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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2006-02-23 02:35:08 +0100 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-03-01 20:32:41 +0100 |
| commit | b4df6ed8db0c387d38292e31f00adc4cd297ed5a (patch) | |
| tree | d7dcaeecfa55b3fd9d6c4844d90e07759182f845 /fs/ocfs2/super.c | |
| parent | [PATCH] ocfs2: complete failure recovery for nodemanager init (diff) | |
| download | linux-b4df6ed8db0c387d38292e31f00adc4cd297ed5a.tar.xz linux-b4df6ed8db0c387d38292e31f00adc4cd297ed5a.zip | |
[PATCH] ocfs2: fix orphan recovery deadlock
Orphan dir recovery can deadlock with another process in
ocfs2_delete_inode() in some corner cases. Fix this by tracking recovery
state more closely and allowing it to handle inode wipes which might
deadlock.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/super.c')
| -rw-r--r-- | fs/ocfs2/super.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 046824b6b625..8dd3aafec499 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1325,6 +1325,16 @@ static int ocfs2_initialize_super(struct super_block *sb, } mlog(ML_NOTICE, "max_slots for this device: %u\n", osb->max_slots); + init_waitqueue_head(&osb->osb_wipe_event); + osb->osb_orphan_wipes = kcalloc(osb->max_slots, + sizeof(*osb->osb_orphan_wipes), + GFP_KERNEL); + if (!osb->osb_orphan_wipes) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + osb->s_feature_compat = le32_to_cpu(OCFS2_RAW_SB(di)->s_feature_compat); osb->s_feature_ro_compat = @@ -1638,6 +1648,7 @@ static void ocfs2_delete_osb(struct ocfs2_super *osb) if (osb->slot_info) ocfs2_free_slot_info(osb->slot_info); + kfree(osb->osb_orphan_wipes); /* FIXME * This belongs in journal shutdown, but because we have to * allocate osb->journal at the start of ocfs2_initalize_osb(), |