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| author | Steven Whitehouse <swhiteho@redhat.com> | 2009-08-13 12:18:08 +0100 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-08-17 11:11:18 +0100 |
| commit | 31e54b01f3f00b595aac02e887960e5dcc575844 (patch) | |
| tree | 61518f30980188ce060ae045b28f19a4022608c2 /fs/gfs2 | |
| parent | 05164e5b37a8329bfbcf72f526302cb2dd885fbd (diff) | |
| download | lwn-31e54b01f3f00b595aac02e887960e5dcc575844.tar.gz lwn-31e54b01f3f00b595aac02e887960e5dcc575844.zip | |
GFS2: Add sysfs link to device
This adds a link from the per-gfs2 sb sysfs directory to
the block device upon which the filesystem is mounted. The
link is called "device", strangely enough :-)
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/sys.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index dda4bf1e9eb4..0d4f7e974e9f 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -16,6 +16,7 @@ #include <linux/kobject.h> #include <asm/uaccess.h> #include <linux/gfs2_ondisk.h> +#include <linux/genhd.h> #include "gfs2.h" #include "incore.h" @@ -542,9 +543,17 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) if (error) goto fail_tune; + error = sysfs_create_link(&sdp->sd_kobj, + &disk_to_dev(sb->s_bdev->bd_disk)->kobj, + "device"); + if (error) + goto fail_lock_module; + kobject_uevent_env(&sdp->sd_kobj, KOBJ_ADD, envp); return 0; +fail_lock_module: + sysfs_remove_group(&sdp->sd_kobj, &lock_module_group); fail_tune: sysfs_remove_group(&sdp->sd_kobj, &tune_group); fail_reg: @@ -556,6 +565,7 @@ fail: void gfs2_sys_fs_del(struct gfs2_sbd *sdp) { + sysfs_remove_link(&sdp->sd_kobj, "device"); sysfs_remove_group(&sdp->sd_kobj, &tune_group); sysfs_remove_group(&sdp->sd_kobj, &lock_module_group); kobject_put(&sdp->sd_kobj); |