writeback: add name to backing_dev_info

This enables us to track who does what and print info. Its main use is catching dirty inodes on the default_backing_dev_info, so we can fix that up.

Jens Axboe committed 17 years ago

Commit d9938311 parent f09b00d17 files · +18 −0Browse files

Unified · Split

17 files

@@ -501,6 +501,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id) · 500 unmodified lines
501	501	(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
502	502	q->backing_dev_info.state = 0;
503	503	q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
	504	+ q->backing_dev_info.name = "block";
504	505
505	506	err = bdi_init(&q->backing_dev_info);
506	507	if (err) {

@@ -268,6 +268,7 @@ aoeblk_gdalloc(void *vp) · 267 unmodified lines
268	268	if (!d->blkq)
269	269	goto err_mempool;
270	270	blk_queue_make_request(d->blkq, aoeblk_make_request);
	271	+ d->blkq->backing_dev_info.name = "aoe";
271	272	if (bdi_init(&d->blkq->backing_dev_info))
272	273	goto err_blkq;
273	274	spin_lock_irqsave(&d->lock, flags);

@@ -822,6 +822,7 @@ static const struct file_operations zero_fops = { · 821 unmodified lines
822	822	* - permits private mappings, "copies" are taken of the source of zeros
823	823	*/
824	824	static struct backing_dev_info zero_bdi = {
	825	+ .name = "char/mem",
825	826	.capabilities = BDI_CAP_MAP_COPY,
826	827	};
827	828

@@ -1352,6 +1352,7 @@ static int setup_bdi(struct btrfs_fs_info info, struct backing_dev_info bdi) · 1351 unmodified lines
1352	1352	{
1353	1353	int err;
1354	1354
	1355	+ bdi->name = "btrfs";
1355	1356	bdi->capabilities = BDI_CAP_MAP_COPY;
1356	1357	err = bdi_init(bdi);
1357	1358	if (err)

@@ -31,6 +31,7 @@ · 30 unmodified lines
31	31	* - no readahead or I/O queue unplugging required
32	32	*/
33	33	struct backing_dev_info directly_mappable_cdev_bdi = {
	34	+ .name = "char",
34	35	.capabilities = (
35	36	#ifdef CONFIG_MMU
36	37	/* permit private copies of the data to be taken */

@@ -51,6 +51,7 @@ static const struct address_space_operations configfs_aops = { · 50 unmodified lines
51	51	};
52	52
53	53	static struct backing_dev_info configfs_backing_dev_info = {
	54	+ .name = "configfs",
54	55	.ra_pages = 0, /* No readahead */
55	56	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
56	57	};

@@ -801,6 +801,7 @@ static int fuse_bdi_init(struct fuse_conn fc, struct super_block sb) · 800 unmodified lines
801	801	{
802	802	int err;
803	803
	804	+ fc->bdi.name = "fuse";
804	805	fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
805	806	fc->bdi.unplug_io_fn = default_unplug_io_fn;
806	807	/* fuse does it's own writeback accounting */

@@ -44,6 +44,7 @@ static const struct inode_operations hugetlbfs_dir_inode_operations; · 43 unmodified lines
44	44	static const struct inode_operations hugetlbfs_inode_operations;
45	45
46	46	static struct backing_dev_info hugetlbfs_backing_dev_info = {
	47	+ .name = "hugetlbfs",
47	48	.ra_pages = 0, /* No readahead */
48	49	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
49	50	};

@@ -879,6 +879,7 @@ static void nfs_server_set_fsinfo(struct nfs_server server, struct nfs_fsinfo · 878 unmodified lines
879	879	server->rsize = NFS_MAX_FILE_IO_SIZE;
880	880	server->rpages = (server->rsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
881	881
	882	+ server->backing_dev_info.name = "nfs";
882	883	server->backing_dev_info.ra_pages = server->rpages * NFS_MAX_READAHEAD;
883	884
884	885	if (server->wsize > max_rpc_payload)

@@ -325,6 +325,7 @@ clear_fields: · 324 unmodified lines
325	325	}
326	326
327	327	static struct backing_dev_info dlmfs_backing_dev_info = {
	328	+ .name = "ocfs2-dlmfs",
328	329	.ra_pages = 0, /* No readahead */
329	330	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
330	331	};

@@ -46,6 +46,7 @@ static const struct super_operations ramfs_ops; · 45 unmodified lines
46	46	static const struct inode_operations ramfs_dir_inode_operations;
47	47
48	48	static struct backing_dev_info ramfs_backing_dev_info = {
	49	+ .name = "ramfs",
49	50	.ra_pages = 0, /* No readahead */
50	51	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK \|
51	52	BDI_CAP_MAP_DIRECT \| BDI_CAP_MAP_COPY \|

@@ -29,6 +29,7 @@ static const struct address_space_operations sysfs_aops = { · 28 unmodified lines
29	29	};
30	30
31	31	static struct backing_dev_info sysfs_backing_dev_info = {
	32	+ .name = "sysfs",
32	33	.ra_pages = 0, /* No readahead */
33	34	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
34	35	};

@@ -1965,6 +1965,7 @@ static int ubifs_fill_super(struct super_block sb, void data, int silent) · 1964 unmodified lines
1965	1965	*
1966	1966	* Read-ahead will be disabled because @c->bdi.ra_pages is 0.
1967	1967	*/
	1968	+ c->bdi.name = "ubifs",
1968	1969	c->bdi.capabilities = BDI_CAP_MAP_COPY;
1969	1970	c->bdi.unplug_io_fn = default_unplug_io_fn;
1970	1971	err = bdi_init(&c->bdi);

@@ -66,6 +66,8 @@ struct backing_dev_info { · 65 unmodified lines
66	66	void (unplug_io_fn)(struct backing_dev_info , struct page *);
67	67	void *unplug_io_data;
68	68
	69	+ char *name;
	70	+
69	71	struct percpu_counter bdi_stat[NR_BDI_STAT_ITEMS];
70	72
71	73	struct prop_local_percpu completions;

@@ -600,6 +600,7 @@ static struct inode_operations cgroup_dir_inode_operations; · 599 unmodified lines
600	600	static struct file_operations proc_cgroupstats_operations;
601	601
602	602	static struct backing_dev_info cgroup_backing_dev_info = {
	603	+ .name = "cgroup",
603	604	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
604	605	};
605	606

@@ -17,6 +17,7 @@ void default_unplug_io_fn(struct backing_dev_info bdi, struct page page) · 16 unmodified lines
17	17	EXPORT_SYMBOL(default_unplug_io_fn);
18	18
19	19	struct backing_dev_info default_backing_dev_info = {
	20	+ .name = "default",
20	21	.ra_pages = VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE,
21	22	.state = 0,
22	23	.capabilities = BDI_CAP_MAP_COPY,

@@ -34,6 +34,7 @@ static const struct address_space_operations swap_aops = { · 33 unmodified lines
34	34	};
35	35
36	36	static struct backing_dev_info swap_backing_dev_info = {
	37	+ .name = "swap",
37	38	.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK \| BDI_CAP_SWAP_BACKED,
38	39	.unplug_io_fn = swap_unplug_io_fn,
39	40	};

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