gfs2: Use fs_* functions instead of pr_* function where we can

Before this patch, various errors and messages were reported using
the pr_* functions: pr_err, pr_warn, pr_info, etc., but that does
not tell you which gfs2 mount had the problem, which is often vital
to debugging. This patch changes the calls from pr_* to fs_* in
most of the messages so that the file system id is printed along
with the message.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

fs/gfs2/dir.c

@@ -506,7 +506,8 @@ static int gfs2_dirent_gather(const struct gfs2_dirent *dent,
  * For now the most important thing is to check that the various sizes
  * are correct.
  */
-static int gfs2_check_dirent(struct gfs2_dirent *dent, unsigned int offset,
+static int gfs2_check_dirent(struct gfs2_sbd *sdp,
+			     struct gfs2_dirent *dent, unsigned int offset,
 			     unsigned int size, unsigned int len, int first)
 {
 	const char *msg = "gfs2_dirent too small";
@@ -528,12 +529,12 @@ static int gfs2_check_dirent(struct gfs2_dirent *dent, unsigned int offset,
 		goto error;
 	return 0;
 error:
-	pr_warn("%s: %s (%s)\n",
+	fs_warn(sdp, "%s: %s (%s)\n",
 		__func__, msg, first ? "first in block" : "not first in block");
 	return -EIO;
 }
 
-static int gfs2_dirent_offset(const void *buf)
+static int gfs2_dirent_offset(struct gfs2_sbd *sdp, const void *buf)
 {
 	const struct gfs2_meta_header *h = buf;
 	int offset;
@@ -552,7 +553,8 @@ static int gfs2_dirent_offset(const void *buf)
 	}
 	return offset;
 wrong_type:
-	pr_warn("%s: wrong block type %u\n", __func__, be32_to_cpu(h->mh_type));
+	fs_warn(sdp, "%s: wrong block type %u\n", __func__,
+		be32_to_cpu(h->mh_type));
 	return -1;
 }
 
@@ -566,7 +568,7 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
 	unsigned size;
 	int ret = 0;
 
-	ret = gfs2_dirent_offset(buf);
+	ret = gfs2_dirent_offset(GFS2_SB(inode), buf);
 	if (ret < 0)
 		goto consist_inode;
 
@@ -574,7 +576,7 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
 	prev = NULL;
 	dent = buf + offset;
 	size = be16_to_cpu(dent->de_rec_len);
-	if (gfs2_check_dirent(dent, offset, size, len, 1))
+	if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1))
 		goto consist_inode;
 	do {
 		ret = scan(dent, name, opaque);
@@ -586,7 +588,8 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
 		prev = dent;
 		dent = buf + offset;
 		size = be16_to_cpu(dent->de_rec_len);
-		if (gfs2_check_dirent(dent, offset, size, len, 0))
+		if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size,
+				      len, 0))
 			goto consist_inode;
 	} while(1);
 
@@ -1043,7 +1046,7 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name)
 	len = BIT(dip->i_depth - be16_to_cpu(oleaf->lf_depth));
 	half_len = len >> 1;
 	if (!half_len) {
-		pr_warn("i_depth %u lf_depth %u index %u\n",
+		fs_warn(GFS2_SB(inode), "i_depth %u lf_depth %u index %u\n",
 			dip->i_depth, be16_to_cpu(oleaf->lf_depth), index);
 		gfs2_consist_inode(dip);
 		error = -EIO;
@@ -1351,7 +1354,7 @@ static int gfs2_set_cookies(struct gfs2_sbd *sdp, struct buffer_head *bh,
 		if (!sdp->sd_args.ar_loccookie)
 			continue;
 		offset = (char *)(darr[i]) -
-			 (bh->b_data + gfs2_dirent_offset(bh->b_data));
+			(bh->b_data + gfs2_dirent_offset(sdp, bh->b_data));
 		offset /= GFS2_MIN_DIRENT_SIZE;
 		offset += leaf_nr * sdp->sd_max_dents_per_leaf;
 		if (offset >= GFS2_USE_HASH_FLAG ||

fs/gfs2/glock.c

@@ -494,7 +494,8 @@ static void finish_xmote(struct gfs2_glock *gl, unsigned int ret)
 			do_xmote(gl, gh, LM_ST_UNLOCKED);
 			break;
 		default: /* Everything else */
-			pr_err("wanted %u got %u\n", gl->gl_target, state);
+			fs_err(gl->gl_name.ln_sbd, "wanted %u got %u\n",
+			       gl->gl_target, state);
 			GLOCK_BUG_ON(gl, 1);
 		}
 		spin_unlock(&gl->gl_lockref.lock);
@@ -577,7 +578,7 @@ __acquires(&gl->gl_lockref.lock)
 			gfs2_glock_queue_work(gl, 0);
 		}
 		else if (ret) {
-			pr_err("lm_lock ret %d\n", ret);
+			fs_err(sdp, "lm_lock ret %d\n", ret);
 			GLOCK_BUG_ON(gl, !test_bit(SDF_SHUTDOWN,
 						   &sdp->sd_flags));
 		}
@@ -1064,13 +1065,13 @@ __acquires(&gl->gl_lockref.lock)
 	return;
 
