Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 47 insertions, 12 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 763a50daf1c0..f63efe1337ec 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -141,8 +141,8 @@ int fuse_release_common(struct inode *inode, struct file *file, int isdir)
                                         isdir ? FUSE_RELEASEDIR : FUSE_RELEASE);
 
                 /* Hold vfsmount and dentry until release is finished */
-                req->vfsmount = mntget(file->f_vfsmnt);
-                req->dentry = dget(file->f_dentry);
+                req->vfsmount = mntget(file->f_path.mnt);
+                req->dentry = dget(file->f_path.dentry);
                 request_send_background(fc, req);
         }
 
@@ -184,7 +184,7 @@ static u64 fuse_lock_owner_id(struct fuse_conn *fc, fl_owner_t id)
 
 static int fuse_flush(struct file *file, fl_owner_t id)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         struct fuse_conn *fc = get_fuse_conn(inode);
         struct fuse_file *ff = file->private_data;
         struct fuse_req *req;
@@ -483,10 +483,8 @@ static int fuse_commit_write(struct file *file, struct page *page,
                         i_size_write(inode, pos);
                 spin_unlock(&fc->lock);
 
-                if (offset == 0 && to == PAGE_CACHE_SIZE) {
-                        clear_page_dirty(page);
+                if (offset == 0 && to == PAGE_CACHE_SIZE)
                         SetPageUptodate(page);
-                }
         }
         fuse_invalidate_attr(inode);
         return err;
@@ -533,7 +531,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
 static ssize_t fuse_direct_io(struct file *file, const char __user *buf,
                               size_t count, loff_t *ppos, int write)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         struct fuse_conn *fc = get_fuse_conn(inode);
         size_t nmax = write ? fc->max_write : fc->max_read;
         loff_t pos = *ppos;
@@ -607,7 +605,7 @@ static ssize_t fuse_direct_read(struct file *file, char __user *buf,
 static ssize_t fuse_direct_write(struct file *file, const char __user *buf,
                                  size_t count, loff_t *ppos)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         ssize_t res;
         /* Don't allow parallel writes to the same file */
         mutex_lock(&inode->i_mutex);
@@ -662,7 +660,7 @@ static int convert_fuse_file_lock(const struct fuse_file_lock *ffl,
 static void fuse_lk_fill(struct fuse_req *req, struct file *file,
                          const struct file_lock *fl, int opcode, pid_t pid)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         struct fuse_conn *fc = get_fuse_conn(inode);
         struct fuse_file *ff = file->private_data;
         struct fuse_lk_in *arg = &req->misc.lk_in;
@@ -682,7 +680,7 @@ static void fuse_lk_fill(struct fuse_req *req, struct file *file,
 
 static int fuse_getlk(struct file *file, struct file_lock *fl)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         struct fuse_conn *fc = get_fuse_conn(inode);
         struct fuse_req *req;
         struct fuse_lk_out outarg;
@@ -707,7 +705,7 @@ static int fuse_getlk(struct file *file, struct file_lock *fl)
 
 static int fuse_setlk(struct file *file, struct file_lock *fl)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         struct fuse_conn *fc = get_fuse_conn(inode);
         struct fuse_req *req;
         int opcode = (fl->fl_flags & FL_SLEEP) ? FUSE_SETLKW : FUSE_SETLK;
@@ -734,7 +732,7 @@ static int fuse_setlk(struct file *file, struct file_lock *fl)
 
 static int fuse_file_lock(struct file *file, int cmd, struct file_lock *fl)
 {
-        struct inode *inode = file->f_dentry->d_inode;
+        struct inode *inode = file->f_path.dentry->d_inode;
         struct fuse_conn *fc = get_fuse_conn(inode);
         int err;
 
@@ -754,6 +752,42 @@ static int fuse_file_lock(struct file *file, int cmd, struct file_lock *fl)
         return err;
 }
 
+static sector_t fuse_bmap(struct address_space *mapping, sector_t block)
+{
+        struct inode *inode = mapping->host;
+        struct fuse_conn *fc = get_fuse_conn(inode);
+        struct fuse_req *req;
+        struct fuse_bmap_in inarg;
+        struct fuse_bmap_out outarg;
+        int err;
+
+        if (!inode->i_sb->s_bdev || fc->no_bmap)
+                return 0;
+
+        req = fuse_get_req(fc);
+        if (IS_ERR(req))
+                return 0;
+
+        memset(&inarg, 0, sizeof(inarg));
+        inarg.block = block;
+        inarg.blocksize = inode->i_sb->s_blocksize;
+        req->in.h.opcode = FUSE_BMAP;
+        req->in.h.nodeid = get_node_id(inode);
+        req->in.numargs = 1;
+        req->in.args[0].size = sizeof(inarg);
+        req->in.args[0].value = &inarg;
+        req->out.numargs = 1;
+        req->out.args[0].size = sizeof(outarg);
+        req->out.args[0].value = &outarg;
+        request_send(fc, req);
+        err = req->out.h.error;
+        fuse_put_request(fc, req);
+        if (err == -ENOSYS)
+                fc->no_bmap = 1;
+
+        return err ? 0 : outarg.block;
+}
+
 static const struct file_operations fuse_file_operations = {
         .llseek         = generic_file_llseek,
         .read           = do_sync_read,
@@ -787,6 +821,7 @@ static const struct address_space_operations fuse_file_aops  = {
         .commit_write   = fuse_commit_write,
         .readpages      = fuse_readpages,
         .set_page_dirty = fuse_set_page_dirty,
+        .bmap           = fuse_bmap,
 };
 
 void fuse_init_file_inode(struct inode *inode)