58 files changed, 126 insertions, 219 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 6296bfd9cb0b..e309ef70a531 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -97,7 +97,6 @@ spufs_new_inode(struct super_block *sb, int mode)
        inode->i_mode = mode;
        inode->i_uid = current_fsuid();
        inode->i_gid = current_fsgid();
-        inode->i_blocks = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 out:
        return inode;
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 9d4f8e6c0800..5a805df216bb 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -106,7 +106,6 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode)
                ret->i_mode = mode;
                ret->i_uid = hypfs_info->uid;
                ret->i_gid = hypfs_info->gid;
-                ret->i_blocks = 0;
                ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
                if (mode & S_IFDIR)
                        ret->i_nlink = 2;
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 53912c327bfe..8dc2bb781605 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -57,9 +57,6 @@ static int ipathfs_mknod(struct inode *dir, struct dentry *dentry,
        }
        inode->i_mode = mode;
-        inode->i_uid = 0;
-        inode->i_gid = 0;
-        inode->i_blocks = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
        inode->i_private = data;
        if ((mode & S_IFMT) == S_IFDIR) {
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 0aa66ec4cbdd..b129409925af 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -111,8 +111,6 @@ capifs_fill_super(struct super_block *s, void *data, int silent)
                goto fail;
        inode->i_ino = 1;
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-        inode->i_blocks = 0;
-        inode->i_uid = inode->i_gid = 0;
        inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
        inode->i_op = &simple_dir_inode_operations;
        inode->i_fop = &simple_dir_operations;
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 22a7e8ba211d..de966a6fb7e6 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -146,8 +146,6 @@ static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode)
        if (ret) {
                ret->i_mode = mode;
-                ret->i_uid = ret->i_gid = 0;
-                ret->i_blocks = 0;
                ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
        }
        return ret;
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index ddc4c59f02dc..b7e4cee24269 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -29,9 +29,6 @@ static struct inode *oprofilefs_get_inode(struct super_block *sb, int mode)
        if (inode) {
                inode->i_mode = mode;
-                inode->i_uid = 0;
-                inode->i_gid = 0;
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
        }
        return inode;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 185be760833e..2a129cb7bb56 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -279,7 +279,6 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de
                inode->i_mode = mode;
                inode->i_uid = current_fsuid();
                inode->i_gid = current_fsgid();
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                switch (mode & S_IFMT) {
                default:
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index c4e62a6297d7..2e71368f45b4 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1863,26 +1863,10 @@ static int do_write(struct fsg_dev *fsg)
 static int fsync_sub(struct lun *curlun)
 {
        struct file     *filp = curlun->filp;
-        struct inode    *inode;
-        int             rc, err;
        if (curlun->ro || !filp)
                return 0;
-        if (!filp->f_op->fsync)
+        return vfs_fsync(filp, filp->f_path.dentry, 1);
-                return -EINVAL;
-        inode = filp->f_path.dentry->d_inode;
-        mutex_lock(&inode->i_mutex);
-        rc = filemap_fdatawrite(inode->i_mapping);
-        err = filp->f_op->fsync(filp, filp->f_path.dentry, 1);
-        if (!rc)
-                rc = err;
-        err = filemap_fdatawait(inode->i_mapping);
-        if (!rc)
-                rc = err;
-        mutex_unlock(&inode->i_mutex);
-        VLDBG(curlun, "fdatasync -> %d\n", rc);
-        return rc;
 }
 static void fsync_all(struct fsg_dev *fsg)
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index eeb26c0f88e5..317b48fdbf01 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -2001,7 +2001,6 @@ gadgetfs_make_inode (struct super_block *sb,
                inode->i_mode = mode;
                inode->i_uid = default_uid;
                inode->i_gid = default_gid;
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime
                                = CURRENT_TIME;
                inode->i_private = data;
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 415d9c67ac16..3c4ec7d864c4 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -119,8 +119,7 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino)
                goto bad_inode;
 #else
                inode->i_mode |= S_IFDIR;
-                inode->i_op = NULL;
+                /* ... and leave ->i_op and ->i_fop pointing to empty */
-                inode->i_fop = NULL;
                break;
 #endif
        case ST_LINKFILE:
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index c773680d5c60..e1734f2d6e26 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -251,13 +251,11 @@ struct inode *autofs_iget(struct super_block *sb, unsigned long ino)
        inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
        inode->i_nlink = 2;
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-        inode->i_blocks = 0;
        if (ino == AUTOFS_ROOT_INO) {
                inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
                inode->i_op = &autofs_root_inode_operations;
