From: Vyacheslav Dubeyko <slava@xxxxxxxxxxx>
Subject: [PATCH] nilfs2: rework error message subsystem
There are situations when real error can emit huge amount of
messages. As a result, system log contains many identical
error messages. This patch changes printk on
pr_[err|warn]_ratelimited version in proper places. Also
printk was changed on pr_[err|warning|info] version in
other places.
Reported-by: Michael Conrad <mconrad@xxxxxxxxxxxxxxx>
Signed-off-by: Vyacheslav Dubeyko <slava@xxxxxxxxxxx>
CC: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
---
fs/nilfs2/alloc.c | 26 ++++++++-------
fs/nilfs2/btree.c | 27 ++++++++--------
fs/nilfs2/cpfile.c | 13 ++++----
fs/nilfs2/dat.c | 8 ++---
fs/nilfs2/direct.c | 8 ++---
fs/nilfs2/inode.c | 10 ++----
fs/nilfs2/ioctl.c | 30 ++++++++---------
fs/nilfs2/page.c | 18 +++++------
fs/nilfs2/recovery.c | 49 ++++++++++------------------
fs/nilfs2/segbuf.c | 3 +-
fs/nilfs2/segment.c | 18 ++++-------
fs/nilfs2/sufile.c | 19 +++++------
fs/nilfs2/super.c | 85 ++++++++++++++++++++-----------------------------
fs/nilfs2/the_nilfs.c | 80 +++++++++++++++++++---------------------------
14 files changed, 170 insertions(+), 224 deletions(-)
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index 741fd02..5a77178 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -581,10 +581,11 @@ void nilfs_palloc_commit_free_entry(struct inode *inode,
bitmap = bitmap_kaddr + bh_offset(req->pr_bitmap_bh);
if (!nilfs_clear_bit_atomic(nilfs_mdt_bgl_lock(inode, group),
- group_offset, bitmap))
- printk(KERN_WARNING "%s: entry number %llu already freed\n",
- __func__, (unsigned long long)req->pr_entry_nr);
- else
+ group_offset, bitmap)) {
+ pr_warn_ratelimited("%s: entry number %llu already freed\n",
+ __func__,
+ (unsigned long long)req->pr_entry_nr);
+ } else
nilfs_palloc_group_desc_add_entries(inode, group, desc, 1);
kunmap(req->pr_bitmap_bh->b_page);
@@ -618,10 +619,11 @@ void nilfs_palloc_abort_alloc_entry(struct inode *inode,
bitmap_kaddr = kmap(req->pr_bitmap_bh->b_page);
bitmap = bitmap_kaddr + bh_offset(req->pr_bitmap_bh);
if (!nilfs_clear_bit_atomic(nilfs_mdt_bgl_lock(inode, group),
- group_offset, bitmap))
- printk(KERN_WARNING "%s: entry number %llu already freed\n",
- __func__, (unsigned long long)req->pr_entry_nr);
- else
+ group_offset, bitmap)) {
+ pr_warn_ratelimited("%s: entry number %llu already freed\n",
+ __func__,
+ (unsigned long long)req->pr_entry_nr);
+ } else
nilfs_palloc_group_desc_add_entries(inode, group, desc, 1);
kunmap(req->pr_bitmap_bh->b_page);
@@ -733,10 +735,10 @@ int nilfs_palloc_freev(struct inode *inode, __u64 *entry_nrs, size_t nitems)
if (!nilfs_clear_bit_atomic(
nilfs_mdt_bgl_lock(inode, group),
group_offset, bitmap)) {
- printk(KERN_WARNING
- "%s: entry number %llu already freed\n",
- __func__,
- (unsigned long long)entry_nrs[j]);
+ pr_warn_ratelimited(
+ "%s: entry number %llu already freed\n",
+ __func__,
+ (unsigned long long)entry_nrs[j]);
} else {
n++;
}
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index b2e3ff3..a6a8df0 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -356,13 +356,13 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node,
nchildren = nilfs_btree_node_get_nchildren(node);
if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN ||
- level >= NILFS_BTREE_LEVEL_MAX ||
- (flags & NILFS_BTREE_NODE_ROOT) ||
- nchildren < 0 ||
- nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) {
- printk(KERN_CRIT "NILFS: bad btree node (blocknr=%llu): "
- "level = %d, flags = 0x%x, nchildren = %d\n",
- (unsigned long long)blocknr, level, flags, nchildren);
+ level >= NILFS_BTREE_LEVEL_MAX ||
+ (flags & NILFS_BTREE_NODE_ROOT) ||
+ nchildren < 0 ||
+ nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) {
+ pr_crit_ratelimited("NILFS: bad btree node (blocknr=%llu): level = %d, flags = 0x%x, nchildren = %d\n",
+ (unsigned long long)blocknr, level,
+ flags, nchildren);
ret = 1;
}
return ret;
