diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-07-28 10:24:40 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-07-28 10:24:40 +0200 |
| commit | f61389a9cd26b424485acade726ccfff96c749de (patch) | |
| tree | f54ed90124becd0e3758ef0702ae5866c6bfa65c /fs/xfs/libxfs/xfs_ialloc.c | |
| parent | c3ff7f06c7876bc292cac1c7d4df3d0bfd74f3b7 (diff) | |
| parent | 85b9dd6e90b92f5cb7c47991421ceb4925ba2a87 (diff) | |
Merge tag 'i2c-host-6.17-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host for v6.17, part 1
Cleanups and refactorings:
- lpi2c, riic, st, stm32f7: general improvements
- riic: support more flexible IRQ configurations
- tegra: fix documentation
Improvements:
- lpi2c: improve register polling and add atomic transfer
- imx: use guarded spinlocks
New hardware support:
- Samsung Exynos 2200
- Renesas RZ/T2H (R9A09G077), RZ/N2H (R9A09G087)
DT binding:
- rk3x: enable power domains
- nxp: support clock property
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 0c47b5c6ca7d9..750111634d9f7 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -2801,12 +2801,35 @@ xfs_ialloc_read_agi( set_bit(XFS_AGSTATE_AGI_INIT, &pag->pag_opstate); } +#ifdef DEBUG /* - * It's possible for these to be out of sync if - * we are in the middle of a forced shutdown. + * It's possible for the AGF to be out of sync if the block device is + * silently dropping writes. This can happen in fstests with dmflakey + * enabled, which allows the buffer to be cleaned and reclaimed by + * memory pressure and then re-read from disk here. We will get a + * stale version of the AGF from disk, and nothing good can happen from + * here. Hence if we detect this situation, immediately shut down the + * filesystem. + * + * This can also happen if we are already in the middle of a forced + * shutdown, so don't bother checking if we are already shut down. */ - ASSERT(pag->pagi_freecount == be32_to_cpu(agi->agi_freecount) || - xfs_is_shutdown(pag_mount(pag))); + if (!xfs_is_shutdown(pag_mount(pag))) { + bool ok = true; + + ok &= pag->pagi_freecount == be32_to_cpu(agi->agi_freecount); + ok &= pag->pagi_count == be32_to_cpu(agi->agi_count); + + if (XFS_IS_CORRUPT(pag_mount(pag), !ok)) { + xfs_ag_mark_sick(pag, XFS_SICK_AG_AGI); + xfs_trans_brelse(tp, agibp); + xfs_force_shutdown(pag_mount(pag), + SHUTDOWN_CORRUPT_ONDISK); + return -EFSCORRUPTED; + } + } +#endif /* DEBUG */ + if (agibpp) *agibpp = agibp; else |