Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block

[cascardo/linux.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 693c2bf..6641146 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -172,9 +172,8 @@ blkdev_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
        struct file *file = iocb->ki_filp;
        struct inode *inode = file->f_mapping->host;
 
-       return blockdev_direct_IO_no_locking_newtrunc(rw, iocb, inode,
-                               I_BDEV(inode), iov, offset, nr_segs,
-                               blkdev_get_blocks, NULL);
+       return __blockdev_direct_IO(rw, iocb, inode, I_BDEV(inode), iov, offset,
+                                   nr_segs, blkdev_get_blocks, NULL, NULL, 0);
 }
 
 int __sync_blockdev(struct block_device *bdev, int wait)
@@ -309,9 +308,8 @@ static int blkdev_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
 {
-       *pagep = NULL;
-       return block_write_begin_newtrunc(file, mapping, pos, len, flags,
-                               pagep, fsdata, blkdev_get_block);
+       return block_write_begin(mapping, pos, len, flags, pagep,
+                                blkdev_get_block);
 }
 
 static int blkdev_write_end(struct file *file, struct address_space *mapping,
@@ -428,10 +426,13 @@ static inline void __bd_forget(struct inode *inode)
        inode->i_mapping = &inode->i_data;
 }
 
-static void bdev_clear_inode(struct inode *inode)
+static void bdev_evict_inode(struct inode *inode)
 {
        struct block_device *bdev = &BDEV_I(inode)->bdev;
        struct list_head *p;
+       truncate_inode_pages(&inode->i_data, 0);
+       invalidate_inode_buffers(inode); /* is it needed here? */
+       end_writeback(inode);
        spin_lock(&bdev_lock);
        while ( (p = bdev->bd_inodes.next) != &bdev->bd_inodes ) {
                __bd_forget(list_entry(p, struct inode, i_devices));
@@ -445,7 +446,7 @@ static const struct super_operations bdev_sops = {
        .alloc_inode = bdev_alloc_inode,
        .destroy_inode = bdev_destroy_inode,
        .drop_inode = generic_delete_inode,
-       .clear_inode = bdev_clear_inode,
+       .evict_inode = bdev_evict_inode,
 };
 
 static int bd_get_sb(struct file_system_type *fs_type,
@@ -681,8 +682,8 @@ retry:
        if (!bd_may_claim(bdev, whole, holder))
                return -EBUSY;
 
-       /* if someone else is claiming, wait for it to finish */
-       if (whole->bd_claiming && whole->bd_claiming != holder) {
+       /* if claiming is already in progress, wait for it to finish */
+       if (whole->bd_claiming) {
                wait_queue_head_t *wq = bit_waitqueue(&whole->bd_claiming, 0);
                DEFINE_WAIT(wait);