ext4: rename ext4_count_free_blocks() to ext4_count_free_clusters()
This function really counts the free clusters reported in the block group descriptors, so rename it to reduce confusion. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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@ -524,12 +524,12 @@ ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
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}
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/**
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* ext4_count_free_blocks() -- count filesystem free blocks
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* ext4_count_free_clusters() -- count filesystem free clusters
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* @sb: superblock
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*
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* Adds up the number of free blocks from each block group.
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* Adds up the number of free clusters from each block group.
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*/
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ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb)
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ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb)
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{
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ext4_fsblk_t desc_count;
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struct ext4_group_desc *gdp;
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@ -562,8 +562,9 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb)
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bitmap_count += x;
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}
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brelse(bitmap_bh);
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printk(KERN_DEBUG "ext4_count_free_blocks: stored = %llu"
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", computed = %llu, %llu\n", ext4_free_blocks_count(es),
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printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu"
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", computed = %llu, %llu\n",
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EXT4_B2C(sbi, ext4_free_blocks_count(es)),
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desc_count, bitmap_count);
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return bitmap_count;
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#else
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@ -1775,7 +1775,7 @@ extern ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
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int *errp);
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extern int ext4_claim_free_blocks(struct ext4_sb_info *sbi,
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s64 nblocks, unsigned int flags);
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extern ext4_fsblk_t ext4_count_free_blocks(struct super_block *);
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extern ext4_fsblk_t ext4_count_free_clusters(struct super_block *);
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extern void ext4_check_blocks_bitmap(struct super_block *);
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extern struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,
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ext4_group_t block_group,
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@ -1365,7 +1365,8 @@ static void ext4_print_free_blocks(struct inode *inode)
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{
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struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
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printk(KERN_CRIT "Total free blocks count %lld\n",
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ext4_count_free_blocks(inode->i_sb));
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EXT4_C2B(EXT4_SB(inode->i_sb),
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ext4_count_free_clusters(inode->i_sb)));
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printk(KERN_CRIT "Free/Dirty block details\n");
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printk(KERN_CRIT "free_blocks=%lld\n",
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(long long) EXT4_C2B(EXT4_SB(inode->i_sb),
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@ -1451,8 +1452,7 @@ static void mpage_da_map_and_submit(struct mpage_da_data *mpd)
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if (err == -EAGAIN)
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goto submit_io;
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if (err == -ENOSPC &&
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ext4_count_free_blocks(sb)) {
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if (err == -ENOSPC && ext4_count_free_clusters(sb)) {
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mpd->retval = err;
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goto submit_io;
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}
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@ -2153,7 +2153,8 @@ static int ext4_check_descriptors(struct super_block *sb,
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if (NULL != first_not_zeroed)
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*first_not_zeroed = grp;
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ext4_free_blocks_count_set(sbi->s_es, ext4_count_free_blocks(sb));
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ext4_free_blocks_count_set(sbi->s_es,
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EXT4_C2B(sbi, ext4_count_free_clusters(sb)));
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sbi->s_es->s_free_inodes_count =cpu_to_le32(ext4_count_free_inodes(sb));
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return 1;
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}
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@ -3577,7 +3578,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
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sbi->s_err_report.data = (unsigned long) sb;
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err = percpu_counter_init(&sbi->s_freeclusters_counter,
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ext4_count_free_blocks(sb));
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ext4_count_free_clusters(sb));
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if (!err) {
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err = percpu_counter_init(&sbi->s_freeinodes_counter,
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ext4_count_free_inodes(sb));
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@ -3703,7 +3704,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
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* need to update the global counters.
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*/
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percpu_counter_set(&sbi->s_freeclusters_counter,
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ext4_count_free_blocks(sb));
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ext4_count_free_clusters(sb));
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percpu_counter_set(&sbi->s_freeinodes_counter,
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ext4_count_free_inodes(sb));
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percpu_counter_set(&sbi->s_dirs_counter,
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