                inode->i_fop = &autofs_root_operations;
-                inode->i_uid = inode->i_gid = 0; /* Changed in read_super */
                goto done;
        } 
        
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 7b19802cfef4..cfc23e53b6f4 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -455,11 +455,7 @@ struct inode *autofs4_get_inode(struct super_block *sb,
        if (sb->s_root) {
                inode->i_uid = sb->s_root->d_inode->i_uid;
                inode->i_gid = sb->s_root->d_inode->i_gid;
-        } else {
-                inode->i_uid = 0;
-                inode->i_gid = 0;
        }
-        inode->i_blocks = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
        if (S_ISDIR(inf->mode)) {
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index f2744ab4e5b3..e1158cb4fbd6 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -496,9 +496,6 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode)
        if (inode) {
                inode->i_mode = mode;
-                inode->i_uid = 0;
-                inode->i_gid = 0;
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime =
                        current_fs_time(inode->i_sb);
        }
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index f247da9f4edc..5ab9896fdcb2 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1641,7 +1641,7 @@ do_expand:
        i_size_write(inode, offset);
        spin_unlock(&inode->i_lock);
 out_truncate:
-        if (inode->i_op && inode->i_op->truncate)
+        if (inode->i_op->truncate)
                inode->i_op->truncate(inode);
        return 0;
 out_sig:
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 466303db2df6..6a347fbc998a 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -201,8 +201,7 @@ int coda_release(struct inode *coda_inode, struct file *coda_file)
 int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
 {
        struct file *host_file;
-        struct dentry *host_dentry;
+        struct inode *coda_inode = coda_dentry->d_inode;
-        struct inode *host_inode, *coda_inode = coda_dentry->d_inode;
        struct coda_file_info *cfi;
        int err = 0;
@@ -214,14 +213,7 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
        BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
        host_file = cfi->cfi_container;
-        if (host_file->f_op && host_file->f_op->fsync) {
+        err = vfs_fsync(host_file, host_file->f_path.dentry, datasync);
-                host_dentry = host_file->f_path.dentry;
-                host_inode = host_dentry->d_inode;
-                mutex_lock(&host_inode->i_mutex);
-                err = host_file->f_op->fsync(host_file, host_dentry, datasync);
-                mutex_unlock(&host_inode->i_mutex);
-        }
        if ( !err && !datasync ) {
                lock_kernel();
                err = venus_fsync(coda_inode->i_sb, coda_i2f(coda_inode));
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 4803ccc94480..5d349d38e056 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -117,8 +117,6 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
 static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
 {
        inode->i_mode = mode;
-        inode->i_uid = 0;
-        inode->i_gid = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 }
@@ -136,7 +134,6 @@ struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent * sd)
 {
        struct inode * inode = new_inode(configfs_sb);
        if (inode) {
-                inode->i_blocks = 0;
                inode->i_mapping->a_ops = &configfs_aops;
                inode->i_mapping->backing_dev_info = &configfs_backing_dev_info;
                inode->i_op = &configfs_inode_operations;
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index f40423eb1a14..a07338d2d140 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -83,8 +83,6 @@ static struct inode *get_cramfs_inode(struct super_block *sb,
                        inode->i_op = &page_symlink_inode_operations;
                        inode->i_data.a_ops = &cramfs_aops;
                } else {
-                        inode->i_size = 0;
-                        inode->i_blocks = 0;
                        init_special_inode(inode, inode->i_mode,
                                old_decode_dev(cramfs_inode->size));
                }
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 3dbe2169cf36..81ae9ea3c6e1 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -37,9 +37,6 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d
        if (inode) {
                inode->i_mode = mode;
-                inode->i_uid = 0;
-                inode->i_gid = 0;
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                switch (mode & S_IFMT) {
                default:
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index fff96e152c0c..5f3231b9633f 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -189,8 +189,6 @@ static int mknod_ptmx(struct super_block *sb)
        }
        inode->i_ino = 2;
-        inode->i_uid = inode->i_gid = 0;
-        inode->i_blocks = 0;
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
        mode = S_IFCHR|opts->ptmxmode;
@@ -300,8 +298,6 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
                goto free_fsi;
        inode->i_ino = 1;
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
-        inode->i_blocks = 0;
-        inode->i_uid = inode->i_gid = 0;
        inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
        inode->i_op = &simple_dir_inode_operations;
        inode->i_fop = &simple_dir_operations;
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index eb3dc4c7ac06..713834371229 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -275,18 +275,9 @@ static int ecryptfs_release(struct inode *inode, struct file *file)
 static int
 ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-        struct file *lower_file = ecryptfs_file_to_lower(file);