@@ -427,8 +427,8 @@ nilfs_btree_bad_node(struct nilfs_btree_node *node, int level)
{
if (unlikely(nilfs_btree_node_get_level(node) != level)) {
dump_stack();
- printk(KERN_CRIT "NILFS: btree level mismatch: %d != %d\n",
- nilfs_btree_node_get_level(node), level);
+ pr_crit_ratelimited("NILFS: btree level mismatch: %d != %d\n",
+ nilfs_btree_node_get_level(node), level);
return 1;
}
return 0;
@@ -1989,8 +1989,9 @@ static int nilfs_btree_propagate(struct nilfs_bmap *btree,
ret = nilfs_btree_do_lookup(btree, path, key, NULL, level + 1, 0);
if (ret < 0) {
if (unlikely(ret == -ENOENT))
- printk(KERN_CRIT "%s: key = %llu, level == %d\n",
- __func__, (unsigned long long)key, level);
+ pr_crit_ratelimited("%s: key = %llu, level == %d\n",
+ __func__,
+ (unsigned long long)key, level);
goto out;
}
@@ -2027,9 +2028,7 @@ static void nilfs_btree_add_dirty_buffer(struct nilfs_bmap *btree,
if (level < NILFS_BTREE_LEVEL_NODE_MIN ||
level >= NILFS_BTREE_LEVEL_MAX) {
dump_stack();
- printk(KERN_WARNING
- "%s: invalid btree level: %d (key=%llu, ino=%lu, "
- "blocknr=%llu)\n",
+ pr_warn_ratelimited("%s: invalid btree level: %d (key=%llu, ino=%lu, blocknr=%llu)\n",
__func__, level, (unsigned long long)key,
NILFS_BMAP_I(btree)->vfs_inode.i_ino,
(unsigned long long)bh->b_blocknr);
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index deaa3d3..a8c1d437 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -289,9 +289,10 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
int ret, ncps, nicps, nss, count, i;
if (unlikely(start == 0 || start > end)) {
- printk(KERN_ERR "%s: invalid range of checkpoint numbers: "
- "[%llu, %llu)\n", __func__,
- (unsigned long long)start, (unsigned long long)end);
+ pr_err_ratelimited("%s: invalid range of checkpoint numbers: [%llu, %llu)\n",
+ __func__,
+ (unsigned long long)start,
+ (unsigned long long)end);
return -EINVAL;
}
@@ -343,9 +344,9 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
cpfile, cno);
if (ret == 0)
continue;
- printk(KERN_ERR
- "%s: cannot delete block\n",
- __func__);
+ pr_err_ratelimited(
+ "%s: cannot delete block\n",
+ __func__);
break;
}
}
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index fa0f803..df976b6 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -355,10 +355,10 @@ int nilfs_dat_move(struct inode *dat, __u64 vblocknr, sector_t blocknr)
kaddr = kmap_atomic(entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr);
if (unlikely(entry->de_blocknr == cpu_to_le64(0))) {
- printk(KERN_CRIT "%s: vbn = %llu, [%llu, %llu)\n", __func__,
- (unsigned long long)vblocknr,
- (unsigned long long)le64_to_cpu(entry->de_start),
- (unsigned long long)le64_to_cpu(entry->de_end));
+ pr_crit_ratelimited("%s: vbn = %llu, [%llu, %llu)\n", __func__,
+ (unsigned long long)vblocknr,
+ (unsigned long long)le64_to_cpu(entry->de_start),
+ (unsigned long long)le64_to_cpu(entry->de_end));
kunmap_atomic(kaddr);
brelse(entry_bh);
return -EINVAL;
diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c
index 82f4865..5dcf67d 100644
--- a/fs/nilfs2/direct.c
+++ b/fs/nilfs2/direct.c
@@ -325,14 +325,14 @@ static int nilfs_direct_assign(struct nilfs_bmap *bmap,
key = nilfs_bmap_data_get_key(bmap, *bh);
if (unlikely(key > NILFS_DIRECT_KEY_MAX)) {
- printk(KERN_CRIT "%s: invalid key: %llu\n", __func__,
- (unsigned long long)key);
+ pr_crit_ratelimited("%s: invalid key: %llu\n", __func__,
+ (unsigned long long)key);
return -EINVAL;
}
ptr = nilfs_direct_get_ptr(bmap, key);
if (unlikely(ptr == NILFS_BMAP_INVALID_PTR)) {
- printk(KERN_CRIT "%s: invalid pointer: %llu\n", __func__,
- (unsigned long long)ptr);
+ pr_crit_ratelimited("%s: invalid pointer: %llu\n", __func__,
+ (unsigned long long)ptr);
return -EINVAL;
}
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 7e350c5..3b07089 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -113,13 +113,9 @@ int nilfs_get_block(struct inode *inode, sector_t blkoff,
* However, the page having this block must
* be locked in this case.
