/**
* alloc_nilfs - allocate a nilfs object
- * @bdev: block device to which the_nilfs is related
+ * @sb: super block instance
*
* Return Value: On success, pointer to the_nilfs is returned.
* On error, NULL is returned.
*/
-struct the_nilfs *alloc_nilfs(struct block_device *bdev)
+struct the_nilfs *alloc_nilfs(struct super_block *sb)
{
struct the_nilfs *nilfs;
if (!nilfs)
return NULL;
- nilfs->ns_bdev = bdev;
+ nilfs->ns_sb = sb;
+ nilfs->ns_bdev = sb->s_bdev;
atomic_set(&nilfs->ns_ndirtyblks, 0);
init_rwsem(&nilfs->ns_sem);
mutex_init(&nilfs->ns_snapshot_mount_mutex);
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;
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");
}
}
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
/* 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;
}
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;
}
__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;
}
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);
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:
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);
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;
}
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;
}
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;
}
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);
}
/*
}
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);
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;
}
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;
}
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;
}
projects / cascardo / linux.git / blobdiff