+        return vfs_fsync(ecryptfs_file_to_lower(file),
-        struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+                         ecryptfs_dentry_to_lower(dentry),
-        struct inode *lower_inode = lower_dentry->d_inode;
+                         datasync);
-        int rc = -EINVAL;
-        if (lower_inode->i_fop->fsync) {
-                mutex_lock(&lower_inode->i_mutex);
-                rc = lower_inode->i_fop->fsync(lower_file, lower_dentry,
-                                               datasync);
-                mutex_unlock(&lower_inode->i_mutex);
-        }
-        return rc;
 }
 static int ecryptfs_fasync(int fd, struct file *file, int flag)
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 5e78fc179886..0111906a8877 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -612,8 +612,7 @@ ecryptfs_readlink(struct dentry *dentry, char __user * buf, int bufsiz)
        struct ecryptfs_crypt_stat *crypt_stat;
        lower_dentry = ecryptfs_dentry_to_lower(dentry);
-        if (!lower_dentry->d_inode->i_op ||
+        if (!lower_dentry->d_inode->i_op->readlink) {
-            !lower_dentry->d_inode->i_op->readlink) {
                rc = -EINVAL;
                goto out;
        }
diff --git a/fs/exec.c b/fs/exec.c
index 3ef9cf9b1871..9c33f542dc77 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -51,6 +51,7 @@
 #include <linux/audit.h>
 #include <linux/tracehook.h>
 #include <linux/kmod.h>
+#include <linux/fsnotify.h>
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -132,6 +133,8 @@ asmlinkage long sys_uselib(const char __user * library)
        if (IS_ERR(file))
                goto out;
+        fsnotify_open(file->f_path.dentry);
        error = -ENOEXEC;
        if(file->f_op) {
                struct linux_binfmt * fmt;
@@ -684,6 +687,8 @@ struct file *open_exec(const char *name)
        if (IS_ERR(file))
                return file;
+        fsnotify_open(file->f_path.dentry);
        err = deny_write_access(file);
        if (err) {
                fput(file);
diff --git a/fs/filesystems.c b/fs/filesystems.c
index d0e20ced62dd..d488dcd7f2bb 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -253,24 +253,27 @@ static int __init proc_filesystems_init(void)
 module_init(proc_filesystems_init);
 #endif
-struct file_system_type *get_fs_type(const char *name)
+static struct file_system_type *__get_fs_type(const char *name, int len)
 {
        struct file_system_type *fs;
-        const char *dot = strchr(name, '.');
-        unsigned len = dot ? dot - name : strlen(name);
        read_lock(&file_systems_lock);
        fs = *(find_filesystem(name, len));
        if (fs && !try_module_get(fs->owner))
                fs = NULL;
        read_unlock(&file_systems_lock);
-        if (!fs && (request_module("%.*s", len, name) == 0)) {
+        return fs;
-                read_lock(&file_systems_lock);
+}
-                fs = *(find_filesystem(name, len));
-                if (fs && !try_module_get(fs->owner))
+struct file_system_type *get_fs_type(const char *name)
-                        fs = NULL;
+{
-                read_unlock(&file_systems_lock);
+        struct file_system_type *fs;
-        }
+        const char *dot = strchr(name, '.');
+        int len = dot ? dot - name : strlen(name);
+        fs = __get_fs_type(name, len);
+        if (!fs && (request_module("%.*s", len, name) == 0))
+                fs = __get_fs_type(name, len);
        if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
                put_filesystem(fs);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 7d479ce3aceb..0ab0c6f5f438 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -506,7 +506,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid,
                inode->i_mode = mode;
                inode->i_uid = uid;
                inode->i_gid = gid;
-                inode->i_blocks = 0;
                inode->i_mapping->a_ops = &hugetlbfs_aops;
                inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/inode.c b/fs/inode.c
index 7de1cda92489..bd48e5e6d3e8 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -131,6 +131,8 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode)
        inode->i_op = &empty_iops;
        inode->i_fop = &empty_fops;
        inode->i_nlink = 1;
+        inode->i_uid = 0;
+        inode->i_gid = 0;
        atomic_set(&inode->i_writecount, 0);
        inode->i_size = 0;
        inode->i_blocks = 0;
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 3f8af0f1505b..6147ec3643a0 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -855,10 +855,6 @@ root_found:
        }
        sbi->s_joliet_level = joliet_level;
-        /* check the root inode */
-        if (!inode->i_op)
-                goto out_bad_root;
        /* Make sure the root inode is a directory */
        if (!S_ISDIR(inode->i_mode)) {
                printk(KERN_WARNING
@@ -886,8 +882,6 @@ root_found:
        /*
         * Display error messages and free resources.
         */
-out_bad_root:
-        printk(KERN_WARNING "%s: root inode not initialized\n", __func__);
 out_iput:
        iput(inode);
        goto out_no_inode;
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index d6363d8309d0..0f94381ca6d0 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -58,9 +58,9 @@
 /*
 * __mark_inode_dirty expects inodes to be hashed.  Since we don't want
- * special inodes in the fileset inode space, we hash them to a dummy head
+ * special inodes in the fileset inode space, we make them appear hashed,
+ * but do not put on any lists.
 */
-static HLIST_HEAD(aggregate_hash);
 /*
 * imap locks
@@ -496,7 +496,11 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
        /* release the page */
        release_metapage(mp);
-        hlist_add_head(&ip->i_hash, &aggregate_hash);
+        /*
+         * that will look hashed, but won't be on any list; hlist_del()
+         * will work fine and require no locking.
