Hi Linus,
Here are some patches for 4.18 to fix regressions, accounting problems,
overflow problems, and to strengthen metadata validation to prevent
corruption.
This series has been run through a full xfstests run over the weekend
and through a quick xfstests run against this morning's master, with no
major failures reported.
--D
The following changes since commit ce397d215ccd07b8ae3f71db689aedb85d56ab40:
Linux 4.18-rc1 (2018-06-17 08:04:49 +0900)
are available in the Git repository at:
git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git tags/xfs-4.18-fixes-2
for you to fetch changes up to d8cb5e42378918e00eda58792f3ab86dd1e7d214:
xfs: fix fdblocks accounting w/ RMAPBT per-AG reservation (2018-06-24 12:00:12 -0700)
----------------------------------------------------------------
Changes since last update:
- More metadata validation strengthening to prevent crashes.
- Fix extent offset overflow problem when insert_range on a 512b block fs
- Fix some off-by-one errors in the realtime fsmap code
- Fix some math errors in the default resblks calculation when free space
is low
- Fix a problem where stale page contents are exposed via mmap read
after a zero_range at eof
- Fix accounting problems with per-ag reservations causing statfs
reports to vary incorrectly
----------------------------------------------------------------
Christoph Hellwig (1):
xfs: simplify xfs_bmap_punch_delalloc_range
Darrick J. Wong (8):
xfs: allow empty transactions while frozen
xfs: don't trip over negative free space in xfs_reserve_blocks
xfs: don't allow insert-range to shift extents past the maximum offset
xfs: recheck reflink state after grabbing ILOCK_SHARED for a write
xfs: fix uninitialized field in rtbitmap fsmap backend
xfs: fix off-by-one error in xfs_rtalloc_query_range
xfs: ensure post-EOF zeroing happens after zeroing part of a file
xfs: fix fdblocks accounting w/ RMAPBT per-AG reservation
Dave Chinner (2):
xfs: More robust inode extent count validation
xfs: xfs_iflush_abort() can be called twice on cluster writeback failure
fs/xfs/libxfs/xfs_ag_resv.c | 31 ++++++++++--
fs/xfs/libxfs/xfs_bmap.c | 26 +++++++++++
fs/xfs/libxfs/xfs_bmap.h | 2 +
fs/xfs/libxfs/xfs_format.h | 5 ++
fs/xfs/libxfs/xfs_inode_buf.c | 76 ++++++++++++++++++------------
fs/xfs/libxfs/xfs_rtbitmap.c | 4 +-
fs/xfs/xfs_bmap_util.c | 106 +++++++++++++++++++++---------------------
fs/xfs/xfs_fsmap.c | 4 +-
fs/xfs/xfs_fsops.c | 2 +-
fs/xfs/xfs_inode.c | 57 +++++++++--------------
fs/xfs/xfs_iomap.c | 15 +++++-
fs/xfs/xfs_trans.c | 7 ++-
12 files changed, 205 insertions(+), 130 deletions(-)
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