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Date: Thu, 9 Oct 2008 00:05:20 -0400
From: Theodore Ts'o <tytso@....edu>
To: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Theodore Ts'o <tytso@....edu>
Subject: [PATCH 02/42] ext4: Add printk priority levels to clean up checkpatch warnings
Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
fs/ext4/balloc.c | 29 +++++++++++++++--------------
fs/ext4/dir.c | 3 ++-
fs/ext4/extents.c | 9 +++++----
fs/ext4/ialloc.c | 16 +++++++++-------
fs/ext4/mballoc.c | 9 +++++----
fs/ext4/namei.c | 34 +++++++++++++++++++---------------
fs/ext4/super.c | 25 ++++++++++++++++---------
7 files changed, 71 insertions(+), 54 deletions(-)
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 00a94d5..7aac202 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -379,26 +379,28 @@ restart:
bad = 0;
prev = NULL;
- printk("Block Allocation Reservation Windows Map (%s):\n", fn);
+ printk(KERN_DEBUG "Block Allocation Reservation "
+ "Windows Map (%s):\n", fn);
while (n) {
rsv = rb_entry(n, struct ext4_reserve_window_node, rsv_node);
if (verbose)
- printk("reservation window 0x%p "
+ printk(KERN_DEBUG "reservation window 0x%p "
"start: %llu, end: %llu\n",
rsv, rsv->rsv_start, rsv->rsv_end);
if (rsv->rsv_start && rsv->rsv_start >= rsv->rsv_end) {
- printk("Bad reservation %p (start >= end)\n",
+ printk(KERN_DEBUG "Bad reservation %p (start >= end)\n",
rsv);
bad = 1;
}
if (prev && prev->rsv_end >= rsv->rsv_start) {
- printk("Bad reservation %p (prev->end >= start)\n",
- rsv);
+ printk(KERN_DEBUG "Bad reservation %p "
+ "(prev->end >= start)\n", rsv);
bad = 1;
}
if (bad) {
if (!verbose) {
- printk("Restarting reservation walk in verbose mode\n");
+ printk(KERN_DEBUG "Restarting reservation "
+ "walk in verbose mode\n");
verbose = 1;
goto restart;
}
@@ -406,7 +408,7 @@ restart:
n = rb_next(n);
prev = rsv;
}
- printk("Window map complete.\n");
+ printk(KERN_DEBUG "Window map complete.\n");
BUG_ON(bad);
}
#define rsv_window_dump(root, verbose) \
@@ -1702,7 +1704,7 @@ ext4_fsblk_t ext4_old_new_blocks(handle_t *handle, struct inode *inode,
sb = inode->i_sb;
if (!sb) {
*errp = -ENODEV;
- printk("ext4_new_block: nonexistent device");
+ printk(KERN_ERR "ext4_new_block: nonexistent superblock");
return 0;
}
@@ -1884,8 +1886,8 @@ allocated:
for (i = 0; i < num; i++) {
if (ext4_test_bit(grp_alloc_blk+i,
bh2jh(bitmap_bh)->b_committed_data)) {
- printk("%s: block was unexpectedly set in "
- "b_committed_data\n", __func__);
+ printk(KERN_ERR "%s: block was unexpectedly "
+ "set in b_committed_data\n", __func__);
}
}
}
@@ -2093,10 +2095,9 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb)
bitmap_count += x;
}
brelse(bitmap_bh);
- printk("ext4_count_free_blocks: stored = %llu"
- ", computed = %llu, %llu\n",
- ext4_free_blocks_count(es),
- desc_count, bitmap_count);
+ printk(KERN_DEBUG "ext4_count_free_blocks: stored = %llu"
+ ", computed = %llu, %llu\n", ext4_free_blocks_count(es),
+ desc_count, bitmap_count);
return bitmap_count;
#else
desc_count = 0;
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index ec8e33b..ac873db 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -400,7 +400,8 @@ static int call_filldir(struct file * filp, void * dirent,