+         */
+        ip->i_hash.pprev = &ip->i_hash.next;
        return (ip);
 }
diff --git a/fs/libfs.c b/fs/libfs.c
index bdaec17fa388..49b44099dabb 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -231,7 +231,6 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
         */
        root->i_ino = 1;
        root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
-        root->i_uid = root->i_gid = 0;
        root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
        dentry = d_alloc(NULL, &d_name);
        if (!dentry) {
@@ -436,8 +435,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files
         */
        inode->i_ino = 1;
        inode->i_mode = S_IFDIR | 0755;
-        inode->i_uid = inode->i_gid = 0;
-        inode->i_blocks = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
        inode->i_op = &simple_dir_inode_operations;
        inode->i_fop = &simple_dir_operations;
@@ -464,8 +461,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files
                if (!inode)
                        goto out;
                inode->i_mode = S_IFREG | files->mode;
-                inode->i_uid = inode->i_gid = 0;
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                inode->i_fop = files->ops;
                inode->i_ino = i;
diff --git a/fs/namei.c b/fs/namei.c
index df2d3df4f049..f05bed242422 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -257,7 +257,7 @@ int inode_permission(struct inode *inode, int mask)
                        return -EACCES;
        }
-        if (inode->i_op && inode->i_op->permission)
+        if (inode->i_op->permission)
                retval = inode->i_op->permission(inode, mask);
        else
                retval = generic_permission(inode, mask, NULL);
@@ -432,7 +432,7 @@ static int exec_permission_lite(struct inode *inode)
 {
        umode_t mode = inode->i_mode;
-        if (inode->i_op && inode->i_op->permission)
+        if (inode->i_op->permission)
                return -EAGAIN;
        if (current_fsuid() == inode->i_uid)
@@ -908,9 +908,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd)
                inode = next.dentry->d_inode;
                if (!inode)
                        goto out_dput;
-                err = -ENOTDIR; 
-                if (!inode->i_op)
-                        goto out_dput;
                if (inode->i_op->follow_link) {
                        err = do_follow_link(&next, nd);
@@ -920,9 +917,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd)
                        inode = nd->path.dentry->d_inode;
                        if (!inode)
                                break;
-                        err = -ENOTDIR; 
-                        if (!inode->i_op)
-                                break;
                } else
                        path_to_nameidata(&next, nd);
                err = -ENOTDIR; 
@@ -961,7 +955,7 @@ last_component:
                        break;
                inode = next.dentry->d_inode;
                if ((lookup_flags & LOOKUP_FOLLOW)
-                    && inode && inode->i_op && inode->i_op->follow_link) {
+                    && inode && inode->i_op->follow_link) {
                        err = do_follow_link(&next, nd);
                        if (err)
                                goto return_err;
@@ -973,7 +967,7 @@ last_component:
                        break;
                if (lookup_flags & LOOKUP_DIRECTORY) {
                        err = -ENOTDIR; 
-                        if (!inode->i_op || !inode->i_op->lookup)
+                        if (!inode->i_op->lookup)
                                break;
                }
                goto return_base;
@@ -1469,7 +1463,7 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode,
        if (error)
                return error;
-        if (!dir->i_op || !dir->i_op->create)
+        if (!dir->i_op->create)
                return -EACCES; /* shouldn't it be ENOSYS? */
        mode &= S_IALLUGO;
        mode |= S_IFREG;
@@ -1752,7 +1746,7 @@ do_last:
        error = -ENOENT;
        if (!path.dentry->d_inode)
                goto exit_dput;
-        if (path.dentry->d_inode->i_op && path.dentry->d_inode->i_op->follow_link)
+        if (path.dentry->d_inode->i_op->follow_link)
                goto do_link;
        path_to_nameidata(&path, &nd);
@@ -1933,7 +1927,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
        if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
                return -EPERM;
-        if (!dir->i_op || !dir->i_op->mknod)
+        if (!dir->i_op->mknod)
                return -EPERM;
        error = devcgroup_inode_mknod(mode, dev);
@@ -2035,7 +2029,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
        if (error)
                return error;
-        if (!dir->i_op || !dir->i_op->mkdir)
+        if (!dir->i_op->mkdir)
                return -EPERM;
        mode &= (S_IRWXUGO|S_ISVTX);
@@ -2126,7 +2120,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
        if (error)
                return error;
-        if (!dir->i_op || !dir->i_op->rmdir)
+        if (!dir->i_op->rmdir)
                return -EPERM;
        DQUOT_INIT(dir);
@@ -2213,7 +2207,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
        if (error)
                return error;
-        if (!dir->i_op || !dir->i_op->unlink)
+        if (!dir->i_op->unlink)
                return -EPERM;
        DQUOT_INIT(dir);
@@ -2320,7 +2314,7 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
        if (error)
                return error;
-        if (!dir->i_op || !dir->i_op->symlink)
+        if (!dir->i_op->symlink)
                return -EPERM;
        error = security_inode_symlink(dir, dentry, oldname);
@@ -2401,7 +2395,7 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
         */
        if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
                return -EPERM;
-        if (!dir->i_op || !dir->i_op->link)
+        if (!dir->i_op->link)
                return -EPERM;
        if (S_ISDIR(inode->i_mode))
                return -EPERM;
@@ -2608,7 +2602,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        if (error)
                return error;
-        if (!old_dir->i_op || !old_dir->i_op->rename)
+        if (!old_dir->i_op->rename)
                return -EPERM;
        DQUOT_INIT(old_dir);
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index d1c5f787b365..44aa92aba891 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -744,45 +744,16 @@ nfsd_close(struct file *filp)
        fput(filp);
 }
-/*
- * Sync a file
- * As this calls fsync (not fdatasync) there is no need for a write_inode
- * after it.
