Merge branch 'master'

5 files changed, 34 insertions, 24 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 0e1c95074d42..0b515ac53134 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -885,6 +885,12 @@ int flush_old_exec(struct linux_binprm * bprm)
         current->flags &= ~PF_RANDOMIZE;
         flush_thread();
 
+        /* Set the new mm task size. We have to do that late because it may
+         * depend on TIF_32BIT which is only updated in flush_thread() on
+         * some architectures like powerpc
+         */
+        current->mm->task_size = TASK_SIZE;
+
         if (bprm->e_uid != current->euid || bprm->e_gid != current->egid || 
             file_permission(bprm->file, MAY_READ) ||
             (bprm->interp_flags & BINPRM_FLAGS_ENFORCE_NONDUMP)) {
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 21fd59c7bc24..c72a8a97935c 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -111,6 +111,8 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
 
                 /* Doesn't hurt to "reset" the validity timeout */
                 fuse_invalidate_entry_cache(entry);
+
+                /* For negative dentries, always do a fresh lookup */
                 if (!inode)
                         return 0;
 
@@ -122,6 +124,9 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
                 fuse_lookup_init(req, entry->d_parent->d_inode, entry, &outarg);
                 request_send(fc, req);
                 err = req->out.h.error;
+                /* Zero nodeid is same as -ENOENT */
+                if (!err && !outarg.nodeid)
+                        err = -ENOENT;
                 if (!err) {
                         struct fuse_inode *fi = get_fuse_inode(inode);
                         if (outarg.nodeid != get_node_id(inode)) {
@@ -190,8 +195,9 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry,
         fuse_lookup_init(req, dir, entry, &outarg);
         request_send(fc, req);
         err = req->out.h.error;
-        if (!err && ((outarg.nodeid && invalid_nodeid(outarg.nodeid)) ||
-                     !valid_mode(outarg.attr.mode)))
+        /* Zero nodeid is same as -ENOENT, but with valid timeout */
+        if (!err && outarg.nodeid &&
+            (invalid_nodeid(outarg.nodeid) || !valid_mode(outarg.attr.mode)))
                 err = -EIO;
         if (!err && outarg.nodeid) {
                 inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation,
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 8f2beec526cf..74d8be87f983 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -540,7 +540,7 @@ xfs_probe_cluster(
 
         /* First sum forwards in this page */
         do {
-                if (mapped != buffer_mapped(bh))
+                if (!buffer_uptodate(bh) || (mapped != buffer_mapped(bh)))
                         return total;
                 total += bh->b_size;
         } while ((bh = bh->b_this_page) != head);
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 53a00fb217fa..7c0e39dc6189 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -68,6 +68,9 @@ kmem_zone_t	*qm_dqzone;
 kmem_zone_t     *qm_dqtrxzone;
 STATIC kmem_shaker_t    xfs_qm_shaker;
 
+STATIC cred_t   xfs_zerocr;
+STATIC xfs_inode_t      xfs_zeroino;
+
 STATIC void     xfs_qm_list_init(xfs_dqlist_t *, char *, int);
 STATIC void     xfs_qm_list_destroy(xfs_dqlist_t *);
 
@@ -1393,8 +1396,6 @@ xfs_qm_qino_alloc(
         xfs_trans_t     *tp;
         int             error;
         unsigned long   s;
-        cred_t          zerocr;
-        xfs_inode_t     zeroino;
         int             committed;
 
         tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QINOCREATE);
@@ -1406,11 +1407,9 @@ xfs_qm_qino_alloc(
                 xfs_trans_cancel(tp, 0);
                 return error;
         }
-        memset(&zerocr, 0, sizeof(zerocr));
-        memset(&zeroino, 0, sizeof(zeroino));
 
-        if ((error = xfs_dir_ialloc(&tp, &zeroino, S_IFREG, 1, 0,
-                                   &zerocr, 0, 1, ip, &committed))) {
+        if ((error = xfs_dir_ialloc(&tp, &xfs_zeroino, S_IFREG, 1, 0,
+                                   &xfs_zerocr, 0, 1, ip, &committed))) {
                 xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES |
                                  XFS_TRANS_ABORT);
                 return error;
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 06fc061c50fc..5b413946b1c5 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -130,7 +130,8 @@ xfs_growfs_rt_alloc(
                 /*
                  * Lock the inode.
                  */
-                if ((error = xfs_trans_iget(mp, tp, ino, 0, XFS_ILOCK_EXCL, &ip)))
+                if ((error = xfs_trans_iget(mp, tp, ino, 0,
+                                                XFS_ILOCK_EXCL, &ip)))
                         goto error_exit;
                 XFS_BMAP_INIT(&flist, &firstblock);
                 /*
@@ -170,8 +171,8 @@ xfs_growfs_rt_alloc(
                         /*
                          * Lock the bitmap inode.
                          */
-                        if ((error = xfs_trans_iget(mp, tp, ino, 0, XFS_ILOCK_EXCL,
-                                        &ip)))
+                        if ((error = xfs_trans_iget(mp, tp, ino, 0,
+                                                        XFS_ILOCK_EXCL, &ip)))
                                 goto error_exit;
                         /*
                          * Get a buffer for the block.
@@ -2023,8 +2024,8 @@ xfs_growfs_rt(
                 /*
                  * Lock out other callers by grabbing the bitmap inode lock.
                  */
-                if ((error = xfs_trans_iget(mp, tp, 0, mp->m_sb.sb_rbmino,
-                                XFS_ILOCK_EXCL, &ip)))
+                if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                                XFS_ILOCK_EXCL, &ip)))
                         goto error_exit;
                 ASSERT(ip == mp->m_rbmip);
                 /*
@@ -2037,8 +2038,8 @@ xfs_growfs_rt(
                 /*
                  * Get the summary inode into the transaction.
                  */
-                if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino,
-                                0, XFS_ILOCK_EXCL, &ip)))
+                if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rsumino, 0,
+                                                XFS_ILOCK_EXCL, &ip)))
                         goto error_exit;
                 ASSERT(ip == mp->m_rsumip);
                 /*
@@ -2158,10 +2159,9 @@ xfs_rtallocate_extent(
         /*
          * Lock out other callers by grabbing the bitmap inode lock.
          */
-        error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-        if (error) {
+        if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                        XFS_ILOCK_EXCL, &ip)))
                 return error;
-        }
         sumbp = NULL;
         /*
          * Allocate by size, or near another block, or exactly at some block.
@@ -2221,10 +2221,9 @@ xfs_rtfree_extent(
         /*
          * Synchronize by locking the bitmap inode.
          */
-        error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-        if (error) {
+        if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                        XFS_ILOCK_EXCL, &ip)))
                 return error;
-        }
 #if defined(__KERNEL__) && defined(DEBUG)
         /*
          * Check to see that this whole range is currently allocated.
@@ -2365,8 +2364,8 @@ xfs_rtpick_extent(
         __uint64_t      seq;            /* sequence number of file creation */
         __uint64_t      *seqp;          /* pointer to seqno in inode */
 
-        error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0, XFS_ILOCK_EXCL, &ip);
-        if (error)
+        if ((error = xfs_trans_iget(mp, tp, mp->m_sb.sb_rbmino, 0,
+                                        XFS_ILOCK_EXCL, &ip)))
                 return error;
         ASSERT(ip == mp->m_rbmip);
         seqp = (__uint64_t *)&ip->i_d.di_atime;