sb = inode->i_sb;
if (!fname) {
- printk("call_filldir: called with null fname?!?\n");
+ printk(KERN_ERR "ext4: call_filldir: called with "
+ "null fname?!?\n");
return 0;
}
curr_pos = hash2pos(fname->hash, fname->minor_hash);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index b24d3c5..a8db7fd 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -440,9 +440,10 @@ ext4_ext_binsearch_idx(struct inode *inode,
for (k = 0; k < le16_to_cpu(eh->eh_entries); k++, ix++) {
if (k != 0 &&
le32_to_cpu(ix->ei_block) <= le32_to_cpu(ix[-1].ei_block)) {
- printk("k=%d, ix=0x%p, first=0x%p\n", k,
- ix, EXT_FIRST_INDEX(eh));
- printk("%u <= %u\n",
+ printk(KERN_DEBUG "k=%d, ix=0x%p, "
+ "first=0x%p\n", k,
+ ix, EXT_FIRST_INDEX(eh));
+ printk(KERN_DEBUG "%u <= %u\n",
le32_to_cpu(ix->ei_block),
le32_to_cpu(ix[-1].ei_block));
}
@@ -2142,7 +2143,7 @@ void ext4_ext_init(struct super_block *sb)
*/
if (test_opt(sb, EXTENTS)) {
- printk("EXT4-fs: file extents enabled");
+ printk(KERN_INFO "EXT4-fs: file extents enabled");
#ifdef AGGRESSIVE_TEST
printk(", aggressive tests");
#endif
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index f344834..45c66a0 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -170,17 +170,18 @@ void ext4_free_inode (handle_t *handle, struct inode * inode)
ext4_group_t flex_group;
if (atomic_read(&inode->i_count) > 1) {
- printk ("ext4_free_inode: inode has count=%d\n",
- atomic_read(&inode->i_count));
+ printk(KERN_ERR "ext4_free_inode: inode has count=%d\n",
+ atomic_read(&inode->i_count));
return;
}
if (inode->i_nlink) {
- printk ("ext4_free_inode: inode has nlink=%d\n",
- inode->i_nlink);
+ printk(KERN_ERR "ext4_free_inode: inode has nlink=%d\n",
+ inode->i_nlink);
return;
}
if (!sb) {
- printk("ext4_free_inode: inode on nonexistent device\n");
+ printk(KERN_ERR "ext4_free_inode: inode on "
+ "nonexistent device\n");
return;
}
sbi = EXT4_SB(sb);
@@ -989,8 +990,9 @@ unsigned long ext4_count_free_inodes (struct super_block * sb)
bitmap_count += x;
}
brelse(bitmap_bh);
- printk("ext4_count_free_inodes: stored = %u, computed = %lu, %lu\n",
- le32_to_cpu(es->s_free_inodes_count), desc_count, bitmap_count);
+ printk(KERN_DEBUG "ext4_count_free_inodes: "
+ "stored = %u, computed = %lu, %lu\n",
+ le32_to_cpu(es->s_free_inodes_count), desc_count, bitmap_count);
return desc_count;
#else
desc_count = 0;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index e0e3a5e..0db2ccf 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -477,9 +477,10 @@ static void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap)
b2 = (unsigned char *) bitmap;
for (i = 0; i < e4b->bd_sb->s_blocksize; i++) {
if (b1[i] != b2[i]) {
- printk("corruption in group %lu at byte %u(%u):"
- " %x in copy != %x on disk/prealloc\n",
- e4b->bd_group, i, i * 8, b1[i], b2[i]);
+ printk(KERN_ERR "corruption in group %lu "
+ "at byte %u(%u): %x in copy != %x "
+ "on disk/prealloc\n",
+ e4b->bd_group, i, i * 8, b1[i], b2[i]);
BUG();
}
}
@@ -2560,7 +2561,7 @@ int ext4_mb_init(struct super_block *sb, int needs_recovery)
ext4_mb_init_per_dev_proc(sb);
ext4_mb_history_init(sb);
- printk("EXT4-fs: mballoc enabled\n");
+ printk(KERN_INFO "EXT4-fs: mballoc enabled\n");
