The patchset can be fetched from github:
https://github.com/adam900710/btrfs-progs/tree/lowmem_fix
The patchset is mostly rebased to v4.14, since there is some conflicts
with lowmem repair enhancement from Su Yue.
However the lowmem repair enhancement from Su Yue caused one regression,
and the original lowmem code also has some problem handling tree reloc
tree.
The first 2 patches are newly introduced to address this.
The rest are not touched at all (except the conflicts).
As always, the 9th patch may not reach mail list due to its size.
Please use github repo to fetch that file.
Qu Wenruo (11):
btrfs-progs: lowmem check: Fix regression which screws up extent
allocator
btrfs-progs: lowmem check: Fix NULL pointer access caused by large
tree reloc tree
btrfs-progs: lowmem check: Fix inlined data extent ref lookup
btrfs-progs: lowmem check: Fix false backref lost warning for keyed
extent data ref
btrfs-progs: fsck-test: Introduce test case for false data extent
backref lost
btrfs-progs: backref: Allow backref walk to handle direct parent ref
btrfs-progs: lowmem check: Fix function call stack overflow caused by
wrong tree reloc tree detection
btrfs-progs: lowmem check: Fix false alerts for image with shared
block ref only backref
btrfs-progs: fsck-test: Add new image with shared block ref only
metadata backref
btrfs-progs: lowmem check: Fix false alerts of referencer count
mismatch for snapshot
btrfs-progs: fsck-tests: Introduce test case with keyed data backref
with shared tree blocks
backref.c | 3 +
cmds-check.c | 79 +++++++++++++++------
.../020-extent-ref-cases/keyed_data_ref_only.img | Bin 0 -> 4096 bytes
.../keyed_data_ref_with_shared_leaf.img | Bin 0 -> 19456 bytes
.../shared_block_ref_only.raw.xz | Bin 0 -> 217204 bytes
5 files changed, 61 insertions(+), 21 deletions(-)
create mode 100644
tests/fsck-tests/020-extent-ref-cases/keyed_data_ref_only.img
create mode 100644
tests/fsck-tests/020-extent-ref-cases/keyed_data_ref_with_shared_leaf.img
create mode 100644
tests/fsck-tests/020-extent-ref-cases/shared_block_ref_only.raw.xz
--
2.15.0
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