linux-master/block/bdev.c

38 	struct inode vfs_inode;
41 static inline struct bdev_inode *BDEV_I(struct inode *inode)
43 	return container_of(inode, struct bdev_inode, vfs_inode);
46 struct block_device *I_BDEV(struct inode *inode)
48 	return &BDEV_I(inode)->bdev;
60 	struct inode *inode = bdev->bd_inode;
63 	spin_lock(&inode->i_lock);
64 	while (inode->i_state & I_DIRTY) {
65 		spin_unlock(&inode->i_lock);
66 		ret = write_inode_now(inode, true);
69 	"VFS: Dirty inode writeback failed for block device %pg (err=%d).\n",
71 		spin_lock(&inode->i_lock);
73 	spin_unlock(&inode->i_lock);
309 static struct inode *bdev_alloc_inode(struct super_block *sb)
319 static void bdev_free_inode(struct inode *inode)
321 	struct block_device *bdev = I_BDEV(inode);
335 	kmem_cache_free(bdev_cachep, BDEV_I(inode));
345 static void bdev_evict_inode(struct inode *inode)
347 	truncate_inode_pages_final(&inode->i_data);
348 	invalidate_inode_buffers(inode); /* is it needed here? */
349 	clear_inode(inode);
400 	struct inode *inode;
402 	inode = new_inode(blockdev_superblock);
403 	if (!inode)
405 	inode->i_mode = S_IFBLK;
406 	inode->i_rdev = 0;
407 	inode->i_data.a_ops = &def_blk_aops;
408 	mapping_set_gfp_mask(&inode->i_data, GFP_USER);
410 	bdev = I_BDEV(inode);
415 	bdev->bd_inode = inode;
423 		iput(inode);
450 	struct inode *inode;
454 	list_for_each_entry(inode, &blockdev_superblock->s_inodes, i_sb_list)
455 		ret += inode->i_mapping->nrpages;
753 	struct inode *inode;
755 	inode = ilookup(blockdev_superblock, dev);
756 	if (!inode && IS_ENABLED(CONFIG_BLOCK_LEGACY_AUTOLOAD)) {
758 		inode = ilookup(blockdev_superblock, dev);
759 		if (inode)
763 	if (!inode)
766 	/* switch from the inode reference to a device mode one: */
767 	bdev = &BDEV_I(inode)->bdev;
770 	iput(inode);
1129 	struct inode *inode;
1140 	inode = d_backing_inode(path.dentry);
1142 	if (!S_ISBLK(inode->i_mode))
1148 	*dev = inode->i_rdev;
1191 	struct inode *inode, *old_inode = NULL;
1194 	list_for_each_entry(inode, &blockdev_superblock->s_inodes, i_sb_list) {
1195 		struct address_space *mapping = inode->i_mapping;
1198 		spin_lock(&inode->i_lock);
1199 		if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW) ||
1201 			spin_unlock(&inode->i_lock);
1204 		__iget(inode);
1205 		spin_unlock(&inode->i_lock);
1208 		 * We hold a reference to 'inode' so it couldn't have been
1210 		 * s_inode_list_lock  We cannot iput the inode now as we can
1216 		old_inode = inode;
1217 		bdev = I_BDEV(inode);
1229 			filemap_fdatawait_keep_errors(inode->i_mapping);
1231 			filemap_fdatawrite(inode->i_mapping);
1244  * Note that the inode passed to this is the inode of a block device node file,
1245  * not the block device's internal inode.  Therefore it is *not* valid to use
1248 void bdev_statx_dioalign(struct inode *inode, struct kstat *stat)
1252 	bdev = blkdev_get_no_open(inode->i_rdev);