return 0;
}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 387ad98..978b57f 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -254,12 +254,12 @@ static inline unsigned dx_node_limit (struct inode *dir)
* Debug
*/
#ifdef DX_DEBUG
-static void dx_show_index (char * label, struct dx_entry *entries)
+static void dx_show_index(char * label, struct dx_entry *entries)
{
int i, n = dx_get_count (entries);
- printk("%s index ", label);
+ printk(KERN_DEBUG "%s index ", label);
for (i = 0; i < n; i++) {
- printk("%x->%lu ", i? dx_get_hash(entries + i) :
+ printk("%x->%lu ", i ? dx_get_hash(entries + i) :
0, (unsigned long)dx_get_block(entries + i));
}
printk("\n");
@@ -328,8 +328,9 @@ struct stats dx_show_entries(struct dx_hash_info *hinfo, struct inode *dir,
brelse (bh);
}
if (bcount)
- printk("%snames %u, fullness %u (%u%%)\n", levels?"":" ",
- names, space/bcount,(space/bcount)*100/blocksize);
+ printk(KERN_DEBUG "%snames %u, fullness %u (%u%%)\n",
+ levels ? "" : " ", names, space/bcount,
+ (space/bcount)*100/blocksize);
return (struct stats) { names, space, bcount};
}
#endif /* DX_DEBUG */
@@ -635,8 +636,8 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
int ret, err;
__u32 hashval;
- dxtrace(printk("In htree_fill_tree, start hash: %x:%x\n", start_hash,
- start_minor_hash));
+ dxtrace(printk(KERN_DEBUG "In htree_fill_tree, start hash: %x:%x\n",
+ start_hash, start_minor_hash));
dir = dir_file->f_path.dentry->d_inode;
if (!(EXT4_I(dir)->i_flags & EXT4_INDEX_FL)) {
hinfo.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
@@ -694,8 +695,8 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
break;
}
dx_release(frames);
- dxtrace(printk("Fill tree: returned %d entries, next hash: %x\n",
- count, *next_hash));
+ dxtrace(printk(KERN_DEBUG "Fill tree: returned %d entries, "
+ "next hash: %x\n", count, *next_hash));
return count;
errout:
dx_release(frames);
@@ -882,7 +883,8 @@ static struct buffer_head * ext4_find_entry (struct dentry *dentry,
*/
if (bh || (err != ERR_BAD_DX_DIR))
return bh;
- dxtrace(printk("ext4_find_entry: dx failed, falling back\n"));
+ dxtrace(printk(KERN_DEBUG "ext4_find_entry: dx failed, "
+ "falling back\n"));
}
nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb);
start = EXT4_I(dir)->i_dir_start_lookup;
@@ -1025,7 +1027,7 @@ static struct buffer_head * ext4_dx_find_entry(struct dentry *dentry,
*err = -ENOENT;
errout:
- dxtrace(printk("%s not found\n", name));
+ dxtrace(printk(KERN_DEBUG "%s not found\n", name));
dx_release (frames);
return NULL;
}
@@ -1377,7 +1379,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
struct fake_dirent *fde;
blocksize = dir->i_sb->s_blocksize;
- dxtrace(printk("Creating index\n"));
+ dxtrace(printk(KERN_DEBUG "Creating index\n"));
retval = ext4_journal_get_write_access(handle, bh);
if (retval) {
ext4_std_error(dir->i_sb, retval);
@@ -1527,7 +1529,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
}
/* Block full, should compress but for now just split */
- dxtrace(printk("using %u of %u node entries\n",
+ dxtrace(printk(KERN_DEBUG "using %u of %u node entries\n",
dx_get_count(entries), dx_get_limit(entries)));
/* Need to split index? */
