diff options
author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2016-08-02 14:05:10 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-02 19:35:17 -0400 |
commit | feee880fa58254fcc1c78bc8b6446a435cc1baf0 (patch) | |
tree | c09328c3d4924f88778ac3d890b038a9fb8c0720 /fs/nilfs2/btree.c | |
parent | 6625689e159fa1d43572ee113713ab23bec03131 (diff) | |
download | linux-feee880fa58254fcc1c78bc8b6446a435cc1baf0.tar.bz2 |
nilfs2: reduce bare use of printk() with nilfs_msg()
Replace most use of printk() in nilfs2 implementation with nilfs_msg(),
and reduce the following checkpatch.pl warning:
"WARNING: Prefer [subsystem eg: netdev]_crit([subsystem]dev, ...
then dev_crit(dev, ... then pr_crit(... to printk(KERN_CRIT ..."
This patch also fixes a minor checkpatch warning "WARNING: quoted string
split across lines" that often accompanies the prior warning, and amends
message format as needed.
Link: http://lkml.kernel.org/r/1464875891-5443-5-git-send-email-konishi.ryusuke@lab.ntt.co.jp
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2/btree.c')
-rw-r--r-- | fs/nilfs2/btree.c | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 982d1e3df3a5..2c52693a69a4 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -339,12 +339,14 @@ static int nilfs_btree_node_lookup(const struct nilfs_btree_node *node, * nilfs_btree_node_broken - verify consistency of btree node * @node: btree node block to be examined * @size: node size (in bytes) + * @inode: host inode of btree * @blocknr: block number * * Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned. */ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, - size_t size, sector_t blocknr) + size_t size, struct inode *inode, + sector_t blocknr) { int level, flags, nchildren; int ret = 0; @@ -358,9 +360,10 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, (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); + nilfs_msg(inode->i_sb, KERN_CRIT, + "bad btree node (ino=%lu, blocknr=%llu): level = %d, flags = 0x%x, nchildren = %d", + inode->i_ino, (unsigned long long)blocknr, level, + flags, nchildren); ret = 1; } return ret; @@ -369,12 +372,12 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, /** * nilfs_btree_root_broken - verify consistency of btree root node * @node: btree root node to be examined - * @ino: inode number + * @inode: host inode of btree * * Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned. */ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, - unsigned long ino) + struct inode *inode) { int level, flags, nchildren; int ret = 0; @@ -387,8 +390,9 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, level >= NILFS_BTREE_LEVEL_MAX || nchildren < 0 || nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) { - pr_crit("NILFS: bad btree root (inode number=%lu): level = %d, flags = 0x%x, nchildren = %d\n", - ino, level, flags, nchildren); + nilfs_msg(inode->i_sb, KERN_CRIT, + "bad btree root (ino=%lu): level = %d, flags = 0x%x, nchildren = %d", + inode->i_ino, level, flags, nchildren); ret = 1; } return ret; @@ -396,13 +400,15 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, int nilfs_btree_broken_node_block(struct buffer_head *bh) { + struct inode *inode; int ret; if (buffer_nilfs_checked(bh)) return 0; + inode = bh->b_page->mapping->host; ret = nilfs_btree_node_broken((struct nilfs_btree_node *)bh->b_data, - bh->b_size, bh->b_blocknr); + bh->b_size, inode, bh->b_blocknr); if (likely(!ret)) set_buffer_nilfs_checked(bh); return ret; @@ -448,13 +454,15 @@ nilfs_btree_get_node(const struct nilfs_bmap *btree, return node; } -static int -nilfs_btree_bad_node(struct nilfs_btree_node *node, int level) +static int nilfs_btree_bad_node(const struct nilfs_bmap *btree, + 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); + nilfs_msg(btree->b_inode->i_sb, KERN_CRIT, + "btree level mismatch (ino=%lu): %d != %d", + btree->b_inode->i_ino, + nilfs_btree_node_get_level(node), level); return 1; } return 0; @@ -568,7 +576,7 @@ static int nilfs_btree_do_lookup(const struct nilfs_bmap *btree, return ret; node = nilfs_btree_get_nonroot_node(path, level); - if (nilfs_btree_bad_node(node, level)) + if (nilfs_btree_bad_node(btree, node, level)) return -EINVAL; if (!found) found = nilfs_btree_node_lookup(node, key, &index); @@ -616,7 +624,7 @@ static int nilfs_btree_do_lookup_last(const struct nilfs_bmap *btree, if (ret < 0) return ret; node = nilfs_btree_get_nonroot_node(path, level); - if (nilfs_btree_bad_node(node, level)) + if (nilfs_btree_bad_node(btree, node, level)) return -EINVAL; index = nilfs_btree_node_get_nchildren(node) - 1; ptr = nilfs_btree_node_get_ptr(node, index, ncmax); @@ -2072,8 +2080,10 @@ 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); + nilfs_msg(btree->b_inode->i_sb, KERN_CRIT, + "writing node/leaf block does not appear in b-tree (ino=%lu) at key=%llu, level=%d", + btree->b_inode->i_ino, + (unsigned long long)key, level); goto out; } @@ -2110,12 +2120,11 @@ 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", - __func__, level, (unsigned long long)key, - NILFS_BMAP_I(btree)->vfs_inode.i_ino, - (unsigned long long)bh->b_blocknr); + nilfs_msg(btree->b_inode->i_sb, KERN_WARNING, + "invalid btree level: %d (key=%llu, ino=%lu, blocknr=%llu)", + level, (unsigned long long)key, + btree->b_inode->i_ino, + (unsigned long long)bh->b_blocknr); return; } @@ -2394,8 +2403,7 @@ int nilfs_btree_init(struct nilfs_bmap *bmap) __nilfs_btree_init(bmap); - if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap), - bmap->b_inode->i_ino)) + if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap), bmap->b_inode)) ret = -EIO; return ret; } |