 trap_recursive:
-	pr_err("original: %pSR\n", (void *)gh2->gh_ip);
-	pr_err("pid: %d\n", pid_nr(gh2->gh_owner_pid));
-	pr_err("lock type: %d req lock state : %d\n",
+	fs_err(sdp, "original: %pSR\n", (void *)gh2->gh_ip);
+	fs_err(sdp, "pid: %d\n", pid_nr(gh2->gh_owner_pid));
+	fs_err(sdp, "lock type: %d req lock state : %d\n",
 	       gh2->gh_gl->gl_name.ln_type, gh2->gh_state);
-	pr_err("new: %pSR\n", (void *)gh->gh_ip);
-	pr_err("pid: %d\n", pid_nr(gh->gh_owner_pid));
-	pr_err("lock type: %d req lock state : %d\n",
+	fs_err(sdp, "new: %pSR\n", (void *)gh->gh_ip);
+	fs_err(sdp, "pid: %d\n", pid_nr(gh->gh_owner_pid));
+	fs_err(sdp, "lock type: %d req lock state : %d\n",
 	       gh->gh_gl->gl_name.ln_type, gh->gh_state);
 	gfs2_dump_glock(NULL, gl);
 	BUG();

fs/gfs2/lock_dlm.c

@@ -177,14 +177,14 @@ static void gdlm_bast(void *arg, int mode)
 		gfs2_glock_cb(gl, LM_ST_SHARED);
 		break;
 	default:
-		pr_err("unknown bast mode %d\n", mode);
+		fs_err(gl->gl_name.ln_sbd, "unknown bast mode %d\n", mode);
 		BUG();
 	}
 }
 
 /* convert gfs lock-state to dlm lock-mode */
 
-static int make_mode(const unsigned int lmstate)
+static int make_mode(struct gfs2_sbd *sdp, const unsigned int lmstate)
 {
 	switch (lmstate) {
 	case LM_ST_UNLOCKED:
@@ -196,7 +196,7 @@ static int make_mode(const unsigned int lmstate)
 	case LM_ST_SHARED:
 		return DLM_LOCK_PR;
 	}
-	pr_err("unknown LM state %d\n", lmstate);
+	fs_err(sdp, "unknown LM state %d\n", lmstate);
 	BUG();
 	return -1;
 }
@@ -257,7 +257,7 @@ static int gdlm_lock(struct gfs2_glock *gl, unsigned int req_state,
 	u32 lkf;
 	char strname[GDLM_STRNAME_BYTES] = "";
 
-	req = make_mode(req_state);
+	req = make_mode(gl->gl_name.ln_sbd, req_state);
 	lkf = make_flags(gl, flags, req);
 	gfs2_glstats_inc(gl, GFS2_LKS_DCOUNT);
 	gfs2_sbstats_inc(gl, GFS2_LKS_DCOUNT);
@@ -309,7 +309,7 @@ static void gdlm_put_lock(struct gfs2_glock *gl)
 	error = dlm_unlock(ls->ls_dlm, gl->gl_lksb.sb_lkid, DLM_LKF_VALBLK,
 			   NULL, gl);
 	if (error) {
-		pr_err("gdlm_unlock %x,%llx err=%d\n",
+		fs_err(sdp, "gdlm_unlock %x,%llx err=%d\n",
 		       gl->gl_name.ln_type,
 		       (unsigned long long)gl->gl_name.ln_number, error);
 		return;

fs/gfs2/rgrp.c

@@ -101,12 +101,16 @@ static inline void gfs2_setbit(const struct gfs2_rbm *rbm, bool do_clone,
 	cur_state = (*byte1 >> bit) & GFS2_BIT_MASK;
 
 	if (unlikely(!valid_change[new_state * 4 + cur_state])) {
-		pr_warn("buf_blk = 0x%x old_state=%d, new_state=%d\n",
+		struct gfs2_sbd *sdp = rbm->rgd->rd_sbd;
+
+		fs_warn(sdp, "buf_blk = 0x%x old_state=%d, new_state=%d\n",
 			rbm->offset, cur_state, new_state);
-		pr_warn("rgrp=0x%llx bi_start=0x%x\n",
-			(unsigned long long)rbm->rgd->rd_addr, bi->bi_start);
-		pr_warn("bi_offset=0x%x bi_len=0x%x\n",
-			bi->bi_offset, bi->bi_len);
+		fs_warn(sdp, "rgrp=0x%llx bi_start=0x%x biblk: 0x%llx\n",
+			(unsigned long long)rbm->rgd->rd_addr, bi->bi_start,
+			(unsigned long long)bi->bi_bh->b_blocknr);
+		fs_warn(sdp, "bi_offset=0x%x bi_len=0x%x block=0x%llx\n",
+			bi->bi_offset, bi->bi_len,
+			(unsigned long long)gfs2_rbm_to_block(rbm));
 		dump_stack();
 		gfs2_consist_rgrpd(rbm->rgd);
 		return;
@@ -738,11 +742,13 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp)
 
