ext4: use ext4_kvzalloc()/ext4_kvmalloc() for s_group_desc and s_group_info
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
parent
9933fc0ac1
commit
f18a5f21c2
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@ -2331,7 +2331,7 @@ static int ext4_mb_init_backend(struct super_block *sb)
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/* An 8TB filesystem with 64-bit pointers requires a 4096 byte
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* kmalloc. A 128kb malloc should suffice for a 256TB filesystem.
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* So a two level scheme suffices for now. */
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sbi->s_group_info = kzalloc(array_size, GFP_KERNEL);
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sbi->s_group_info = ext4_kvzalloc(array_size, GFP_KERNEL);
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if (sbi->s_group_info == NULL) {
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printk(KERN_ERR "EXT4-fs: can't allocate buddy meta group\n");
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return -ENOMEM;
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@ -2365,7 +2365,7 @@ err_freebuddy:
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kfree(sbi->s_group_info[i]);
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iput(sbi->s_buddy_cache);
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err_freesgi:
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kfree(sbi->s_group_info);
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ext4_kvfree(sbi->s_group_info);
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return -ENOMEM;
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}
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@ -2559,7 +2559,7 @@ int ext4_mb_release(struct super_block *sb)
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EXT4_DESC_PER_BLOCK_BITS(sb);
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for (i = 0; i < num_meta_group_infos; i++)
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kfree(sbi->s_group_info[i]);
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kfree(sbi->s_group_info);
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ext4_kvfree(sbi->s_group_info);
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}
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kfree(sbi->s_mb_offsets);
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kfree(sbi->s_mb_maxs);
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@ -467,12 +467,13 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
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if (unlikely(err))
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goto exit_dindj;
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n_group_desc = kmalloc((gdb_num + 1) * sizeof(struct buffer_head *),
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GFP_NOFS);
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n_group_desc = ext4_kvmalloc((gdb_num + 1) *
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sizeof(struct buffer_head *),
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GFP_NOFS);
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if (!n_group_desc) {
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err = -ENOMEM;
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ext4_warning(sb,
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"not enough memory for %lu groups", gdb_num + 1);
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ext4_warning(sb, "not enough memory for %lu groups",
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gdb_num + 1);
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goto exit_inode;
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}
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@ -507,7 +508,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
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n_group_desc[gdb_num] = gdb_bh;
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EXT4_SB(sb)->s_group_desc = n_group_desc;
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EXT4_SB(sb)->s_gdb_count++;
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kfree(o_group_desc);
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ext4_kvfree(o_group_desc);
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le16_add_cpu(&es->s_reserved_gdt_blocks, -1);
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err = ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
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@ -517,7 +518,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
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return err;
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exit_inode:
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kfree(n_group_desc);
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ext4_kvfree(n_group_desc);
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/* ext4_handle_release_buffer(handle, iloc.bh); */
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brelse(iloc.bh);
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exit_dindj:
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@ -819,7 +819,7 @@ static void ext4_put_super(struct super_block *sb)
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for (i = 0; i < sbi->s_gdb_count; i++)
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brelse(sbi->s_group_desc[i]);
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kfree(sbi->s_group_desc);
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ext4_kvfree(sbi->s_group_desc);
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ext4_kvfree(sbi->s_flex_groups);
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percpu_counter_destroy(&sbi->s_freeblocks_counter);
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percpu_counter_destroy(&sbi->s_freeinodes_counter);
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@ -3439,8 +3439,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
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(EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
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db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
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EXT4_DESC_PER_BLOCK(sb);
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sbi->s_group_desc = kmalloc(db_count * sizeof(struct buffer_head *),
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GFP_KERNEL);
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sbi->s_group_desc = ext4_kvmalloc(db_count *
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sizeof(struct buffer_head *),
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GFP_KERNEL);
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if (sbi->s_group_desc == NULL) {
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ext4_msg(sb, KERN_ERR, "not enough memory");
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goto failed_mount;
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@ -3783,7 +3784,7 @@ failed_mount3:
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failed_mount2:
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for (i = 0; i < db_count; i++)
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brelse(sbi->s_group_desc[i]);
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kfree(sbi->s_group_desc);
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ext4_kvfree(sbi->s_group_desc);
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failed_mount:
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if (sbi->s_proc) {
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remove_proc_entry(sb->s_id, ext4_proc_root);
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