Commit e0fcc9c6 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Pull gfs2 updates from Andreas Gruenbacher:

 - Fix revoke processing at unmount and on read-only remount

 - Refuse reading in inodes with an impossible indirect block height

 - Various minor cleanups

* tag 'gfs2-v6.3-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: gfs2_ail_empty_gl no log flush on error
  gfs2: Issue message when revokes cannot be written
  gfs2: Perform second log flush in gfs2_make_fs_ro
  gfs2: return errors from gfs2_ail_empty_gl
  gfs2: Move variable assignment behind a null pointer check in inode_go_dump
  gfs2: Use gfs2_holder_initialized for jindex
  gfs2: Eliminate gfs2_trim_blocks
  gfs2: Fix inode height consistency check
  gfs2: Remove ghs[] from gfs2_unlink
  gfs2: Remove ghs[] from gfs2_link
  gfs2: Remove duplicate i_nlink check from gfs2_link()
parents 85d7ab24 644f6bf7
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+0 −8
Original line number Diff line number Diff line
@@ -2035,14 +2035,6 @@ static int do_shrink(struct inode *inode, u64 newsize)
	return error;
}

void gfs2_trim_blocks(struct inode *inode)
{
	int ret;

	ret = do_shrink(inode, inode->i_size);
	WARN_ON(ret != 0);
}

/**
 * do_grow - Touch and update inode size
 * @inode: The inode
+0 −1
Original line number Diff line number Diff line
@@ -58,7 +58,6 @@ extern int gfs2_get_extent(struct inode *inode, u64 lblock, u64 *dblock,
extern int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
			     unsigned *extlen, bool *new);
extern int gfs2_setattr_size(struct inode *inode, u64 size);
extern void gfs2_trim_blocks(struct inode *inode);
extern int gfs2_truncatei_resume(struct gfs2_inode *ip);
extern int gfs2_file_dealloc(struct gfs2_inode *ip);
extern int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
+15 −8
Original line number Diff line number Diff line
@@ -90,7 +90,7 @@ static int gfs2_ail_empty_gl(struct gfs2_glock *gl)
	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
	struct gfs2_trans tr;
	unsigned int revokes;
	int ret;
	int ret = 0;

	revokes = atomic_read(&gl->gl_ail_count);

@@ -124,15 +124,18 @@ static int gfs2_ail_empty_gl(struct gfs2_glock *gl)
	memset(&tr, 0, sizeof(tr));
	set_bit(TR_ONSTACK, &tr.tr_flags);
	ret = __gfs2_trans_begin(&tr, sdp, 0, revokes, _RET_IP_);
	if (ret)
	if (ret) {
		fs_err(sdp, "Transaction error %d: Unable to write revokes.", ret);
		goto flush;
	}
	__gfs2_ail_flush(gl, 0, revokes);
	gfs2_trans_end(sdp);

flush:
	if (!ret)
		gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL |
				GFS2_LFC_AIL_EMPTY_GL);
	return 0;
	return ret;
}

void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
@@ -326,7 +329,9 @@ static int inode_go_sync(struct gfs2_glock *gl)
	ret = gfs2_inode_metasync(gl);
	if (!error)
		error = ret;
	gfs2_ail_empty_gl(gl);
	ret = gfs2_ail_empty_gl(gl);
	if (!error)
		error = ret;
	/*
	 * Writeback of the data mapping may cause the dirty flag to be set
	 * so we have to clear it again here.
@@ -396,6 +401,7 @@ static int inode_go_demote_ok(const struct gfs2_glock *gl)

static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
{
	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
	const struct gfs2_dinode *str = buf;
	struct timespec64 atime;
	u16 height, depth;
@@ -442,7 +448,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
	/* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */
	gfs2_set_inode_flags(inode);
	height = be16_to_cpu(str->di_height);
	if (unlikely(height > GFS2_MAX_META_HEIGHT))
	if (unlikely(height > sdp->sd_max_height))
		goto corrupt;
	ip->i_height = (u8)height;

@@ -534,12 +540,13 @@ static void inode_go_dump(struct seq_file *seq, struct gfs2_glock *gl,
			  const char *fs_id_buf)
{
	struct gfs2_inode *ip = gl->gl_object;
	struct inode *inode = &ip->i_inode;
	struct inode *inode;
	unsigned long nrpages;

	if (ip == NULL)
		return;

	inode = &ip->i_inode;
	xa_lock_irq(&inode->i_data.i_pages);
	nrpages = inode->i_data.nrpages;
	xa_unlock_irq(&inode->i_data.i_pages);
+22 −25
Original line number Diff line number Diff line
@@ -941,7 +941,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
	struct gfs2_sbd *sdp = GFS2_SB(dir);
	struct inode *inode = d_inode(old_dentry);
	struct gfs2_inode *ip = GFS2_I(inode);
	struct gfs2_holder ghs[2];
	struct gfs2_holder d_gh, gh;
	struct buffer_head *dibh;
	struct gfs2_diradd da = { .bh = NULL, .save_loc = 1, };
	int error;
@@ -953,14 +953,14 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
	if (error)
		return error;