*/
- printk(KERN_WARNING
- "nilfs_get_block: a race condition "
- "while inserting a data block. "
- "(inode number=%lu, file block "
- "offset=%llu)\n",
- inode->i_ino,
- (unsigned long long)blkoff);
+ pr_warn_ratelimited("nilfs_get_block: a race condition while inserting a data block. (inode number=%lu, file block offset=%llu)\n",
+ inode->i_ino,
+ (unsigned long long)blkoff);
err = 0;
}
nilfs_transaction_abort(inode->i_sb);
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index b44bdb2..d7a2b0a 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -369,20 +369,20 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode,
if (unlikely(ret < 0)) {
if (ret == -ENOENT)
- printk(KERN_CRIT
- "%s: invalid virtual block address (%s): "
- "ino=%llu, cno=%llu, offset=%llu, "
- "blocknr=%llu, vblocknr=%llu\n",
- __func__, vdesc->vd_flags ? "node" : "data",
- (unsigned long long)vdesc->vd_ino,
- (unsigned long long)vdesc->vd_cno,
- (unsigned long long)vdesc->vd_offset,
- (unsigned long long)vdesc->vd_blocknr,
- (unsigned long long)vdesc->vd_vblocknr);
+ pr_crit_ratelimited(
+ "%s: invalid virtual block address (%s): "
+ "ino=%llu, cno=%llu, offset=%llu, "
+ "blocknr=%llu, vblocknr=%llu\n",
+ __func__, vdesc->vd_flags ? "node" : "data",
+ (unsigned long long)vdesc->vd_ino,
+ (unsigned long long)vdesc->vd_cno,
+ (unsigned long long)vdesc->vd_offset,
+ (unsigned long long)vdesc->vd_blocknr,
+ (unsigned long long)vdesc->vd_vblocknr);
return ret;
}
if (unlikely(!list_empty(&bh->b_assoc_buffers))) {
- printk(KERN_CRIT "%s: conflicting %s buffer: ino=%llu, "
+ pr_crit_ratelimited("%s: conflicting %s buffer: ino=%llu, "
"cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu\n",
__func__, vdesc->vd_flags ? "node" : "data",
(unsigned long long)vdesc->vd_ino,
@@ -566,8 +566,8 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs,
return 0;
failed:
- printk(KERN_ERR "NILFS: GC failed during preparation: %s: err=%d\n",
- msg, ret);
+ pr_err_ratelimited("NILFS: GC failed during preparation: %s: err=%d\n",
+ msg, ret);
return ret;
}
@@ -662,8 +662,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
ret = nilfs_ioctl_move_blocks(inode->i_sb, &argv[0], kbufs[0]);
if (ret < 0)
- printk(KERN_ERR "NILFS: GC failed during preparation: "
- "cannot read source blocks: err=%d\n", ret);
+ pr_err_ratelimited("NILFS: GC failed during preparation: cannot read source blocks: err=%d\n",
+ ret);
else {
if (nilfs_sb_need_update(nilfs))
set_nilfs_discontinued(nilfs);
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index da27664..e1cdcd5 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -173,17 +173,17 @@ void nilfs_page_bug(struct page *page)
unsigned long ino;
if (unlikely(!page)) {
- printk(KERN_CRIT "NILFS_PAGE_BUG(NULL)\n");
+ pr_crit_ratelimited("NILFS_PAGE_BUG(NULL)\n");
return;
}
m = page->mapping;
ino = m ? m->host->i_ino : 0;
- printk(KERN_CRIT "NILFS_PAGE_BUG(%p): cnt=%d index#=%llu flags=0x%lx "
- "mapping=%p ino=%lu\n",
- page, atomic_read(&page->_count),
- (unsigned long long)page->index, page->flags, m, ino);
+ pr_crit_ratelimited("NILFS_PAGE_BUG(%p): cnt=%d index#=%llu flags=0x%lx mapping=%p ino=%lu\n",
+ page, atomic_read(&page->_count),
+ (unsigned long long)page->index,
+ page->flags, m, ino);
if (page_has_buffers(page)) {
struct buffer_head *bh, *head;
@@ -191,10 +191,10 @@ void nilfs_page_bug(struct page *page)
bh = head = page_buffers(page);
do {
- printk(KERN_CRIT
- " BH[%d] %p: cnt=%d block#=%llu state=0x%lx\n",
- i++, bh, atomic_read(&bh->b_count),
- (unsigned long long)bh->b_blocknr, bh->b_state);
+ pr_crit_ratelimited(" BH[%d] %p: cnt=%d block#=%llu state=0x%lx\n",
+ i++, bh, atomic_read(&bh->b_count),
+ (unsigned long long)bh->b_blocknr,
+ bh->b_state);
bh = bh->b_this_page;
} while (bh != head);
}
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index ff00a0b..27cc03d 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -60,32 +60,25 @@ static int nilfs_warn_segment_error(int err)
{
switch (err) {
case NILFS_SEG_FAIL_IO:
- printk(KERN_WARNING
- "NILFS warning: I/O error on loading last segment\n");
+ pr_warn("NILFS warning: I/O error on loading last segment\n");
return -EIO;
case NILFS_SEG_FAIL_MAGIC:
- printk(KERN_WARNING
- "NILFS warning: Segment magic number invalid\n");
+ pr_warn("NILFS warning: Segment magic number invalid\n");
break;
case NILFS_SEG_FAIL_SEQ:
- printk(KERN_WARNING
- "NILFS warning: Sequence number mismatch\n");
+ pr_warn("NILFS warning: Sequence number mismatch\n");
break;
case NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT:
- printk(KERN_WARNING
- "NILFS warning: Checksum error in super root\n");
