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authorTheodore Ts'o <tytso@mit.edu>2009-11-15 15:29:56 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-14 09:45:01 -0800
commit31299e22be94e77b6df41d022e8f0bd075537d58 (patch)
tree7b11481d5f47ec88b7d4e48b4b8769a7d3900a06
parent58ffefbe7bf2bdfc6f91b79eef9d670df6eab4d3 (diff)
ext4: fix block validity checks so they work correctly with meta_bg
(cherry picked from commit 1032988c71f3f85483b2b4319684d1205a704c02) The block validity checks used by ext4_data_block_valid() wasn't correctly written to check file systems with the meta_bg feature. Fix this. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--fs/ext4/block_validity.c2
-rw-r--r--fs/ext4/inode.c5
2 files changed, 2 insertions, 5 deletions
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index 50784ef07563..dc79b75d8f70 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -160,7 +160,7 @@ int ext4_setup_system_zone(struct super_block *sb)
if (ext4_bg_has_super(sb, i) &&
((i < 5) || ((i % flex_size) == 0)))
add_system_zone(sbi, ext4_group_first_block_no(sb, i),
- sbi->s_gdb_count + 1);
+ ext4_bg_num_gdb(sb, i) + 1);
gdp = ext4_get_group_desc(sb, i, NULL);
ret = add_system_zone(sbi, ext4_block_bitmap(sb, gdp), 1);
if (ret)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 1842a72b72b1..68c9055a4d91 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4883,10 +4883,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
ret = 0;
if (ei->i_file_acl &&
- ((ei->i_file_acl <
- (le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block) +
- EXT4_SB(sb)->s_gdb_count)) ||
- (ei->i_file_acl >= ext4_blocks_count(EXT4_SB(sb)->s_es)))) {
+ !ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
ext4_error(sb, __func__,
"bad extended attribute block %llu in inode #%lu",
ei->i_file_acl, inode->i_ino);