The patch titled
mm: bdi: use MAJOR:MINOR in /sys/class/bdi
has been added to the -mm tree. Its filename is
mm-bdi-export-bdi-attributes-in-sysfs-fix-2.patch
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------------------------------------------------------
Subject: mm: bdi: use MAJOR:MINOR in /sys/class/bdi
From: Miklos Szeredi <mszeredi@xxxxxxx>
Uniformly use MAJOR:MINOR in /sys/class/bdi/ for both block devices
and non-block device backed filesystems: FUSE and NFS.
Add symlink for block devices:
/sys/block/<name>/bdi -> /sys/class/bdi/<bdi>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
block/genhd.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff -puN block/genhd.c~mm-bdi-export-bdi-attributes-in-sysfs-fix-2 block/genhd.c
--- a/block/genhd.c~mm-bdi-export-bdi-attributes-in-sysfs-fix-2
+++ a/block/genhd.c
@@ -178,13 +178,17 @@ static int exact_lock(dev_t devt, void *
*/
void add_disk(struct gendisk *disk)
{
+ struct backing_dev_info *bdi;
+
disk->flags |= GENHD_FL_UP;
blk_register_region(MKDEV(disk->major, disk->first_minor),
disk->minors, NULL, exact_match, exact_lock, disk);
register_disk(disk);
blk_register_queue(disk);
- bdi_register(&disk->queue->backing_dev_info, NULL,
- "blk-%s", disk->disk_name);
+
+ bdi = &disk->queue->backing_dev_info;
+ bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor));
+ sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi");
}
EXPORT_SYMBOL(add_disk);
@@ -192,8 +196,9 @@ EXPORT_SYMBOL(del_gendisk); /* in partit
void unlink_gendisk(struct gendisk *disk)
{
- blk_unregister_queue(disk);
+ sysfs_remove_link(&disk->dev.kobj, "bdi");
bdi_unregister(&disk->queue->backing_dev_info);
+ blk_unregister_queue(disk);
blk_unregister_region(MKDEV(disk->major, disk->first_minor),
disk->minors);
}
_
Patches currently in -mm which might be from mszeredi@xxxxxxx are
origin.patch
sys_remap_file_pages-fix-vm_file-accounting.patch
fuse-fix-attribute-caching-after-create.patch
fuse-save-space-in-struct-fuse_req.patch
fuse-limit-queued-background-requests.patch
mount-options-add-documentation.patch
mount-options-add-generic_show_options.patch
mount-options-fix-adfs.patch
mount-options-fix-affs.patch
mount-options-fix-afs.patch
mount-options-fix-autofs4.patch
mount-options-fix-autofs.patch
mount-options-fix-befs.patch
mount-options-fix-capifs.patch
mount-options-fix-devpts.patch
mount-options-fix-ext2.patch
mount-options-fix-fat.patch
mount-options-fix-fuse.patch
mount-options-fix-hostfs.patch
mount-options-fix-hpfs.patch
mount-options-fix-hugetlbfs.patch
mount-options-fix-isofs.patch
mount-options-fix-ncpfs.patch
mount-options-fix-reiserfs.patch
mount-options-fix-spufs.patch
mount-options-fix-tmpfs.patch
mount-options-fix-tmpfs-fix.patch
mount-options-fix-udf.patch
vfs-create-proc-pid-mountinfo.patch
mm-bdi-export-bdi-attributes-in-sysfs.patch
mm-bdi-export-bdi-attributes-in-sysfs-fix.patch
mm-bdi-export-bdi-attributes-in-sysfs-fix-2.patch
mm-bdi-export-bdi-attributes-in-sysfs-fix-3.patch
mm-bdi-export-bdi-attributes-in-sysfs-fix-4.patch
mm-bdi-expose-the-bdi-object-in-sysfs-for-nfs.patch
mm-bdi-expose-the-bdi-object-in-sysfs-for-nfs-fix.patch
mm-bdi-expose-the-bdi-object-in-sysfs-for-fuse.patch
mm-bdi-expose-the-bdi-object-in-sysfs-for-fuse-fix.patch
mm-bdi-allow-setting-a-minimum-for-the-bdi-dirty-limit.patch
mm-bdi-allow-setting-a-maximum-for-the-bdi-dirty-limit.patch
mm-bdi-allow-setting-a-maximum-for-the-bdi-dirty-limit-fix.patch
mm-bdi-move-statistics-to-debugfs.patch
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