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Commit f1f54068 authored by Mark Fasheh's avatar Mark Fasheh
Browse files

ocfs2: Add data downconvert worker to inode lock 



In order to extend inode lock coverage to inode data, we use the same data
downconvert worker with only a small modification to only do work for
regular files.

Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent 34d024f8

fs/ocfs2/dlmglue.c

+5 −0
Original line number Diff line number Diff line
@@ -228,6 +228,7 @@ static struct ocfs2_lock_res_ops ocfs2_inode_meta_lops = { 
	.get_osb	= ocfs2_get_inode_osb,

	.check_downconvert = ocfs2_check_meta_downconvert,

	.set_lvb	= ocfs2_set_meta_lvb,

	.downconvert_worker = ocfs2_data_convert_worker,

	.flags		= LOCK_TYPE_REQUIRES_REFRESH|LOCK_TYPE_USES_LVB,

};
@@ -2851,6 +2852,9 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres, 
       	inode = ocfs2_lock_res_inode(lockres);

	mapping = inode->i_mapping;



	if (S_ISREG(inode->i_mode))

		goto out;



	/*

	 * We need this before the filemap_fdatawrite() so that it can

	 * transfer the dirty bit from the PTE to the
@@ -2876,6 +2880,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres, 
		filemap_fdatawait(mapping);

	}



out:

	return UNBLOCK_CONTINUE;

}