e2fsck warns about "Group descriptor 0 marked uninitialized without
feature set."
The bg_itable_unused field is only defined if FEATURE_RO_COMPAT_GDT_CSUM
is set, and should be set (kept) zero otherwise.
Signed-off-by: Stefan Brüns <stefan.bru...@rwth-aachen.de>
Reviewed-by: Lukasz Majewski <l.majew...@samsung.com>
---
fs/ext4/ext4_common.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index e8e6c00..e58ba36 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -988,12 +988,13 @@ int ext4fs_get_new_inode_no(void)
if (!journal_buffer || !zero_buffer)
goto fail;
struct ext2_block_group *bgd = (struct ext2_block_group *)fs->gdtable;
+ int has_gdt_chksum = le32_to_cpu(fs->sb->feature_ro_compat) &
+ EXT4_FEATURE_RO_COMPAT_GDT_CSUM ? 1 : 0;
if (fs->first_pass_ibmap == 0) {
for (i = 0; i < fs->no_blkgrp; i++) {
if (bgd[i].free_inodes) {
- if (bgd[i].bg_itable_unused !=
- bgd[i].free_inodes)
+ if (has_gdt_chksum)
bgd[i].bg_itable_unused =
bgd[i].free_inodes;
if (le16_to_cpu(bgd[i].bg_flags) &
EXT4_BG_INODE_UNINIT) {
@@ -1014,7 +1015,8 @@ int ext4fs_get_new_inode_no(void)
(i * inodes_per_grp);
fs->first_pass_ibmap++;
ext4fs_bg_free_inodes_dec(&bgd[i]);
- ext4fs_bg_itable_unused_dec(&bgd[i]);
+ if (has_gdt_chksum)
+ ext4fs_bg_itable_unused_dec(&bgd[i]);
ext4fs_sb_free_inodes_dec(fs->sb);
status = ext4fs_devread(
(lbaint_t)le32_to_cpu(bgd[i].inode_id) *
@@ -1069,12 +1071,10 @@ restart:
goto fail;
prev_inode_bitmap_index = ibmap_idx;
}
- if (bgd[ibmap_idx].bg_itable_unused !=
- bgd[ibmap_idx].free_inodes)
+ ext4fs_bg_free_inodes_dec(&bgd[ibmap_idx]);
+ if (has_gdt_chksum)
bgd[ibmap_idx].bg_itable_unused =
bgd[ibmap_idx].free_inodes;
- ext4fs_bg_free_inodes_dec(&bgd[ibmap_idx]);
- ext4fs_bg_itable_unused_dec(&bgd[ibmap_idx]);
ext4fs_sb_free_inodes_dec(fs->sb);
goto success;
}
--
2.9.3
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