	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1);
	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, &d_gh);
	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);

	error = gfs2_glock_nq(ghs); /* parent */
	error = gfs2_glock_nq(&d_gh);
	if (error)
		goto out_parent;

	error = gfs2_glock_nq(ghs + 1); /* child */
	error = gfs2_glock_nq(&gh);
	if (error)
		goto out_child;

@@ -992,9 +992,6 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
	error = -EPERM;
	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
		goto out_gunlock;
	error = -EINVAL;
	if (!ip->i_inode.i_nlink)
		goto out_gunlock;
	error = -EMLINK;
	if (ip->i_inode.i_nlink == (u32)-1)
		goto out_gunlock;
@@ -1049,13 +1046,13 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
		gfs2_quota_unlock(dip);
out_gunlock:
	gfs2_dir_no_add(&da);
	gfs2_glock_dq(ghs + 1);
	gfs2_glock_dq(&gh);
out_child:
	gfs2_glock_dq(ghs);
	gfs2_glock_dq(&d_gh);
out_parent:
	gfs2_qa_put(dip);
	gfs2_holder_uninit(ghs);
	gfs2_holder_uninit(ghs + 1);
	gfs2_holder_uninit(&d_gh);
	gfs2_holder_uninit(&gh);
	return error;
}

@@ -1146,7 +1143,7 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
	struct gfs2_sbd *sdp = GFS2_SB(dir);
	struct inode *inode = d_inode(dentry);
	struct gfs2_inode *ip = GFS2_I(inode);
	struct gfs2_holder ghs[3];
	struct gfs2_holder d_gh, r_gh, gh;
	struct gfs2_rgrpd *rgd;
	int error;

@@ -1156,21 +1153,21 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)

	error = -EROFS;

	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
	gfs2_holder_init(ip->i_gl,  LM_ST_EXCLUSIVE, 0, ghs + 1);
	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, &d_gh);
	gfs2_holder_init(ip->i_gl,  LM_ST_EXCLUSIVE, 0, &gh);

	rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);
	if (!rgd)
		goto out_inodes;

	gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, LM_FLAG_NODE_SCOPE, ghs + 2);
	gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, LM_FLAG_NODE_SCOPE, &r_gh);


	error = gfs2_glock_nq(ghs); /* parent */
	error = gfs2_glock_nq(&d_gh);
	if (error)
		goto out_parent;

	error = gfs2_glock_nq(ghs + 1); /* child */
	error = gfs2_glock_nq(&gh);
	if (error)
		goto out_child;

@@ -1184,7 +1181,7 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
			goto out_rgrp;
	}

	error = gfs2_glock_nq(ghs + 2); /* rgrp */
	error = gfs2_glock_nq(&r_gh); /* rgrp */
	if (error)
		goto out_rgrp;

@@ -1200,16 +1197,16 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
	gfs2_trans_end(sdp);

out_gunlock:
	gfs2_glock_dq(ghs + 2);
	gfs2_glock_dq(&r_gh);
out_rgrp:
	gfs2_glock_dq(ghs + 1);
	gfs2_glock_dq(&gh);
out_child:
	gfs2_glock_dq(ghs);
	gfs2_glock_dq(&d_gh);
out_parent:
	gfs2_holder_uninit(ghs + 2);
	gfs2_holder_uninit(&r_gh);
out_inodes:
	gfs2_holder_uninit(ghs + 1);
	gfs2_holder_uninit(ghs);
	gfs2_holder_uninit(&gh);
	gfs2_holder_uninit(&d_gh);
	return error;
}

+3 −6
Original line number Diff line number Diff line
@@ -734,13 +734,11 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
	struct inode *master = d_inode(sdp->sd_master_dir);
	struct gfs2_holder ji_gh;
	struct gfs2_inode *ip;
	int jindex = 1;
	int error = 0;

	if (undo) {
		jindex = 0;
	gfs2_holder_mark_uninitialized(&ji_gh);
	if (undo)
		goto fail_statfs;
	}

	sdp->sd_jindex = gfs2_lookup_simple(master, "jindex");
	if (IS_ERR(sdp->sd_jindex)) {
@@ -852,7 +850,6 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
	sdp->sd_log_idle = 1;
	set_bit(SDF_JOURNAL_CHECKED, &sdp->sd_flags);
	gfs2_glock_dq_uninit(&ji_gh);
	jindex = 0;
	INIT_WORK(&sdp->sd_freeze_work, gfs2_freeze_func);
	return 0;

@@ -869,7 +866,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
		gfs2_glock_dq_uninit(&sdp->sd_journal_gh);
fail_jindex:
	gfs2_jindex_free(sdp);
	if (jindex)
	if (gfs2_holder_initialized(&ji_gh))
		gfs2_glock_dq_uninit(&ji_gh);
fail:
	iput(sdp->sd_jindex);
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