diff options
| author | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2016-09-06 04:36:47 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-09-23 09:02:39 -0400 |
| commit | 398d6fad921ec0bc82ae98250831216a363c38b6 (patch) | |
| tree | e95b1b76b1fd53e07ea3f3a3583da9abad74a768 /fs | |
| parent | b7dd40d05235871a5e6cae02f38c14dc6487d352 (diff) | |
ext4: Only update number of of unused inodes if GDT_CSUM feature is set
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.bruens@rwth-aachen.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ext4_common.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index deca954e08..aeccdf17d3 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; } |