+ pr_warn("NILFS warning: Checksum error in super root\n");
break;
case NILFS_SEG_FAIL_CHECKSUM_FULL:
- printk(KERN_WARNING
- "NILFS warning: Checksum error in segment payload\n");
+ pr_warn("NILFS warning: Checksum error in segment payload\n");
break;
case NILFS_SEG_FAIL_CONSISTENCY:
- printk(KERN_WARNING
- "NILFS warning: Inconsistent segment\n");
+ pr_warn("NILFS warning: Inconsistent segment\n");
break;
case NILFS_SEG_NO_SUPER_ROOT:
- printk(KERN_WARNING
- "NILFS warning: No super root in the last segment\n");
+ pr_warn("NILFS warning: No super root in the last segment\n");
break;
}
return -EINVAL;
@@ -554,11 +547,9 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
page_cache_release(page);
failed_inode:
- printk(KERN_WARNING
- "NILFS warning: error recovering data block "
- "(err=%d, ino=%lu, block-offset=%llu)\n",
- err, (unsigned long)rb->ino,
- (unsigned long long)rb->blkoff);
+ pr_warn("NILFS warning: error recovering data block (err=%d, ino=%lu, block-offset=%llu)\n",
+ err, (unsigned long)rb->ino,
+ (unsigned long long)rb->blkoff);
if (!err2)
err2 = err;
next:
@@ -681,8 +672,8 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs,
}
if (nsalvaged_blocks) {
- printk(KERN_INFO "NILFS (device %s): salvaged %lu blocks\n",
- sb->s_id, nsalvaged_blocks);
+ pr_info("NILFS (device %s): salvaged %lu blocks\n",
+ sb->s_id, nsalvaged_blocks);
ri->ri_need_recovery = NILFS_RECOVERY_ROLLFORWARD_DONE;
}
out:
@@ -693,9 +684,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs,
confused:
err = -EINVAL;
failed:
- printk(KERN_ERR
- "NILFS (device %s): Error roll-forwarding "
- "(err=%d, pseg block=%llu). ",
+ pr_err("NILFS (device %s): Error roll-forwarding (err=%d, pseg block=%llu). ",
sb->s_id, err, (unsigned long long)pseg_start);
goto out;
}
@@ -716,9 +705,7 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs,
set_buffer_dirty(bh);
err = sync_dirty_buffer(bh);
if (unlikely(err))
- printk(KERN_WARNING
- "NILFS warning: buffer sync write failed during "
- "post-cleaning of recovery.\n");
+ pr_warn("NILFS warning: buffer sync write failed during post-cleaning of recovery.\n");
brelse(bh);
}
@@ -753,8 +740,7 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
err = nilfs_attach_checkpoint(sb, ri->ri_cno, true, &root);
if (unlikely(err)) {
- printk(KERN_ERR
- "NILFS: error loading the latest checkpoint.\n");
+ pr_err("NILFS: error loading the latest checkpoint.\n");
return err;
}
@@ -765,8 +751,7 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) {
err = nilfs_prepare_segment_for_recovery(nilfs, sb, ri);
if (unlikely(err)) {
- printk(KERN_ERR "NILFS: Error preparing segments for "
- "recovery.\n");
+ pr_err("NILFS: Error preparing segments for recovery.\n");
goto failed;
}
@@ -779,7 +764,7 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
nilfs_detach_log_writer(sb);
if (unlikely(err)) {
- printk(KERN_ERR "NILFS: Oops! recovery failed. "
+ pr_err("NILFS: Oops! recovery failed. "
"(err=%d)\n", err);
goto failed;
}
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 2d8be51..09671ab 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -528,7 +528,8 @@ static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf)
} while (--segbuf->sb_nbio > 0);
if (unlikely(atomic_read(&segbuf->sb_err) > 0)) {
- printk(KERN_ERR "NILFS: IO error writing segment\n");
+ pr_err_ratelimited("NILFS: IO error writing segment %llu\n",
+ segbuf->sb_segnum);
err = -EIO;
}
return err;
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 9f6b486..55bd8b2 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -129,9 +129,7 @@ static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti)
* it is saved and will be restored on
* nilfs_transaction_commit().
*/
- printk(KERN_WARNING
- "NILFS warning: journal info from a different "
- "FS\n");
+ pr_warn_ratelimited("NILFS warning: journal info from a different FS\n");
save = current->journal_info;
}
}
@@ -2368,9 +2366,8 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs,
sci->sc_nfreesegs);
if (ret) {
- printk(KERN_WARNING
- "NILFS warning: error %d on discard request, "
- "turning discards off for the device\n", ret);
+ pr_warn_ratelimited("NILFS warning: error %d on discard request, turning discards off for the device\n",
+ ret);
nilfs_clear_opt(nilfs, DISCARD);
}
}
@@ -2453,10 +2450,8 @@ static int nilfs_segctor_thread(void *arg)
/* start sync. */
sci->sc_task = current;
wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */
- printk(KERN_INFO
- "segctord starting. Construction interval = %lu seconds, "
- "CP frequency < %lu seconds\n",
- sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
+ pr_info("segctord starting. Construction interval = %lu seconds, CP frequency < %lu seconds\n",
+ sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
spin_lock(&sci->sc_state_lock);
loop:
@@ -2530,8 +2525,7 @@ static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci)
if (IS_ERR(t)) {
int err = PTR_ERR(t);
- printk(KERN_ERR "NILFS: error %d creating segctord thread\n",
- err);
+ pr_err("NILFS: error %d creating segctord thread\n", err);
return err;
}
wait_event(sci->sc_wait_task, sci->sc_task != NULL);
diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c
index 3127e9f..3e87f1b 100644
--- a/fs/nilfs2/sufile.c
+++ b/fs/nilfs2/sufile.c
@@ -181,9 +181,10 @@ int nilfs_sufile_updatev(struct inode *sufile, __u64 *segnumv, size_t nsegs,
down_write(&NILFS_MDT(sufile)->mi_sem);
for (seg = segnumv; seg < segnumv + nsegs; seg++) {
if (unlikely(*seg >= nilfs_sufile_get_nsegments(sufile))) {
- printk(KERN_WARNING
- "%s: invalid segment number: %llu\n", __func__,
- (unsigned long long)*seg);
+ pr_warn_ratelimited(
+ "%s: invalid segment number: %llu\n",
+ __func__,
+ (unsigned long long)*seg);
nerr++;
}
}
@@ -240,8 +241,8 @@ int nilfs_sufile_update(struct inode *sufile, __u64 segnum, int create,
int ret;
if (unlikely(segnum >= nilfs_sufile_get_nsegments(sufile))) {
- printk(KERN_WARNING "%s: invalid segment number: %llu\n",
- __func__, (unsigned long long)segnum);
+ pr_warn_ratelimited("%s: invalid segment number: %llu\n",
+ __func__, (unsigned long long)segnum);
return -EINVAL;
}
down_write(&NILFS_MDT(sufile)->mi_sem);
@@ -416,8 +417,8 @@ void nilfs_sufile_do_cancel_free(struct inode *sufile, __u64 segnum,
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (unlikely(!nilfs_segment_usage_clean(su))) {
- printk(KERN_WARNING "%s: segment %llu must be clean\n",
- __func__, (unsigned long long)segnum);
+ pr_warn_ratelimited("%s: segment %llu must be clean\n",
+ __func__, (unsigned long long)segnum);
kunmap_atomic(kaddr);
return;
}
@@ -473,8 +474,8 @@ void nilfs_sufile_do_free(struct inode *sufile, __u64 segnum,
kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (nilfs_segment_usage_clean(su)) {
- printk(KERN_WARNING "%s: segment %llu is already clean\n",
- __func__, (unsigned long long)segnum);
+ pr_warn_ratelimited("%s: segment %llu is already clean\n",
+ __func__, (unsigned long long)segnum);
kunmap_atomic(kaddr);
return;
}
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 7ac2a12..846fada 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -118,8 +118,8 @@ void nilfs_error(struct super_block *sb, const char *function,
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_CRIT "NILFS error (device %s): %s: %pV\n",
- sb->s_id, function, &vaf);
+ pr_crit_ratelimited("NILFS error (device %s): %s: %pV\n",
+ sb->s_id, function, &vaf);
va_end(args);
@@ -127,7 +127,7 @@ void nilfs_error(struct super_block *sb, const char *function,
nilfs_set_error(sb);
if (nilfs_test_opt(nilfs, ERRORS_RO)) {
- printk(KERN_CRIT "Remounting filesystem read-only\n");
+ pr_crit_ratelimited("Remounting filesystem read-only\n");
sb->s_flags |= MS_RDONLY;
}
}
@@ -148,8 +148,8 @@ void nilfs_warning(struct super_block *sb, const char *function,
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_WARNING "NILFS warning (device %s): %s: %pV\n",
- sb->s_id, function, &vaf);
+ pr_warn_ratelimited("NILFS warning (device %s): %s: %pV\n",
+ sb->s_id, function, &vaf);
va_end(args);
}
@@ -202,8 +202,7 @@ static int nilfs_sync_super(struct super_block *sb, int flag)
}
if (unlikely(err)) {
- printk(KERN_ERR
- "NILFS: unable to write superblock (err=%d)\n", err);
+ pr_err("NILFS: unable to write superblock (err=%d)\n", err);
if (err == -EIO && nilfs->ns_sbh[1]) {
/*
* sbp[0] points to newer log than sbp[1],
@@ -273,8 +272,8 @@ struct nilfs_super_block **nilfs_prepare_super(struct super_block *sb,
sbp[1]->s_magic == cpu_to_le16(NILFS_SUPER_MAGIC)) {
memcpy(sbp[0], sbp[1], nilfs->ns_sbsize);
} else {
- printk(KERN_CRIT "NILFS: superblock broke on dev %s\n",
- sb->s_id);
+ pr_crit("NILFS: superblock broke on dev %s\n",
+ sb->s_id);
return NULL;
}
} else if (sbp[1] &&
@@ -378,9 +377,8 @@ static int nilfs_move_2nd_super(struct super_block *sb, loff_t sb2off)
offset = sb2off & (nilfs->ns_blocksize - 1);
nsbh = sb_getblk(sb, newblocknr);
if (!nsbh) {
- printk(KERN_WARNING
- "NILFS warning: unable to move secondary superblock "
- "to block %llu\n", (unsigned long long)newblocknr);
+ pr_warn("NILFS warning: unable to move secondary superblock to block %llu\n",
+ (unsigned long long)newblocknr);
ret = -EIO;
goto out;
