diff options
author | Steven Whitehouse <swhiteho@redhat.com> | 2008-12-19 15:32:06 +0000 |
---|---|---|
committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-01-05 07:39:18 +0000 |
commit | fefc03bfedeff2002f14e848ecb7c0cd77ee0b15 (patch) | |
tree | 830ec1d36b8688a70580e8c5c18ac5f40015448f /fs/gfs2/super.c | |
parent | 7ed122e42c72b3e4531f8b4a9f72159e8303ac15 (diff) |
Revert "GFS2: Fix use-after-free bug on umount"
This reverts commit 78802499912f1ba31ce83a94c55b5a980f250a43.
The original patch is causing problems in relation to order of
operations at umount in relation to jdata files. I need to fix
this a different way.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/super.c')
-rw-r--r-- | fs/gfs2/super.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index f14658b20204..141b781f2fcc 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -33,6 +33,40 @@ #include "trans.h" #include "util.h" +/** + * gfs2_jindex_free - Clear all the journal index information + * @sdp: The GFS2 superblock + * + */ + +void gfs2_jindex_free(struct gfs2_sbd *sdp) +{ + struct list_head list, *head; + struct gfs2_jdesc *jd; + struct gfs2_journal_extent *jext; + + spin_lock(&sdp->sd_jindex_spin); + list_add(&list, &sdp->sd_jindex_list); + list_del_init(&sdp->sd_jindex_list); + sdp->sd_journals = 0; + spin_unlock(&sdp->sd_jindex_spin); + + while (!list_empty(&list)) { + jd = list_entry(list.next, struct gfs2_jdesc, jd_list); + head = &jd->extent_list; + while (!list_empty(head)) { + jext = list_entry(head->next, + struct gfs2_journal_extent, + extent_list); + list_del(&jext->extent_list); + kfree(jext); + } + list_del(&jd->jd_list); + iput(jd->jd_inode); + kfree(jd); + } +} + static struct gfs2_jdesc *jdesc_find_i(struct list_head *head, unsigned int jid) { struct gfs2_jdesc *jd; |