6.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kent Overstreet <kent.overstreet@xxxxxxxxx>
commit 247c056bde2ebc9fad2fc62332dc7cc99b58d720 upstream.
bch2_check_version_downgrade() was setting c->sb.version, which
bch2_sb_set_downgrade() expects to be at the previous version; and it
shouldn't even have been set directly because c->sb.version is updated
by write_super().
Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/bcachefs/super-io.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -1123,18 +1123,12 @@ bool bch2_check_version_downgrade(struct
* c->sb will be checked before we write the superblock, so update it as
* well:
*/
- if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) > bcachefs_metadata_version_current) {
+ if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) > bcachefs_metadata_version_current)
SET_BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb, bcachefs_metadata_version_current);
- c->sb.version_upgrade_complete = bcachefs_metadata_version_current;
- }
- if (c->sb.version > bcachefs_metadata_version_current) {
+ if (c->sb.version > bcachefs_metadata_version_current)
c->disk_sb.sb->version = cpu_to_le16(bcachefs_metadata_version_current);
- c->sb.version = bcachefs_metadata_version_current;
- }
- if (c->sb.version_min > bcachefs_metadata_version_current) {
+ if (c->sb.version_min > bcachefs_metadata_version_current)
c->disk_sb.sb->version_min = cpu_to_le16(bcachefs_metadata_version_current);
- c->sb.version_min = bcachefs_metadata_version_current;
- }
c->disk_sb.sb->compat[0] &= cpu_to_le64((1ULL << BCH_COMPAT_NR) - 1);
return ret;
}