if (dx_get_count(entries) == dx_get_limit(entries)) {
@@ -1559,7 +1561,8 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
if (levels) {
unsigned icount1 = icount/2, icount2 = icount - icount1;
unsigned hash2 = dx_get_hash(entries + icount1);
- dxtrace(printk("Split index %i/%i\n", icount1, icount2));
+ dxtrace(printk(KERN_DEBUG "Split index %i/%i\n",
+ icount1, icount2));
BUFFER_TRACE(frame->bh, "get_write_access"); /* index root */
err = ext4_journal_get_write_access(handle,
@@ -1588,7 +1591,8 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
goto journal_error;
brelse (bh2);
} else {
- dxtrace(printk("Creating second level index...\n"));
+ dxtrace(printk(KERN_DEBUG
+ "Creating second level index...\n"));
memcpy((char *) entries2, (char *) entries,
icount * sizeof(struct dx_entry));
dx_set_limit(entries2, dx_node_limit(dir));
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 566344b..ee86954 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -981,7 +981,7 @@ static ext4_fsblk_t get_sb_block(void **data)
/*todo: use simple_strtoll with >32bit ext4 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- printk("EXT4-fs: Invalid sb specification: %s\n",
+ printk(KERN_ERR "EXT4-fs: Invalid sb specification: %s\n",
(char *) *data);
return 1;
}
@@ -1082,7 +1082,8 @@ static int parse_options(char *options, struct super_block *sb,
#else
case Opt_user_xattr:
case Opt_nouser_xattr:
- printk("EXT4 (no)user_xattr options not supported\n");
+ printk(KERN_ERR "EXT4 (no)user_xattr options "
+ "not supported\n");
break;
#endif
#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
@@ -1095,7 +1096,8 @@ static int parse_options(char *options, struct super_block *sb,
#else
case Opt_acl:
case Opt_noacl:
- printk("EXT4 (no)acl options not supported\n");
+ printk(KERN_ERR "EXT4 (no)acl options "
+ "not supported\n");
break;
#endif
case Opt_reservation:
@@ -1189,8 +1191,8 @@ set_qf_name:
sb_any_quota_suspended(sb)) &&
!sbi->s_qf_names[qtype]) {
printk(KERN_ERR
- "EXT4-fs: Cannot change journaled "
- "quota options when quota turned on.\n");
+ "EXT4-fs: Cannot change journaled "
+ "quota options when quota turned on.\n");
return 0;
}
qname = match_strdup(&args[0]);
@@ -1473,14 +1475,14 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
EXT4_INODES_PER_GROUP(sb),
sbi->s_mount_opt);
- printk(KERN_INFO "EXT4 FS on %s, ", sb->s_id);
if (EXT4_SB(sb)->s_journal->j_inode == NULL) {
char b[BDEVNAME_SIZE];
- printk("external journal on %s\n",
- bdevname(EXT4_SB(sb)->s_journal->j_dev, b));
+ printk(KERN_INFO "EXT4 FS on %s, external journal on %s\n",
+ sb->s_id, bdevname(EXT4_SB(sb)->s_journal->j_dev, b));
} else {
- printk("internal journal\n");
+ printk(KERN_INFO "EXT4 FS on %s, internal journal\n",
+ sb->s_id);
}
return res;
}
@@ -2715,6 +2717,11 @@ static int ext4_load_journal(struct super_block *sb,
return -EINVAL;
}
+ if (journal->j_flags & JBD2_BARRIER)
+ printk(KERN_INFO "EXT4-fs: barriers enabled\n");
+ else
+ printk(KERN_INFO "EXT4-fs: barriers disabled\n");
+
if (!really_read_only && test_opt(sb, UPDATE_JOURNAL)) {
err = jbd2_journal_update_format(journal);
if (err) {
--
1.5.6.1.205.ge2c7.dirty
--
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