returned a DISCONNECTED directory: %s/%s\n",
                                dentry->d_parent->d_name.name, dentry->d_name.name);
                 }
-#endif
 
                 fhp->fh_dentry = dentry;
                 fhp->fh_export = exp;
@@ -267,12 +264,13 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access)
         /* Finally, check access permissions. */
         error = nfsd_permission(exp, dentry, access);
 
-#ifdef NFSD_PARANOIA_EXTREME
         if (error) {
-                printk("fh_verify: %s/%s permission failure, acc=%x, error=%d\n",
-                       dentry->d_parent->d_name.name, dentry->d_name.name, access, (error >> 24));
+                dprintk("fh_verify: %s/%s permission failure, "
+                        "acc=%x, error=%d\n",
+                        dentry->d_parent->d_name.name,
+                        dentry->d_name.name,
+                        access, (error >> 24));
         }
-#endif
 out:
         if (exp && !IS_ERR(exp))
                 exp_put(exp);
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 5d32e5fa697e..8283236c6a0f 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -59,7 +59,6 @@
 #include <asm/uaccess.h>
 
 #define NFSDDBG_FACILITY                NFSDDBG_FILEOP
-#define NFSD_PARANOIA
 
 
 /* We must ignore files (but only files) which might have mandatory
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 2e0021e8f366..638f4c585e89 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -227,24 +227,27 @@ failed:
  * We can come here from ufs_writepage or ufs_prepare_write,
  * locked_page is argument of these functions, so we already lock it.
  */
-static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk,
+static void ufs_change_blocknr(struct inode *inode, unsigned int beg,
                                unsigned int count, unsigned int oldb,
                                unsigned int newb, struct page *locked_page)
 {
-        unsigned int blk_per_page = 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits);
-        struct address_space *mapping = inode->i_mapping;
-        pgoff_t index, cur_index = locked_page->index;
-        unsigned int i, j;
+        const unsigned mask = (1 << (PAGE_CACHE_SHIFT - inode->i_blkbits)) - 1;
+        struct address_space * const mapping = inode->i_mapping;
+        pgoff_t index, cur_index;
+        unsigned end, pos, j;
         struct page *page;
         struct buffer_head *head, *bh;
 
         UFSD("ENTER, ino %lu, count %u, oldb %u, newb %u\n",
               inode->i_ino, count, oldb, newb);
 
+        BUG_ON(!locked_page);
         BUG_ON(!PageLocked(locked_page));
 
-        for (i = 0; i < count; i += blk_per_page) {
-                index = (baseblk+i) >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
+        cur_index = locked_page->index;
+
+        for (end = count + beg; beg < end; beg = (beg | mask) + 1) {
+                index = beg >> (PAGE_CACHE_SHIFT - inode->i_blkbits);
 
                 if (likely(cur_index != index)) {
                         page = ufs_get_locked_page(mapping, index);
@@ -253,21 +256,32 @@ static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk,
                 } else
                         page = locked_page;
 
-                j = i;
                 head = page_buffers(page);
                 bh = head;
+                pos = beg & mask;
+                for (j = 0; j < pos; ++j)
+                        bh = bh->b_this_page;
+                j = 0;
                 do {
-                        if (likely(bh->b_blocknr == j + oldb && j < count)) {
-                                unmap_underlying_metadata(bh->b_bdev,
-                                                          bh->b_blocknr);
-                                bh->b_blocknr = newb + j++;
-                                mark_buffer_dirty(bh);
+                        if (buffer_mapped(bh)) {
+                                pos = bh->b_blocknr - oldb;
+                                if (pos < count) {
+                                        UFSD(" change from %llu to %llu\n",
+                                             (unsigned long long)pos + oldb,
+                                             (unsigned long long)pos + newb);
+                                        bh->b_blocknr = newb + pos;
+                                        unmap_underlying_metadata(bh->b_bdev,
+                                                                  bh->b_blocknr);
+                                        mark_buffer_dirty(bh);
+                                        ++j;
+                                }
                         }
 
                         bh = bh->b_this_page;
                 } while (bh != head);
 
-                set_page_dirty(page);
+                if (j)
+                        set_page_dirty(page);
 
                 if (likely(cur_index != index))
                         ufs_put_locked_page(page);
@@ -415,14 +429,14 @@ unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment,
         }
         result = ufs_alloc_fragments (inode, cgno, goal, request, err);
         if (result) {
+                ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
+                                locked_page != NULL);
                 ufs_change_blocknr(inode, fragment - oldcount, oldcount, tmp,
                                    result, locked_page);
 
                 *p = cpu_to_fs32(sb, result);
                 *err = 0;
                 UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
-                ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
-                                locked_page != NULL);
                 unlock_super(sb);
                 if (newcount < request)
                         ufs_free_fragments (inode, result + newcount, request - newcount);
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 2fbab0aab688..4295ca91cf85 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -242,7 +242,8 @@ repeat:
                         goal = tmp + uspi->s_fpb;
                 tmp = ufs_new_fragments (inode, p, fragment - blockoff, 
                                          goal, required + blockoff,
-                                         err, locked_page);
+                                         err,
+                                         phys != NULL ? locked_page : NULL);
         }
         /*
          * We will extend last allocated block
@@ -250,7 +251,7 @@ repeat:
         else if (lastblock == block) {
                 tmp = ufs_new_fragments(inode, p, fragment - (blockoff - lastblockoff),
                                         fs32_to_cpu(sb, *p), required +  (blockoff - lastblockoff),
-                                        err, locked_page);
+                                        err, phys != NULL ? locked_page : NULL);
         } else /* (lastblock > block) */ {
         /*
          * We will allocate new block before last allocated block
@@ -261,7 +262,8 @@ repeat:
                                 goal = tmp + uspi->s_fpb;
                 }
                 tmp = ufs_new_fragments(inode, p, fragment - blockoff,
-                                        goal, uspi->s_fpb, err, locked_page);
+                                        goal, uspi->s_fpb, err,
+                                        phys != NULL ? locked_page : NULL);
         }
         if (!tmp) {
                 if ((!blockoff && *p) || 
@@ -438,9 +440,11 @@ int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head
          * it much more readable:
          */
 #define GET_INODE_DATABLOCK(x) \
-        ufs_inode_getfrag(inode, x, fragment, 1, &err, &phys, &new, bh_result->b_page)
+        ufs_inode_getfrag(inode, x, fragment, 1, &err, &phys, &new,\
+                          bh_result->b_page)
 #define GET_INODE_PTR(x) \
-        ufs_inode_getfrag(inode, x, fragment, uspi->s_fpb, &err, NULL, NULL, NULL)
+        ufs_inode_getfrag(inode, x, fragment, uspi->s_fpb, &err, NULL, NULL,\
+                          bh_result->b_page)
 #define GET_INDIRECT_DATABLOCK(x) \
         ufs_inode_getblock(inode, bh, x, fragment,      \
                           &err, &phys, &new, bh_result->b_page)
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index ea11d04c41a0..0437b0a6fe97 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -109,10 +109,10 @@ static int ufs_trunc_direct (struct inode * inode)
         tmp = fs32_to_cpu(sb, *p);
         if (!tmp )
                 ufs_panic (sb, "ufs_trunc_direct", "internal error");
+        frag2 -= frag1;
         frag1 = ufs_fragnum (frag1);
-        frag2 = ufs_fragnum (frag2);
 
-        ufs_free_fragments (inode, tmp + frag1, frag2 - frag1);
+        ufs_free_fragments(inode, tmp + frag1, frag2);
         mark_inode_dirty(inode);
         frag_to_free = tmp + frag1;