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| author | NeilBrown <neilb@suse.de> | 2010-06-01 19:37:23 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2010-07-21 13:27:53 +1000 |
| commit | 00bcb4ac7ee7e557a491b614219142cea0ef16f4 (patch) | |
| tree | 992cfa1d0e653aa3de8f0865c5e1a5a0fee4f935 /drivers/md/md.h | |
| parent | d0c6f6258478e1dba532bf7c28e2cd6e1047d3a4 (diff) | |
| download | linux-00bcb4ac7ee7e557a491b614219142cea0ef16f4.tar.gz linux-00bcb4ac7ee7e557a491b614219142cea0ef16f4.tar.bz2 linux-00bcb4ac7ee7e557a491b614219142cea0ef16f4.zip | |
md: reduce dependence on sysfs.
We will want md devices to live as dm targets where sysfs is not
visible. So allow md to not connect to sysfs.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 10597bfec000..1e6405918eec 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -382,6 +382,18 @@ struct md_sysfs_entry { }; extern struct attribute_group md_bitmap_group; +static inline struct sysfs_dirent *sysfs_get_dirent_safe(struct sysfs_dirent *sd, char *name) +{ + if (sd) + return sysfs_get_dirent(sd, NULL, name); + return sd; +} +static inline void sysfs_notify_dirent_safe(struct sysfs_dirent *sd) +{ + if (sd) + sysfs_notify_dirent(sd); +} + static inline char * mdname (mddev_t * mddev) { return mddev->gendisk ? mddev->gendisk->disk_name : "mdX"; |