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fix for dx tail size when using checksums

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This commit is contained in:
Bo Brantén
2020-02-22 23:59:06 +01:00
parent 8b1baf11a2
commit 9abe75f04c
1 changed files with 12 additions and 6 deletions
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18
Ext4Fsd/ext3/htree.c
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@@ -456,8 +456,8 @@ int add_dirent_to_buf(struct ext2_icb *icb, struct dentry *dentry,
dir->i_mtime = dir->i_ctime = ext3_current_time(dir);
ext3_update_dx_flag(dir);
dir->i_version++;
ext3_mark_inode_dirty(icb, dir);
ext4_dirent_csum_set(dir, (struct ext4_dir_entry *)bh->b_data);
ext3_mark_inode_dirty(icb, dir);
set_buffer_dirty(bh);
__brelse(bh);
return 0;
@@ -811,15 +811,21 @@ static inline void dx_set_limit (struct dx_entry *entries, unsigned value)
static inline unsigned dx_root_limit (struct inode *dir, unsigned infosize)
{
unsigned entry_space = dir->i_sb->s_blocksize - EXT3_DIR_REC_LEN(1) -
EXT3_DIR_REC_LEN(2) - infosize;
return 0? 20: entry_space / sizeof(struct dx_entry);
unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(1) -
EXT4_DIR_REC_LEN(2) - infosize;
if (ext4_has_metadata_csum(dir->i_sb))
entry_space -= sizeof(struct dx_tail);
return entry_space / sizeof(struct dx_entry);
}
static inline unsigned dx_node_limit (struct inode *dir)
{
unsigned entry_space = dir->i_sb->s_blocksize - EXT3_DIR_REC_LEN(0);
return 0? 22: entry_space / sizeof(struct dx_entry);
unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(0);
if (ext4_has_metadata_csum(dir->i_sb))
entry_space -= sizeof(struct dx_tail);
return entry_space / sizeof(struct dx_entry);
}
/*