}
@@ -540,8 +538,7 @@ int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt,
up_read(&nilfs->ns_segctor_sem);
if (unlikely(err)) {
if (err == -ENOENT || err == -EINVAL) {
- printk(KERN_ERR
- "NILFS: Invalid checkpoint "
+ pr_err("NILFS: Invalid checkpoint "
"(checkpoint number=%llu)\n",
(unsigned long long)cno);
err = -EINVAL;
@@ -639,9 +636,8 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf)
err = nilfs_ifile_count_free_inodes(root->ifile,
&nmaxinodes, &nfreeinodes);
if (unlikely(err)) {
- printk(KERN_WARNING
- "NILFS warning: fail to count free inodes: err %d.\n",
- err);
+ pr_warn_ratelimited("NILFS warning: fail to count free inodes: err %d.\n",
+ err);
if (err == -ERANGE) {
/*
* If nilfs_palloc_count_max_entries() returns
@@ -772,9 +768,8 @@ static int parse_options(char *options, struct super_block *sb, int is_remount)
break;
case Opt_snapshot:
if (is_remount) {
- printk(KERN_ERR
- "NILFS: \"%s\" option is invalid "
- "for remount.\n", p);
+ pr_err("NILFS: \"%s\" option is invalid for remount.\n",
+ p);
return 0;
}
break;
@@ -788,8 +783,7 @@ static int parse_options(char *options, struct super_block *sb, int is_remount)
nilfs_clear_opt(nilfs, DISCARD);
break;
default:
- printk(KERN_ERR
- "NILFS: Unrecognized mount option \"%s\"\n", p);
+ pr_err("NILFS: Unrecognized mount option \"%s\"\n", p);
return 0;
}
}
@@ -825,12 +819,10 @@ static int nilfs_setup_super(struct super_block *sb, int is_mount)
mnt_count = le16_to_cpu(sbp[0]->s_mnt_count);
if (nilfs->ns_mount_state & NILFS_ERROR_FS) {
- printk(KERN_WARNING
- "NILFS warning: mounting fs with errors\n");
+ pr_warn("NILFS warning: mounting fs with errors\n");
#if 0
} else if (max_mnt_count >= 0 && mnt_count >= max_mnt_count) {
- printk(KERN_WARNING
- "NILFS warning: maximal mount count reached\n");
+ pr_warn("NILFS warning: maximal mount count reached\n");
#endif
}
if (!max_mnt_count)
@@ -893,16 +885,14 @@ int nilfs_check_feature_compatibility(struct super_block *sb,
features = le64_to_cpu(sbp->s_feature_incompat) &
~NILFS_FEATURE_INCOMPAT_SUPP;
if (features) {
- printk(KERN_ERR "NILFS: couldn't mount because of unsupported "
- "optional features (%llx)\n",
+ pr_err("NILFS: couldn't mount because of unsupported optional features (%llx)\n",
(unsigned long long)features);
return -EINVAL;
}
features = le64_to_cpu(sbp->s_feature_compat_ro) &
~NILFS_FEATURE_COMPAT_RO_SUPP;
if (!(sb->s_flags & MS_RDONLY) && features) {
- printk(KERN_ERR "NILFS: couldn't mount RDWR because of "
- "unsupported optional features (%llx)\n",
+ pr_err("NILFS: couldn't mount RDWR because of unsupported optional features (%llx)\n",
(unsigned long long)features);
return -EINVAL;
}
@@ -919,13 +909,13 @@ static int nilfs_get_root_dentry(struct super_block *sb,
inode = nilfs_iget(sb, root, NILFS_ROOT_INO);
if (IS_ERR(inode)) {
- printk(KERN_ERR "NILFS: get root inode failed\n");
+ pr_err("NILFS: get root inode failed\n");
ret = PTR_ERR(inode);
goto out;
}
if (!S_ISDIR(inode->i_mode) || !inode->i_blocks || !inode->i_size) {
iput(inode);
- printk(KERN_ERR "NILFS: corrupt root inode.\n");
+ pr_err("NILFS: corrupt root inode.\n");
ret = -EINVAL;
goto out;
}
@@ -953,7 +943,7 @@ static int nilfs_get_root_dentry(struct super_block *sb,
return ret;
failed_dentry:
- printk(KERN_ERR "NILFS: get root dentry failed\n");
+ pr_err("NILFS: get root dentry failed\n");
goto out;
}
@@ -973,8 +963,7 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
ret = (ret == -ENOENT) ? -EINVAL : ret;
goto out;
} else if (!ret) {
- printk(KERN_ERR "NILFS: The specified checkpoint is "
- "not a snapshot (checkpoint number=%llu).\n",
+ pr_err("NILFS: The specified checkpoint is not a snapshot (checkpoint number=%llu).\n",
(unsigned long long)cno);
ret = -EINVAL;
goto out;
@@ -982,9 +971,8 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
ret = nilfs_attach_checkpoint(s, cno, false, &root);
if (ret) {
- printk(KERN_ERR "NILFS: error loading snapshot "
- "(checkpoint number=%llu).\n",
- (unsigned long long)cno);
+ pr_err("NILFS: error loading snapshot (checkpoint number=%llu).\n",
+ (unsigned long long)cno);
goto out;
}
ret = nilfs_get_root_dentry(s, root, root_dentry);
@@ -1081,7 +1069,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
cno = nilfs_last_cno(nilfs);
err = nilfs_attach_checkpoint(sb, cno, true, &fsroot);
if (err) {
- printk(KERN_ERR "NILFS: error loading last checkpoint "
+ pr_err("NILFS: error loading last checkpoint "
"(checkpoint number=%llu).\n", (unsigned long long)cno);
goto failed_unload;
}
@@ -1141,9 +1129,8 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
err = -EINVAL;
