The patch titled
Subject: ocfs2: export ocfs2_kset for online file check
has been added to the -mm tree. Its filename is
ocfs2-export-ocfs2_kset-for-online-file-check.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-export-ocfs2_kset-for-online-file-check.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-export-ocfs2_kset-for-online-file-check.patch
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From: Gang He <ghe@xxxxxxxx>
Subject: ocfs2: export ocfs2_kset for online file check
When there are errors in the ocfs2 filesystem,
they are usually accompanied by the inode number which caused the error.
This inode number would be the input to fixing the file.
One of these options could be considered:
A file in the sys filesytem which would accept inode numbers.
This could be used to communication back what has to be fixed or is fixed.
You could write:
$# echo "<inode>" > /sys/fs/ocfs2/devname/filecheck/check
or
$# echo "<inode>" > /sys/fs/ocfs2/devname/filecheck/fix
Compare with second version, I re-design filecheck sysfs interfaces, there
are three sysfs files (check, fix and set) under filecheck directory (see
above), sysfs will accept only one argument <inode>. Second, I adjust
some code in ocfs2_filecheck_repair_inode_block() function according to
upstream feedback, we cannot just add VALID_FL flag back as a inode block
fix, then we will not fix this field corruption currently until having a
complete solution. Compare with first version, I use strncasecmp instead
of double strncmp functions. Second, update the source file contribution
vendor.
This patch (of 4):
Export ocfs2_kset object from ocfs2_stackglue kernel module, then online
file check code will create the related sysfiles under ocfs2_kset object.
Signed-off-by: Gang He <ghe@xxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <joseph.qi@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/stackglue.c | 3 ++-
fs/ocfs2/stackglue.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff -puN fs/ocfs2/stackglue.c~ocfs2-export-ocfs2_kset-for-online-file-check fs/ocfs2/stackglue.c
--- a/fs/ocfs2/stackglue.c~ocfs2-export-ocfs2_kset-for-online-file-check
+++ a/fs/ocfs2/stackglue.c
@@ -629,7 +629,8 @@ static struct attribute_group ocfs2_attr
.attrs = ocfs2_attrs,
};
-static struct kset *ocfs2_kset;
+struct kset *ocfs2_kset;
+EXPORT_SYMBOL_GPL(ocfs2_kset);
static void ocfs2_sysfs_exit(void)
{
diff -puN fs/ocfs2/stackglue.h~ocfs2-export-ocfs2_kset-for-online-file-check fs/ocfs2/stackglue.h
--- a/fs/ocfs2/stackglue.h~ocfs2-export-ocfs2_kset-for-online-file-check
+++ a/fs/ocfs2/stackglue.h
@@ -298,4 +298,6 @@ void ocfs2_stack_glue_set_max_proto_vers
int ocfs2_stack_glue_register(struct ocfs2_stack_plugin *plugin);
void ocfs2_stack_glue_unregister(struct ocfs2_stack_plugin *plugin);
+extern struct kset *ocfs2_kset;
+
#endif /* STACKGLUE_H */
_
Patches currently in -mm which might be from ghe@xxxxxxxx are
ocfs2-export-ocfs2_kset-for-online-file-check.patch
ocfs2-sysfile-interfaces-for-online-file-check.patch
ocfs2-create-remove-sysfile-for-online-file-check.patch
ocfs2-check-fix-inode-block-for-online-file-check.patch
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