- */
-static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
-                              const struct file_operations *fop)
-{
-        struct inode *inode = dp->d_inode;
-        int (*fsync) (struct file *, struct dentry *, int);
-        int err;
-        err = filemap_fdatawrite(inode->i_mapping);
-        if (err == 0 && fop && (fsync = fop->fsync))
-                err = fsync(filp, dp, 0);
-        if (err == 0)
-                err = filemap_fdatawait(inode->i_mapping);
-        return err;
-}
-        
 static int
 nfsd_sync(struct file *filp)
 {
-        int err;
+        return vfs_fsync(filp, filp->f_path.dentry, 0);
-        struct inode *inode = filp->f_path.dentry->d_inode;
-        dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name);
-        mutex_lock(&inode->i_mutex);
-        err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op);
-        mutex_unlock(&inode->i_mutex);
-        return err;
 }
 int
-nfsd_sync_dir(struct dentry *dp)
+nfsd_sync_dir(struct dentry *dentry)
 {
-        return nfsd_dosync(NULL, dp, dp->d_inode->i_fop);
+        return vfs_fsync(NULL, dentry, 0);
 }
 /*
@@ -1211,7 +1182,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
        dirp = dentry->d_inode;
        err = nfserr_notdir;
-        if(!dirp->i_op || !dirp->i_op->lookup)
+        if (!dirp->i_op->lookup)
                goto out;
        /*
         * Check whether the response file handle has been verified yet.
@@ -1347,7 +1318,7 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
        /* Get all the sanity checks out of the way before
         * we lock the parent. */
        err = nfserr_notdir;
-        if(!dirp->i_op || !dirp->i_op->lookup)
+        if (!dirp->i_op->lookup)
                goto out;
        fh_lock_nested(fhp, I_MUTEX_PARENT);
@@ -1482,7 +1453,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
        inode = dentry->d_inode;
        err = nfserr_inval;
-        if (!inode->i_op || !inode->i_op->readlink)
+        if (!inode->i_op->readlink)
                goto out;
        touch_atime(fhp->fh_export->ex_path.mnt, dentry);
@@ -2162,7 +2133,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl)
        size_t size;
        int error;
-        if (!IS_POSIXACL(inode) || !inode->i_op ||
+        if (!IS_POSIXACL(inode) ||
            !inode->i_op->setxattr || !inode->i_op->removexattr)
                return -EOPNOTSUPP;
        switch(type) {
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 400f8064a548..81b8644b0136 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -704,7 +704,7 @@ fput_and_out:
        return ret;
 }
-asmlinkage long sys_inotify_rm_watch(int fd, u32 wd)
+asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd)
 {
        struct file *filp;
        struct inotify_device *dev;
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index e9da092e2772..86bef156cf0a 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -1406,9 +1406,6 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi)
                ni->allocated_size = sle64_to_cpu(
                                a->data.non_resident.allocated_size);
        }
-        /* Setup the operations for this attribute inode. */
-        vi->i_op = NULL;
-        vi->i_fop = NULL;
        if (NInoMstProtected(ni))
                vi->i_mapping->a_ops = &ntfs_mst_aops;
        else
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index 6f7a77d54020..1c9efb406a96 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -341,7 +341,6 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
                inode->i_mode = mode;
                inode->i_uid = current_fsuid();
                inode->i_gid = current_fsgid();
-                inode->i_blocks = 0;
                inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                inc_nlink(inode);
@@ -367,7 +366,6 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
        inode->i_mode = mode;
        inode->i_uid = current_fsuid();
        inode->i_gid = current_fsgid();
-        inode->i_blocks = 0;
        inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 6afe57c84f84..633e9dc972bb 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -39,7 +39,6 @@ struct inode *omfs_new_inode(struct inode *dir, int mode)
        inode->i_mode = mode;
        inode->i_uid = current_fsuid();
        inode->i_gid = current_fsgid();
-        inode->i_blocks = 0;
        inode->i_mapping->a_ops = &omfs_aops;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/open.c b/fs/open.c
index 1cd7d40e9991..d882fd2351d6 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -412,7 +412,7 @@ asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len)
        if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0))
                goto out_fput;
-        if (inode->i_op && inode->i_op->fallocate)
+        if (inode->i_op->fallocate)
                ret = inode->i_op->fallocate(inode, mode, offset, len);
        else
                ret = -EOPNOTSUPP;
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index d41bdc784de4..ffcd04f0012c 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -256,9 +256,6 @@ found:
                break;
        }
-        inode->i_gid = 0;
-        inode->i_uid = 0;
        d_add(dentry, inode);
        return NULL;
 }
diff --git a/fs/proc/base.c b/fs/proc/base.c
index cad92c1ac2b3..10fd5223d600 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1426,8 +1426,6 @@ static struct inode *proc_pid_make_inode(struct super_block * sb, struct task_st
        if (!ei->pid)
                goto out_unlock;
-        inode->i_uid = 0;
-        inode->i_gid = 0;
        if (task_dumpable(task)) {
                rcu_read_lock();
                cred = __task_cred(task);
@@ -2349,8 +2347,6 @@ static struct dentry *proc_base_instantiate(struct inode *dir,
        if (!ei->pid)
                goto out_iput;
-        inode->i_uid = 0;
-        inode->i_gid = 0;