if (!nilfs_valid_fs(nilfs)) {
- printk(KERN_WARNING "NILFS (device %s): couldn't "
- "remount because the filesystem is in an "
- "incomplete recovery state.\n", sb->s_id);
+ pr_warn("NILFS (device %s): couldn't remount because the filesystem is in an incomplete recovery state.\n",
+ sb->s_id);
goto restore_opts;
}
@@ -1175,10 +1162,8 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
~NILFS_FEATURE_COMPAT_RO_SUPP;
up_read(&nilfs->ns_sem);
if (features) {
- printk(KERN_WARNING "NILFS (device %s): couldn't "
- "remount RDWR because of unsupported optional "
- "features (%llx)\n",
- sb->s_id, (unsigned long long)features);
+ pr_warn("NILFS (device %s): couldn't remount RDWR because of unsupported optional features (%llx)\n",
+ sb->s_id, (unsigned long long)features);
err = -EROFS;
goto restore_opts;
}
@@ -1241,8 +1226,7 @@ static int nilfs_identify(char *data, struct nilfs_super_data *sd)
}
}
if (ret)
- printk(KERN_ERR
- "NILFS: invalid mount option: %s\n", p);
+ pr_err("NILFS: invalid mount option: %s\n", p);
}
if (!options)
break;
@@ -1325,8 +1309,7 @@ nilfs_mount(struct file_system_type *fs_type, int flags,
} else if (!sd.cno) {
if (nilfs_tree_is_busy(s->s_root)) {
if ((flags ^ s->s_flags) & MS_RDONLY) {
- printk(KERN_ERR "NILFS: the device already "
- "has a %s mount.\n",
+ pr_err("NILFS: the device already has a %s mount.\n",
(s->s_flags & MS_RDONLY) ?
"read-only" : "read/write");
err = -EBUSY;
@@ -1455,7 +1438,7 @@ static int __init init_nilfs_fs(void)
if (err)
goto free_cachep;
- printk(KERN_INFO "NILFS version 2 loaded\n");
+ pr_info("NILFS version 2 loaded\n");
return 0;
free_cachep:
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 94c451c..c858de2 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -193,7 +193,8 @@ static int nilfs_store_log_cursor(struct the_nilfs *nilfs,
nilfs_get_segnum_of_block(nilfs, nilfs->ns_last_pseg);
nilfs->ns_cno = nilfs->ns_last_cno + 1;
if (nilfs->ns_segnum >= nilfs->ns_nsegments) {
- printk(KERN_ERR "NILFS invalid last segment number.\n");
+ pr_err("NILFS invalid last segment number %llu.\n",
+ nilfs->ns_segnum);
ret = -EINVAL;
}
return ret;
@@ -217,12 +218,10 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
int err;
if (!valid_fs) {
- printk(KERN_WARNING "NILFS warning: mounting unchecked fs\n");
+ pr_warn("NILFS warning: mounting unchecked fs\n");
if (s_flags & MS_RDONLY) {
- printk(KERN_INFO "NILFS: INFO: recovery "
- "required for readonly filesystem.\n");
- printk(KERN_INFO "NILFS: write access will "
- "be enabled during recovery.\n");
+ pr_info("NILFS: INFO: recovery required for readonly filesystem.\n");
+ pr_info("NILFS: write access will be enabled during recovery.\n");
}
}
@@ -237,13 +236,10 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
goto scan_error;
if (!nilfs_valid_sb(sbp[1])) {
- printk(KERN_WARNING
- "NILFS warning: unable to fall back to spare"
- "super block\n");
+ pr_warn("NILFS warning: unable to fall back to spare super block\n");
goto scan_error;
}
- printk(KERN_INFO
- "NILFS: try rollback from an earlier position\n");
+ pr_info("NILFS: try rollback from an earlier position\n");
/*
* restore super block with its spare and reconfigure
@@ -256,10 +252,8 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
/* verify consistency between two super blocks */
blocksize = BLOCK_SIZE << le32_to_cpu(sbp[0]->s_log_block_size);
if (blocksize != nilfs->ns_blocksize) {
- printk(KERN_WARNING
- "NILFS warning: blocksize differs between "
- "two super blocks (%d != %d)\n",
- blocksize, nilfs->ns_blocksize);
+ pr_warn("NILFS warning: blocksize differs between two super blocks (%d != %d)\n",
+ blocksize, nilfs->ns_blocksize);
goto scan_error;
}
@@ -278,7 +272,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
err = nilfs_load_super_root(nilfs, sb, ri.ri_super_root);
if (unlikely(err)) {
- printk(KERN_ERR "NILFS: error loading super root.\n");
+ pr_err("NILFS: error loading super root.\n");
goto failed;
}
@@ -289,30 +283,25 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
__u64 features;
if (nilfs_test_opt(nilfs, NORECOVERY)) {
- printk(KERN_INFO "NILFS: norecovery option specified. "
- "skipping roll-forward recovery\n");
+ pr_info("NILFS: norecovery option specified. skipping roll-forward recovery\n");
goto skip_recovery;
}
features = le64_to_cpu(nilfs->ns_sbp[0]->s_feature_compat_ro) &
~NILFS_FEATURE_COMPAT_RO_SUPP;
if (features) {
- printk(KERN_ERR "NILFS: couldn't proceed with "
- "recovery because of unsupported optional "
- "features (%llx)\n",
+ pr_err("NILFS: couldn't proceed with recovery because of unsupported optional features (%llx)\n",
