Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 352986
b: refs/heads/master
c: fb0af3f
h: refs/heads/master
v: v3
  • Loading branch information
Josh Boyer authored and Tony Luck committed Feb 12, 2013
1 parent 3929187 commit c69a81d
Show file tree
Hide file tree
Showing 3 changed files with 23 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a93bc0c6e07ed9bac44700280e65e2945d864fd4
refs/heads/master: fb0af3f2b1b613e5ea75426d454c7e5b1d1eef49
10 changes: 5 additions & 5 deletions trunk/Documentation/ABI/testing/pstore
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
Where: /dev/pstore/...
Where: /sys/fs/pstore/... (or /dev/pstore/...)
Date: March 2011
Kernel Version: 2.6.39
Contact: tony.luck@intel.com
Expand All @@ -11,9 +11,9 @@ Description: Generic interface to platform dependent persistent storage.
of the console log is captured, but other interesting
data can also be saved.

# mount -t pstore -o kmsg_bytes=8000 - /dev/pstore
# mount -t pstore -o kmsg_bytes=8000 - /sys/fs/pstore

$ ls -l /dev/pstore
$ ls -l /sys/fs/pstore/
total 0
-r--r--r-- 1 root root 7896 Nov 30 15:38 dmesg-erst-1

Expand All @@ -27,9 +27,9 @@ Description: Generic interface to platform dependent persistent storage.
the file will signal to the underlying persistent storage
device that it can reclaim the space for later re-use.

$ rm /dev/pstore/dmesg-erst-1
$ rm /sys/fs/pstore/dmesg-erst-1

The expectation is that all files in /dev/pstore
The expectation is that all files in /sys/fs/pstore/
will be saved elsewhere and erased from persistent store
soon after boot to free up space ready for the next
catastrophe.
Expand Down
18 changes: 17 additions & 1 deletion trunk/fs/pstore/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -418,9 +418,25 @@ static struct file_system_type pstore_fs_type = {
.kill_sb = pstore_kill_sb,
};

static struct kobject *pstore_kobj;

static int __init init_pstore_fs(void)
{
return register_filesystem(&pstore_fs_type);
int err = 0;

/* Create a convenient mount point for people to access pstore */
pstore_kobj = kobject_create_and_add("pstore", fs_kobj);
if (!pstore_kobj) {
err = -ENOMEM;
goto out;
}

err = register_filesystem(&pstore_fs_type);
if (err < 0)
kobject_put(pstore_kobj);

out:
return err;
}
module_init(init_pstore_fs)

Expand Down

0 comments on commit c69a81d

Please sign in to comment.