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Commit ac7ac9f2 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  ocfs2: ocfs2_write_begin_nolock() should handle len=0
  ocfs2: invalidate dentry if its dentry_lock isn't initialized.
parents ac89a917 8379e7c4

fs/ocfs2/aops.c

+2 −2
Original line number Diff line number Diff line
@@ -1747,8 +1747,8 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, 
	 * we know zeros will only be needed in the first and/or last cluster.

	 */

	if (clusters_to_alloc || extents_to_split ||

	    wc->w_desc[0].c_needs_zero ||

	    wc->w_desc[wc->w_clen - 1].c_needs_zero)

	    (wc->w_clen && (wc->w_desc[0].c_needs_zero ||

			    wc->w_desc[wc->w_clen - 1].c_needs_zero)))

		cluster_of_pages = 1;

	else

		cluster_of_pages = 0;

fs/ocfs2/dcache.c

+11 −0
Original line number Diff line number Diff line
@@ -85,6 +85,17 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, 
		goto bail;

	}



	/*

	 * If the last lookup failed to create dentry lock, let us

	 * redo it.

	 */

	if (!dentry->d_fsdata) {

		mlog(0, "Inode %llu doesn't have dentry lock, "

		     "returning false\n",

		     (unsigned long long)OCFS2_I(inode)->ip_blkno);

		goto bail;

	}



	ret = 1;



bail: