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bdi: remove the name field in struct backing_dev_info 

The name is only printed for a not registered bdi in writeback.  Use the
device name there as is more useful anyway for the unlike case that the
warning triggers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
alistair/sunxi64-5.8
Christoph Hellwig 2020-05-04 14:48:01 +02:00 committed by Jens Axboe
parent aef33c2ff8
commit 1cd925d583
6 changed files with 1 additions and 8 deletions
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1
block/blk-core.c
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@ -511,7 +511,6 @@ struct request_queue *__blk_alloc_queue(int node_id)
q->backing_dev_info->ra_pages = VM_READAHEAD_PAGES;
q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK;
q->backing_dev_info->name = "block";
q->node = node_id;
timer_setup(&q->backing_dev_info->laptop_mode_wb_timer,

1
drivers/mtd/mtdcore.c
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@ -2040,7 +2040,6 @@ static struct backing_dev_info * __init mtd_bdi_init(char *name)
if (!bdi)
return ERR_PTR(-ENOMEM);
bdi->name = name;
/*
* We put '-0' suffix to the name to get the same name format as we
* used to get. Since this is called only once, we get a unique name.

2
fs/fs-writeback.c
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@ -2320,7 +2320,7 @@ void __mark_inode_dirty(struct inode *inode, int flags)
WARN(bdi_cap_writeback_dirty(wb->bdi) &&
!test_bit(WB_registered, &wb->state),
"bdi-%s not registered\n", wb->bdi->name);
"bdi-%s not registered\n", bdi_dev_name(wb->bdi));
inode->dirtied_when = jiffies;
if (dirtytime)

2
fs/super.c
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@ -1602,8 +1602,6 @@ int super_setup_bdi_name(struct super_block *sb, char *fmt, ...)
if (!bdi)
return -ENOMEM;
bdi->name = sb->s_type->name;
va_start(args, fmt);
err = bdi_register_va(bdi, fmt, args);
va_end(args);

2
include/linux/backing-dev-defs.h
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@ -193,8 +193,6 @@ struct backing_dev_info {
congested_fn *congested_fn; /* Function pointer if device is md/dm */
void *congested_data; /* Pointer to aux data for congested func */
const char *name;
struct kref refcnt; /* Reference counter for the structure */
unsigned int capabilities; /* Device capabilities */
unsigned int min_ratio;

1
mm/backing-dev.c
View File

@ -15,7 +15,6 @@
#include <trace/events/writeback.h>
struct backing_dev_info noop_backing_dev_info = {
.name = "noop",
.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
};
EXPORT_SYMBOL_GPL(noop_backing_dev_info);