From c0a4ef38ac90d9053fcf3e22f81520a507c1a7bd Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Thu, 17 Apr 2008 10:38:59 -0400 Subject: [PATCH] ext4: use ext4_get_group_desc() Use ext4_get_group_desc() in ext4_get_inode_block() instead of open coding the functionality. Signed-off-by: Akinobu Mita Signed-off-by: "Theodore Ts'o" Cc: Stephen Tweedie Cc: adilger@clusterfs.com Cc: Andrew Morton Cc: Mingming Cao --- fs/ext4/inode.c | 20 +++----------------- 1 file changed, 3 insertions(+), 17 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 24a2604dde7b..aa0fb985b15e 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2511,12 +2511,10 @@ void ext4_truncate(struct inode *inode) static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb, unsigned long ino, struct ext4_iloc *iloc) { - unsigned long desc, group_desc; ext4_group_t block_group; unsigned long offset; ext4_fsblk_t block; - struct buffer_head *bh; - struct ext4_group_desc * gdp; + struct ext4_group_desc *gdp; if (!ext4_valid_inum(sb, ino)) { /* @@ -2528,22 +2526,10 @@ static ext4_fsblk_t ext4_get_inode_block(struct super_block *sb, } block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); - if (block_group >= EXT4_SB(sb)->s_groups_count) { - ext4_error(sb,"ext4_get_inode_block","group >= groups count"); + gdp = ext4_get_group_desc(sb, block_group, NULL); + if (!gdp) return 0; - } - smp_rmb(); - group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb); - desc = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1); - bh = EXT4_SB(sb)->s_group_desc[group_desc]; - if (!bh) { - ext4_error (sb, "ext4_get_inode_block", - "Descriptor not loaded"); - return 0; - } - gdp = (struct ext4_group_desc *)((__u8 *)bh->b_data + - desc * EXT4_DESC_SIZE(sb)); /* * Figure out the offset within the block group inode table */ -- GitLab