        inode->i_mode = p->mode;
        if (S_ISDIR(inode->i_mode))
                inode->i_nlink = 2;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 06ed10b7da9e..94fcfff6863a 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -31,7 +31,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
        inode->i_flags |= S_PRIVATE; /* tell selinux to ignore this inode */
        inode->i_mode = table->mode;
-        inode->i_uid = inode->i_gid = 0;
        if (!table->child) {
                inode->i_mode |= S_IFREG;
                inode->i_op = &proc_sys_inode_operations;
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index a83a3518ae33..b7e6ac706b87 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -57,7 +57,6 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
                inode->i_mode = mode;
                inode->i_uid = current_fsuid();
                inode->i_gid = current_fsgid();
-                inode->i_blocks = 0;
                inode->i_mapping->a_ops = &ramfs_aops;
                inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
                mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
diff --git a/fs/read_write.c b/fs/read_write.c
index 969a6d9c020b..5cc6924eb158 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -50,6 +50,14 @@ generic_file_llseek_unlocked(struct file *file, loff_t offset, int origin)
                offset += inode->i_size;
                break;
        case SEEK_CUR:
+                /*
+                 * Here we special-case the lseek(fd, 0, SEEK_CUR)
+                 * position-querying operation.  Avoid rewriting the "same"
+                 * f_pos value back to the file because a concurrent read(),
+                 * write() or lseek() might have altered it
+                 */
+                if (offset == 0)
+                        return file->f_pos;
                offset += file->f_pos;
                break;
        }
@@ -105,6 +113,10 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin)
                        offset += i_size_read(file->f_path.dentry->d_inode);
                        break;
                case SEEK_CUR:
+                        if (offset == 0) {
+                                retval = file->f_pos;
+                                goto out;
+                        }
                        offset += file->f_pos;
        }
        retval = -EINVAL;
@@ -115,6 +127,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin)
                }
                retval = offset;
        }
+out:
        unlock_kernel();
        return retval;
 }
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index ed04f47007f8..55fce92cdf18 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1782,6 +1782,12 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
                goto out_bad_inode;
        }
        args.objectid = inode->i_ino = le32_to_cpu(ih.ih_key.k_objectid);
+        if (old_format_only(sb))
+                make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
+                                  TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT);
+        else
+                make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET,
+                                  TYPE_STAT_DATA, SD_SIZE, MAX_US_INT);
        memcpy(INODE_PKEY(inode), &(ih.ih_key), KEY_SIZE);
        args.dirid = le32_to_cpu(ih.ih_key.k_dir_id);
        if (insert_inode_locked4(inode, args.objectid,
@@ -1834,13 +1840,6 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
        reiserfs_init_acl_default(inode);
        reiserfs_init_xattr_rwsem(inode);
-        if (old_format_only(sb))
-                make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
-                                  TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT);
-        else
-                make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET,
-                                  TYPE_STAT_DATA, SD_SIZE, MAX_US_INT);
        /* key to search for correct place for new stat data */
        _make_cpu_key(&key, KEY_FORMAT_3_6, le32_to_cpu(ih.ih_key.k_dir_id),
                      le32_to_cpu(ih.ih_key.k_objectid), SD_OFFSET,
diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c
index 60d2f822e87b..c97d4c931715 100644
--- a/fs/romfs/inode.c
+++ b/fs/romfs/inode.c
@@ -524,7 +524,6 @@ romfs_iget(struct super_block *sb, unsigned long ino)
        i->i_size = be32_to_cpu(ri.size);
        i->i_mtime.tv_sec = i->i_atime.tv_sec = i->i_ctime.tv_sec = 0;
        i->i_mtime.tv_nsec = i->i_atime.tv_nsec = i->i_ctime.tv_nsec = 0;
-        i->i_uid = i->i_gid = 0;
        /* Precalculate the data offset */
        ino = romfs_strnlen(i, ino+ROMFH_SIZE, ROMFS_MAXFN);
diff --git a/fs/stat.c b/fs/stat.c
index 7c46fbeb8b76..7e12a6f82795 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -305,7 +305,7 @@ asmlinkage long sys_readlinkat(int dfd, const char __user *pathname,
                struct inode *inode = path.dentry->d_inode;
                error = -EINVAL;
-                if (inode->i_op && inode->i_op->readlink) {
+                if (inode->i_op->readlink) {
                        error = security_inode_readlink(path.dentry);
                        if (!error) {
                                touch_atime(path.mnt, path.dentry);
diff --git a/fs/sync.c b/fs/sync.c
index 2967562d416f..0921d6d4b5e6 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -75,14 +75,39 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync)
        return ret;
 }
-long do_fsync(struct file *file, int datasync)
+/**
+ * vfs_fsync - perform a fsync or fdatasync on a file
+ * @file:               file to sync
+ * @dentry:             dentry of @file
+ * @data:               only perform a fdatasync operation
+ *
+ * Write back data and metadata for @file to disk.  If @datasync is
+ * set only metadata needed to access modified file data is written.
