From f18a5f21c25707b4fe64b326e2b4d150565e7300 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Mon, 1 Aug 2011 08:45:38 -0400 Subject: [PATCH] ext4: use ext4_kvzalloc()/ext4_kvmalloc() for s_group_desc and s_group_info Signed-off-by: "Theodore Ts'o" --- fs/ext4/mballoc.c | 6 +++--- fs/ext4/resize.c | 13 +++++++------ fs/ext4/super.c | 9 +++++---- 3 files changed, 15 insertions(+), 13 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index fa716c9b2455..d5021e82f8cc 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2331,7 +2331,7 @@ static int ext4_mb_init_backend(struct super_block *sb) /* An 8TB filesystem with 64-bit pointers requires a 4096 byte * kmalloc. A 128kb malloc should suffice for a 256TB filesystem. * So a two level scheme suffices for now. */ - sbi->s_group_info = kzalloc(array_size, GFP_KERNEL); + sbi->s_group_info = ext4_kvzalloc(array_size, GFP_KERNEL); if (sbi->s_group_info == NULL) { printk(KERN_ERR "EXT4-fs: can't allocate buddy meta group\n"); return -ENOMEM; @@ -2365,7 +2365,7 @@ err_freebuddy: kfree(sbi->s_group_info[i]); iput(sbi->s_buddy_cache); err_freesgi: - kfree(sbi->s_group_info); + ext4_kvfree(sbi->s_group_info); return -ENOMEM; } @@ -2559,7 +2559,7 @@ int ext4_mb_release(struct super_block *sb) EXT4_DESC_PER_BLOCK_BITS(sb); for (i = 0; i < num_meta_group_infos; i++) kfree(sbi->s_group_info[i]); - kfree(sbi->s_group_info); + ext4_kvfree(sbi->s_group_info); } kfree(sbi->s_mb_offsets); kfree(sbi->s_mb_maxs); diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 71085df97bbd..707d3f16f7ce 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -467,12 +467,13 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, if (unlikely(err)) goto exit_dindj; - n_group_desc = kmalloc((gdb_num + 1) * sizeof(struct buffer_head *), - GFP_NOFS); + n_group_desc = ext4_kvmalloc((gdb_num + 1) * + sizeof(struct buffer_head *), + GFP_NOFS); if (!n_group_desc) { err = -ENOMEM; - ext4_warning(sb, - "not enough memory for %lu groups", gdb_num + 1); + ext4_warning(sb, "not enough memory for %lu groups", + gdb_num + 1); goto exit_inode; } @@ -507,7 +508,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, n_group_desc[gdb_num] = gdb_bh; EXT4_SB(sb)->s_group_desc = n_group_desc; EXT4_SB(sb)->s_gdb_count++; - kfree(o_group_desc); + ext4_kvfree(o_group_desc); le16_add_cpu(&es->s_reserved_gdt_blocks, -1); err = ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh); @@ -517,7 +518,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, return err; exit_inode: - kfree(n_group_desc); + ext4_kvfree(n_group_desc); /* ext4_handle_release_buffer(handle, iloc.bh); */ brelse(iloc.bh); exit_dindj: diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 658f5864e9cf..e2d88baf91d3 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -819,7 +819,7 @@ static void ext4_put_super(struct super_block *sb) for (i = 0; i < sbi->s_gdb_count; i++) brelse(sbi->s_group_desc[i]); - kfree(sbi->s_group_desc); + ext4_kvfree(sbi->s_group_desc); ext4_kvfree(sbi->s_flex_groups); percpu_counter_destroy(&sbi->s_freeblocks_counter); percpu_counter_destroy(&sbi->s_freeinodes_counter); @@ -3439,8 +3439,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb))); db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) / EXT4_DESC_PER_BLOCK(sb); - sbi->s_group_desc = kmalloc(db_count * sizeof(struct buffer_head *), - GFP_KERNEL); + sbi->s_group_desc = ext4_kvmalloc(db_count * + sizeof(struct buffer_head *), + GFP_KERNEL); if (sbi->s_group_desc == NULL) { ext4_msg(sb, KERN_ERR, "not enough memory"); goto failed_mount; @@ -3783,7 +3784,7 @@ failed_mount3: failed_mount2: for (i = 0; i < db_count; i++) brelse(sbi->s_group_desc[i]); - kfree(sbi->s_group_desc); + ext4_kvfree(sbi->s_group_desc); failed_mount: if (sbi->s_proc) { remove_proc_entry(sb->s_id, ext4_proc_root); -- 2.30.2