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nilfs2: reduce bare use of printk() with nilfs_msg()

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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>
This commit is contained in:
Ryusuke Konishi
2016-08-02 14:05:10 -07:00
committed by Linus Torvalds
parent 6625689e15
commit feee880fa5
13 changed files with 283 additions and 275 deletions
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127
fs/nilfs2/the_nilfs.c
View File

@@ -192,7 +192,10 @@ 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");
nilfs_msg(nilfs->ns_sb, KERN_ERR,
"pointed segment number is out of range: segnum=%llu, nsegments=%lu",
(unsigned long long)nilfs->ns_segnum,
nilfs->ns_nsegments);
ret = -EINVAL;
}
return ret;
@@ -216,12 +219,12 @@ 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");
nilfs_msg(sb, KERN_WARNING, "mounting unchecked fs");
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");
nilfs_msg(sb, KERN_INFO,
"recovery required for readonly filesystem");
nilfs_msg(sb, KERN_INFO,
"write access will be enabled during recovery");
}
}
@@ -236,13 +239,12 @@ 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");
nilfs_msg(sb, KERN_WARNING,
"unable to fall back to spare super block");
goto scan_error;
}
printk(KERN_INFO
"NILFS: try rollback from an earlier position\n");
nilfs_msg(sb, KERN_INFO,
"trying rollback from an earlier position");
/*
* restore super block with its spare and reconfigure
@@ -255,10 +257,9 @@ 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);
nilfs_msg(sb, KERN_WARNING,
"blocksize differs between two super blocks (%d != %d)",
blocksize, nilfs->ns_blocksize);
goto scan_error;
}
@@ -277,7 +278,8 @@ 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");
nilfs_msg(sb, KERN_ERR, "error %d while loading super root",
err);
goto failed;
}
@@ -288,30 +290,29 @@ 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");
nilfs_msg(sb, KERN_INFO,
"norecovery option specified, skipping roll-forward recovery");
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",
(unsigned long long)features);
nilfs_msg(sb, KERN_ERR,
"couldn't proceed with recovery because of unsupported optional features (%llx)",
(unsigned long long)features);
err = -EROFS;
goto failed_unload;
}
if (really_read_only) {
printk(KERN_ERR "NILFS: write access "
"unavailable, cannot proceed.\n");
nilfs_msg(sb, KERN_ERR,
"write access unavailable, cannot proceed");
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");
nilfs_msg(sb, KERN_ERR,
"recovery cancelled because norecovery option was specified for a read/write mount");
err = -EINVAL;
goto failed_unload;
}
@@ -326,11 +327,12 @@ 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");
nilfs_msg(sb, KERN_ERR,
"error %d updating super block. recovery unfinished.",
err);
goto failed_unload;
}
printk(KERN_INFO "NILFS: recovery complete.\n");
nilfs_msg(sb, KERN_INFO, "recovery complete");
skip_recovery:
nilfs_clear_recovery_info(&ri);
@@ -338,7 +340,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
return 0;
scan_error:
printk(KERN_ERR "NILFS: error searching super root.\n");
nilfs_msg(sb, KERN_ERR, "error %d while searching super root", err);
goto failed;
failed_unload:
@@ -385,12 +387,11 @@ 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 "
"(superblock rev.=%d.%d, current rev.=%d.%d). "
"Please check the version of mkfs.nilfs.\n",
le32_to_cpu(sbp->s_rev_level),
le16_to_cpu(sbp->s_minor_rev_level),
NILFS_CURRENT_REV, NILFS_MINOR_REV);
nilfs_msg(nilfs->ns_sb, KERN_ERR,
"unsupported revision (superblock rev.=%d.%d, current rev.=%d.%d). Please check the version of mkfs.nilfs(2).",
le32_to_cpu(sbp->s_rev_level),
le16_to_cpu(sbp->s_minor_rev_level),
NILFS_CURRENT_REV, NILFS_MINOR_REV);
return -EINVAL;
}
nilfs->ns_sbsize = le16_to_cpu(sbp->s_bytes);
@@ -399,12 +400,14 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
nilfs->ns_inode_size = le16_to_cpu(sbp->s_inode_size);
if (nilfs->ns_inode_size > nilfs->ns_blocksize) {
printk(KERN_ERR "NILFS: too large inode size: %d bytes.\n",
nilfs->ns_inode_size);
nilfs_msg(nilfs->ns_sb, KERN_ERR,
"too large inode size: %d bytes",
nilfs->ns_inode_size);
return -EINVAL;
} else if (nilfs->ns_inode_size < NILFS_MIN_INODE_SIZE) {
printk(KERN_ERR "NILFS: too small inode size: %d bytes.\n",
nilfs->ns_inode_size);
nilfs_msg(nilfs->ns_sb, KERN_ERR,
"too small inode size: %d bytes",
nilfs->ns_inode_size);
return -EINVAL;
}
@@ -412,7 +415,9 @@ 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");
nilfs_msg(nilfs->ns_sb, KERN_ERR,
"too short segment: %lu blocks",
nilfs->ns_blocks_per_segment);
return -EINVAL;
}
@@ -421,7 +426,9 @@ 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");
nilfs_msg(nilfs->ns_sb, KERN_ERR,
"invalid reserved segments percentage: %lu",
nilfs->ns_r_segments_percentage);
return -EINVAL;
}
@@ -505,16 +512,16 @@ 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");
nilfs_msg(sb, KERN_ERR, "unable to read superblock");
return -EIO;
}
printk(KERN_WARNING
"NILFS warning: unable to read primary superblock "
"(blocksize = %d)\n", blocksize);
nilfs_msg(sb, KERN_WARNING,
"unable to read primary superblock (blocksize = %d)",
blocksize);
} else if (!sbp[1]) {
printk(KERN_WARNING
"NILFS warning: unable to read secondary superblock "
"(blocksize = %d)\n", blocksize);
nilfs_msg(sb, KERN_WARNING,
"unable to read secondary superblock (blocksize = %d)",
blocksize);
}
/*
@@ -536,14 +543,14 @@ 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);
nilfs_msg(sb, KERN_ERR, "couldn't find nilfs on the device");
return -EINVAL;
}
if (!valid[!swp])
printk(KERN_WARNING "NILFS warning: broken superblock. "
"using spare superblock (blocksize = %d).\n", blocksize);
nilfs_msg(sb, KERN_WARNING,
"broken superblock, retrying with spare superblock (blocksize = %d)",
blocksize);
if (swp)
nilfs_swap_super_block(nilfs);
@@ -577,7 +584,7 @@ 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");
nilfs_msg(sb, KERN_ERR, "unable to set blocksize");
err = -EINVAL;
goto out;
}
@@ -596,8 +603,9 @@ 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);
nilfs_msg(sb, KERN_ERR,
"couldn't mount because of unsupported filesystem blocksize %d",
blocksize);
err = -EINVAL;
goto failed_sbh;
}
@@ -605,10 +613,9 @@ 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 "
"(sector-size = %d).\n",
blocksize, hw_blocksize);
nilfs_msg(sb, KERN_ERR,
"blocksize %d too small for device (sector-size = %d)",
blocksize, hw_blocksize);
err = -EINVAL;
goto failed_sbh;
}