+ *
+ * In case this function is called from nfsd @file may be %NULL and
+ * only @dentry is set.  This can only happen when the filesystem
+ * implements the export_operations API.
+ */
+int vfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-        int ret;
+        const struct file_operations *fop;
-        int err;
+        struct address_space *mapping;
-        struct address_space *mapping = file->f_mapping;
+        int err, ret;
+        /*
+         * Get mapping and operations from the file in case we have
+         * as file, or get the default values for them in case we
+         * don't have a struct file available.  Damn nfsd..
+         */
+        if (file) {
+                mapping = file->f_mapping;
+                fop = file->f_op;
+        } else {
+                mapping = dentry->d_inode->i_mapping;
+                fop = dentry->d_inode->i_fop;
+        }
-        if (!file->f_op || !file->f_op->fsync) {
+        if (!fop || !fop->fsync) {
-                /* Why?  We can still call filemap_fdatawrite */
                ret = -EINVAL;
                goto out;
        }
@@ -94,7 +119,7 @@ long do_fsync(struct file *file, int datasync)
         * livelocks in fsync_buffers_list().
         */
        mutex_lock(&mapping->host->i_mutex);
-        err = file->f_op->fsync(file, file->f_path.dentry, datasync);
+        err = fop->fsync(file, dentry, datasync);
        if (!ret)
                ret = err;
        mutex_unlock(&mapping->host->i_mutex);
@@ -104,15 +129,16 @@ long do_fsync(struct file *file, int datasync)
 out:
        return ret;
 }
+EXPORT_SYMBOL(vfs_fsync);
-static long __do_fsync(unsigned int fd, int datasync)
+static int do_fsync(unsigned int fd, int datasync)
 {
        struct file *file;
        int ret = -EBADF;
        file = fget(fd);
        if (file) {
-                ret = do_fsync(file, datasync);
+                ret = vfs_fsync(file, file->f_path.dentry, datasync);
                fput(file);
        }
        return ret;
@@ -120,12 +146,12 @@ static long __do_fsync(unsigned int fd, int datasync)
 asmlinkage long sys_fsync(unsigned int fd)
 {
-        return __do_fsync(fd, 0);
+        return do_fsync(fd, 0);
 }
 asmlinkage long sys_fdatasync(unsigned int fd)
 {
-        return __do_fsync(fd, 1);
+        return do_fsync(fd, 1);
 }
 /*
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index eb53c632f856..dfa3d94cfc74 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -107,8 +107,6 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr)
 static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
 {
        inode->i_mode = mode;
-        inode->i_uid = 0;
-        inode->i_gid = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 }
@@ -149,7 +147,6 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
 {
        struct bin_attribute *bin_attr;
-        inode->i_blocks = 0;
        inode->i_mapping->a_ops = &sysfs_aops;
        inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
        inode->i_op = &sysfs_inode_operations;
diff --git a/fs/xattr.c b/fs/xattr.c
index 468377e66531..237804cd6b56 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -175,7 +175,7 @@ vfs_listxattr(struct dentry *d, char *list, size_t size)
        if (error)
                return error;
        error = -EOPNOTSUPP;
-        if (d->d_inode->i_op && d->d_inode->i_op->listxattr) {
+        if (d->d_inode->i_op->listxattr) {
                error = d->d_inode->i_op->listxattr(d, list, size);
        } else {
                error = security_inode_listsecurity(d->d_inode, list, size);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f2a3010140e3..8b916ce92e73 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1830,7 +1830,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
 extern int filemap_fdatawrite_range(struct address_space *mapping,
                                loff_t start, loff_t end);
-extern long do_fsync(struct file *file, int datasync);
+extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync);
 extern void sync_supers(void);
 extern void sync_filesystems(int wait);
 extern void __fsync_super(struct super_block *sb);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 04fb47bfb920..18d0a243a7b3 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -549,7 +549,7 @@ asmlinkage long sys_inotify_init(void);
 asmlinkage long sys_inotify_init1(int flags);
 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
                                        u32 mask);
-asmlinkage long sys_inotify_rm_watch(int fd, u32 wd);
+asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
                                 __u32 __user *ustatus);
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index d448b69672b5..eddb6247a553 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -120,7 +120,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode,
                inode->i_mode = mode;
                inode->i_uid = current_fsuid();
                inode->i_gid = current_fsgid();
-                inode->i_blocks = 0;
                inode->i_mtime = inode->i_ctime = inode->i_atime =
                                CURRENT_TIME;