(unsigned long long)features);
err = -EROFS;
goto failed_unload;
}
if (really_read_only) {
- printk(KERN_ERR "NILFS: write access "
- "unavailable, cannot proceed.\n");
+ pr_err("NILFS: write access unavailable, cannot proceed.\n");
err = -EROFS;
goto failed_unload;
}
sb->s_flags &= ~MS_RDONLY;
} else if (nilfs_test_opt(nilfs, NORECOVERY)) {
- printk(KERN_ERR "NILFS: recovery cancelled because norecovery "
- "option was specified for a read/write mount\n");
+ pr_err("NILFS: recovery cancelled because norecovery option was specified for a read/write mount\n");
err = -EINVAL;
goto failed_unload;
}
@@ -327,11 +316,10 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
up_write(&nilfs->ns_sem);
if (err) {
- printk(KERN_ERR "NILFS: failed to update super block. "
- "recovery unfinished.\n");
+ pr_err("NILFS: failed to update super block. recovery unfinished.\n");
goto failed_unload;
}
- printk(KERN_INFO "NILFS: recovery complete.\n");
+ pr_info("NILFS: recovery complete.\n");
skip_recovery:
nilfs_clear_recovery_info(&ri);
@@ -339,7 +327,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
return 0;
scan_error:
- printk(KERN_ERR "NILFS: error searching super root.\n");
+ pr_err("NILFS: error searching super root.\n");
goto failed;
failed_unload:
@@ -386,7 +374,7 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
struct nilfs_super_block *sbp)
{
if (le32_to_cpu(sbp->s_rev_level) < NILFS_MIN_SUPP_REV) {
- printk(KERN_ERR "NILFS: unsupported revision "
+ pr_err("NILFS: unsupported revision "
"(superblock rev.=%d.%d, current rev.=%d.%d). "
"Please check the version of mkfs.nilfs.\n",
le32_to_cpu(sbp->s_rev_level),
@@ -403,7 +391,7 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment);
if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) {
- printk(KERN_ERR "NILFS: too short segment.\n");
+ pr_err("NILFS: too short segment.\n");
return -EINVAL;
}
@@ -412,7 +400,7 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
le32_to_cpu(sbp->s_r_segments_percentage);
if (nilfs->ns_r_segments_percentage < 1 ||
nilfs->ns_r_segments_percentage > 99) {
- printk(KERN_ERR "NILFS: invalid reserved segments percentage.\n");
+ pr_err("NILFS: invalid reserved segments percentage.\n");
return -EINVAL;
}
@@ -496,16 +484,14 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
if (!sbp[0]) {
if (!sbp[1]) {
- printk(KERN_ERR "NILFS: unable to read superblock\n");
+ pr_err("NILFS: unable to read superblock\n");
return -EIO;
}
- printk(KERN_WARNING
- "NILFS warning: unable to read primary superblock "
- "(blocksize = %d)\n", blocksize);
+ pr_warn("NILFS warning: unable to read primary superblock (blocksize = %d)\n",
+ blocksize);
} else if (!sbp[1]) {
- printk(KERN_WARNING
- "NILFS warning: unable to read secondary superblock "
- "(blocksize = %d)\n", blocksize);
+ pr_warn("NILFS warning: unable to read secondary superblock (blocksize = %d)\n",
+ blocksize);
}
/*
@@ -527,14 +513,13 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
}
if (!valid[swp]) {
nilfs_release_super_block(nilfs);
- printk(KERN_ERR "NILFS: Can't find nilfs on dev %s.\n",
- sb->s_id);
+ pr_err("NILFS: Can't find nilfs on dev %s.\n", sb->s_id);
return -EINVAL;
}
if (!valid[!swp])
- printk(KERN_WARNING "NILFS warning: broken superblock. "
- "using spare superblock (blocksize = %d).\n", blocksize);
+ pr_warn("NILFS warning: broken superblock. using spare superblock (blocksize = %d).\n",
+ blocksize);
if (swp)
nilfs_swap_super_block(nilfs);
@@ -568,7 +553,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data)
blocksize = sb_min_blocksize(sb, NILFS_MIN_BLOCK_SIZE);
if (!blocksize) {
- printk(KERN_ERR "NILFS: unable to set blocksize\n");
+ pr_err("NILFS: unable to set blocksize\n");
err = -EINVAL;
goto out;
}
@@ -587,8 +572,8 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data)
blocksize = BLOCK_SIZE << le32_to_cpu(sbp->s_log_block_size);
if (blocksize < NILFS_MIN_BLOCK_SIZE ||
blocksize > NILFS_MAX_BLOCK_SIZE) {
- printk(KERN_ERR "NILFS: couldn't mount because of unsupported "
- "filesystem blocksize %d\n", blocksize);
+ pr_err("NILFS: couldn't mount because of unsupported filesystem blocksize %d\n",
+ blocksize);
err = -EINVAL;
goto failed_sbh;
}
@@ -596,8 +581,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data)
int hw_blocksize = bdev_logical_block_size(sb->s_bdev);
if (blocksize < hw_blocksize) {
- printk(KERN_ERR
- "NILFS: blocksize %d too small for device "
+ pr_err("NILFS: blocksize %d too small for device "
"(sector-size = %d).\n",
blocksize, hw_blocksize);
err = -EINVAL;
--
1.7.9.5
--
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