 static void gfs2_rindex_print(const struct gfs2_rgrpd *rgd)
 {
-	pr_info("ri_addr = %llu\n", (unsigned long long)rgd->rd_addr);
-	pr_info("ri_length = %u\n", rgd->rd_length);
-	pr_info("ri_data0 = %llu\n", (unsigned long long)rgd->rd_data0);
-	pr_info("ri_data = %u\n", rgd->rd_data);
-	pr_info("ri_bitbytes = %u\n", rgd->rd_bitbytes);
+	struct gfs2_sbd *sdp = rgd->rd_sbd;
+
+	fs_info(sdp, "ri_addr = %llu\n", (unsigned long long)rgd->rd_addr);
+	fs_info(sdp, "ri_length = %u\n", rgd->rd_length);
+	fs_info(sdp, "ri_data0 = %llu\n", (unsigned long long)rgd->rd_data0);
+	fs_info(sdp, "ri_data = %u\n", rgd->rd_data);
+	fs_info(sdp, "ri_bitbytes = %u\n", rgd->rd_bitbytes);
 }
 
 /**
@@ -2423,7 +2429,7 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
 		}
 	}
 	if (rbm.rgd->rd_free < *nblocks) {
-		pr_warn("nblocks=%u\n", *nblocks);
+		fs_warn(sdp, "nblocks=%u\n", *nblocks);
 		goto rgrp_error;
 	}
 

fs/gfs2/trans.c

@@ -74,13 +74,13 @@ int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
 	return error;
 }
 
-static void gfs2_print_trans(const struct gfs2_trans *tr)
+static void gfs2_print_trans(struct gfs2_sbd *sdp, const struct gfs2_trans *tr)
 {
-	pr_warn("Transaction created at: %pSR\n", (void *)tr->tr_ip);
-	pr_warn("blocks=%u revokes=%u reserved=%u touched=%u\n",
+	fs_warn(sdp, "Transaction created at: %pSR\n", (void *)tr->tr_ip);
+	fs_warn(sdp, "blocks=%u revokes=%u reserved=%u touched=%u\n",
 		tr->tr_blocks, tr->tr_revokes, tr->tr_reserved,
 		test_bit(TR_TOUCHED, &tr->tr_flags));
-	pr_warn("Buf %u/%u Databuf %u/%u Revoke %u/%u\n",
+	fs_warn(sdp, "Buf %u/%u Databuf %u/%u Revoke %u/%u\n",
 		tr->tr_num_buf_new, tr->tr_num_buf_rm,
 		tr->tr_num_databuf_new, tr->tr_num_databuf_rm,
 		tr->tr_num_revoke, tr->tr_num_revoke_rm);
@@ -109,7 +109,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp)
 
 	if (gfs2_assert_withdraw(sdp, (nbuf <= tr->tr_blocks) &&
 				       (tr->tr_num_revoke <= tr->tr_revokes)))
-		gfs2_print_trans(tr);
+		gfs2_print_trans(sdp, tr);
 
 	gfs2_log_commit(sdp, tr);
 	if (alloced && !test_bit(TR_ATTACHED, &tr->tr_flags))
@@ -225,12 +225,13 @@ void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh)
 	set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
 	mh = (struct gfs2_meta_header *)bd->bd_bh->b_data;
 	if (unlikely(mh->mh_magic != cpu_to_be32(GFS2_MAGIC))) {
-		pr_err("Attempting to add uninitialised block to journal (inplace block=%lld)\n",
+		fs_err(sdp, "Attempting to add uninitialised block to "
+		       "journal (inplace block=%lld)\n",
 		       (unsigned long long)bd->bd_bh->b_blocknr);
 		BUG();
 	}
 	if (unlikely(state == SFS_FROZEN)) {
-		printk(KERN_INFO "GFS2:adding buf while frozen\n");
+		fs_info(sdp, "GFS2:adding buf while frozen\n");
 		gfs2_assert_withdraw(sdp, 0);
 	}
 	gfs2_pin(sdp, bd->bd_bh);

fs/gfs2/util.h

@@ -86,7 +86,7 @@ static inline int gfs2_meta_check(struct gfs2_sbd *sdp,
 	struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
 	u32 magic = be32_to_cpu(mh->mh_magic);
 	if (unlikely(magic != GFS2_MAGIC)) {
-		pr_err("Magic number missing at %llu\n",
+		fs_err(sdp, "Magic number missing at %llu\n",
 		       (unsigned long long)bh->b_blocknr);
 		return -EIO;
 	}