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 891a84eb9d30..87bb0258fd27 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -573,7 +573,6 @@ static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb)
                inode->i_mode = mode;
                inode->i_uid = current_fsuid();
                inode->i_gid = current_fsgid();
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
        }
diff --git a/mm/filemap.c b/mm/filemap.c
index f8c69273c37f..f5769b4dc075 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1766,7 +1766,7 @@ int should_remove_suid(struct dentry *dentry)
        if (unlikely((mode & S_ISGID) && (mode & S_IXGRP)))
                kill |= ATTR_KILL_SGID;
-        if (unlikely(kill && !capable(CAP_FSETID)))
+        if (unlikely(kill && !capable(CAP_FSETID) && S_ISREG(mode)))
                return kill;
        return 0;
diff --git a/mm/memory.c b/mm/memory.c
index 0a2010a9518c..7b9db658aca2 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2266,7 +2266,7 @@ int vmtruncate(struct inode * inode, loff_t offset)
                unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1);
        }
-        if (inode->i_op && inode->i_op->truncate)
+        if (inode->i_op->truncate)
                inode->i_op->truncate(inode);
        return 0;
@@ -2286,7 +2286,7 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end)
         * a way to truncate a range of blocks (punch a hole) -
         * we should return failure right now.
         */
-        if (!inode->i_op || !inode->i_op->truncate_range)
+        if (!inode->i_op->truncate_range)
                return -ENOSYS;
        mutex_lock(&inode->i_mutex);
diff --git a/mm/msync.c b/mm/msync.c
index 144a7570535d..07dae08cf31c 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -82,7 +82,7 @@ asmlinkage long sys_msync(unsigned long start, size_t len, int flags)
                                (vma->vm_flags & VM_SHARED)) {
                        get_file(file);
                        up_read(&mm->mmap_sem);
-                        error = do_fsync(file, 0);
+                        error = vfs_fsync(file, file->f_path.dentry, 0);
                        fput(file);
                        if (error || start >= end)
                                goto out;
diff --git a/mm/nommu.c b/mm/nommu.c
index 7695dc850785..1c28ea3a4e9c 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -86,7 +86,7 @@ do_expand:
        i_size_write(inode, offset);
 out_truncate:
-        if (inode->i_op && inode->i_op->truncate)
+        if (inode->i_op->truncate)
                inode->i_op->truncate(inode);
        return 0;
 out_sig:
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 192453248870..577385a4a5dc 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -522,8 +522,6 @@ rpc_get_inode(struct super_block *sb, int mode)
        if (!inode)
                return NULL;
        inode->i_mode = mode;
-        inode->i_uid = inode->i_gid = 0;
-        inode->i_blocks = 0;
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
        switch(mode & S_IFMT) {
                case S_IFDIR:
diff --git a/security/commoncap.c b/security/commoncap.c
index 79713545cd63..69fc9952650f 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -238,7 +238,7 @@ int cap_inode_need_killpriv(struct dentry *dentry)
        struct inode *inode = dentry->d_inode;
        int error;
-        if (!inode->i_op || !inode->i_op->getxattr)
+        if (!inode->i_op->getxattr)
               return 0;
        error = inode->i_op->getxattr(dentry, XATTR_NAME_CAPS, NULL, 0);
@@ -259,7 +259,7 @@ int cap_inode_killpriv(struct dentry *dentry)
 {
        struct inode *inode = dentry->d_inode;
-        if (!inode->i_op || !inode->i_op->removexattr)
+        if (!inode->i_op->removexattr)
               return 0;
        return inode->i_op->removexattr(dentry, XATTR_NAME_CAPS);
@@ -317,7 +317,7 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
        memset(cpu_caps, 0, sizeof(struct cpu_vfs_cap_data));
-        if (!inode || !inode->i_op || !inode->i_op->getxattr)
+        if (!inode || !inode->i_op->getxattr)
                return -ENODATA;
        size = inode->i_op->getxattr((struct dentry *)dentry, XATTR_NAME_CAPS, &caps,
diff --git a/security/inode.c b/security/inode.c
index efea5a605466..007ef252dde7 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -61,9 +61,6 @@ static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev)
        if (inode) {
                inode->i_mode = mode;
-                inode->i_uid = 0;
-                inode->i_gid = 0;
-                inode->i_blocks = 0;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                switch (mode & S_IFMT) {
                default:
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index e5520996a75b..8f612c8becb5 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -847,8 +847,6 @@ static struct inode *sel_make_inode(struct super_block *sb, int mode)
        if (ret) {
                ret->i_mode = mode;
-                ret->i_uid = ret->i_gid = 0;
-                ret->i_blocks = 0;
                ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
        }
        return ret;