Revision 082cd4ec240b8734a82a89ffb890216ac98fec68 authored by Ye Bin on 06 May 2021, 14:10:42 UTC, committed by Theodore Ts'o on 06 June 2021, 14:09:55 UTC
We got follow bug_on when run fsstress with injecting IO fault: [130747.323114] kernel BUG at fs/ext4/extents_status.c:762! [130747.323117] Internal error: Oops - BUG: 0 [#1] SMP ...... [130747.334329] Call trace: [130747.334553] ext4_es_cache_extent+0x150/0x168 [ext4] [130747.334975] ext4_cache_extents+0x64/0xe8 [ext4] [130747.335368] ext4_find_extent+0x300/0x330 [ext4] [130747.335759] ext4_ext_map_blocks+0x74/0x1178 [ext4] [130747.336179] ext4_map_blocks+0x2f4/0x5f0 [ext4] [130747.336567] ext4_mpage_readpages+0x4a8/0x7a8 [ext4] [130747.336995] ext4_readpage+0x54/0x100 [ext4] [130747.337359] generic_file_buffered_read+0x410/0xae8 [130747.337767] generic_file_read_iter+0x114/0x190 [130747.338152] ext4_file_read_iter+0x5c/0x140 [ext4] [130747.338556] __vfs_read+0x11c/0x188 [130747.338851] vfs_read+0x94/0x150 [130747.339110] ksys_read+0x74/0xf0 This patch's modification is according to Jan Kara's suggestion in: https://patchwork.ozlabs.org/project/linux-ext4/patch/20210428085158.3728201-1-yebin10@huawei.com/ "I see. Now I understand your patch. Honestly, seeing how fragile is trying to fix extent tree after split has failed in the middle, I would probably go even further and make sure we fix the tree properly in case of ENOSPC and EDQUOT (those are easily user triggerable). Anything else indicates a HW problem or fs corruption so I'd rather leave the extent tree as is and don't try to fix it (which also means we will not create overlapping extents)." Cc: stable@kernel.org Signed-off-by: Ye Bin <yebin10@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20210506141042.3298679-1-yebin10@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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| File | Mode | Size |
|---|---|---|
| 80211 | ||
| acpi | ||
| backlight | ||
| cxl | ||
| dmaengine | ||
| driver-model | ||
| early-userspace | ||
| firmware | ||
| fpga | ||
| gpio | ||
| i3c | ||
| iio | ||
| md | ||
| media | ||
| mei | ||
| memory-devices | ||
| mmc | ||
| mtd | ||
| nfc | ||
| nvdimm | ||
| pci | ||
| phy | ||
| pldmfw | ||
| pm | ||
| rapidio | ||
| serial | ||
| soundwire | ||
| surface_aggregator | ||
| thermal | ||
| usb | ||
| xilinx | ||
| auxiliary_bus.rst | -rw-r--r-- | 9.8 KB |
| basics.rst | -rw-r--r-- | 2.0 KB |
| clk.rst | -rw-r--r-- | 12.2 KB |
| component.rst | -rw-r--r-- | 315 bytes |
| connector.rst | -rw-r--r-- | 5.4 KB |
| console.rst | -rw-r--r-- | 5.8 KB |
| dcdbas.rst | -rw-r--r-- | 3.9 KB |
| devfreq.rst | -rw-r--r-- | 852 bytes |
| device-io.rst | -rw-r--r-- | 6.0 KB |
| device_link.rst | -rw-r--r-- | 16.2 KB |
| dma-buf.rst | -rw-r--r-- | 9.1 KB |
| edac.rst | -rw-r--r-- | 6.1 KB |
| eisa.rst | -rw-r--r-- | 7.6 KB |
| firewire.rst | -rw-r--r-- | 1.4 KB |
| frame-buffer.rst | -rw-r--r-- | 2.0 KB |
| generic-counter.rst | -rw-r--r-- | 15.0 KB |
| hsi.rst | -rw-r--r-- | 3.1 KB |
| i2c.rst | -rw-r--r-- | 2.3 KB |
| index.rst | -rw-r--r-- | 1.7 KB |
| infiniband.rst | -rw-r--r-- | 3.0 KB |
| infrastructure.rst | -rw-r--r-- | 1.4 KB |
| input.rst | -rw-r--r-- | 707 bytes |
| interconnect.rst | -rw-r--r-- | 5.2 KB |
| io-mapping.rst | -rw-r--r-- | 3.2 KB |
| io_ordering.rst | -rw-r--r-- | 2.0 KB |
| ioctl.rst | -rw-r--r-- | 10.4 KB |
| ipmb.rst | -rw-r--r-- | 3.5 KB |
| ipmi.rst | -rw-r--r-- | 29.9 KB |
| isa.rst | -rw-r--r-- | 5.1 KB |
| isapnp.rst | -rw-r--r-- | 492 bytes |
| libata.rst | -rw-r--r-- | 38.1 KB |
| lightnvm-pblk.rst | -rw-r--r-- | 788 bytes |
| mailbox.rst | -rw-r--r-- | 4.4 KB |
| men-chameleon-bus.rst | -rw-r--r-- | 6.1 KB |
| message-based.rst | -rw-r--r-- | 217 bytes |
| misc_devices.rst | -rw-r--r-- | 93 bytes |
| miscellaneous.rst | -rw-r--r-- | 1.3 KB |
| mtdnand.rst | -rw-r--r-- | 35.2 KB |
| ntb.rst | -rw-r--r-- | 11.8 KB |
| nvmem.rst | -rw-r--r-- | 6.3 KB |
| parport-lowlevel.rst | -rw-r--r-- | 37.1 KB |
| pinctl.rst | -rw-r--r-- | 50.3 KB |
| pps.rst | -rw-r--r-- | 8.4 KB |
| ptp.rst | -rw-r--r-- | 4.4 KB |
| pwm.rst | -rw-r--r-- | 6.5 KB |
| regulator.rst | -rw-r--r-- | 5.9 KB |
| reset.rst | -rw-r--r-- | 8.3 KB |
| rfkill.rst | -rw-r--r-- | 5.0 KB |
| s390-drivers.rst | -rw-r--r-- | 4.4 KB |
| scsi.rst | -rw-r--r-- | 9.4 KB |
| slimbus.rst | -rw-r--r-- | 5.3 KB |
| sm501.rst | -rw-r--r-- | 2.8 KB |
| spi.rst | -rw-r--r-- | 2.7 KB |
| switchtec.rst | -rw-r--r-- | 4.0 KB |
| sync_file.rst | -rw-r--r-- | 3.1 KB |
| target.rst | -rw-r--r-- | 1.0 KB |
| uio-howto.rst | -rw-r--r-- | 29.7 KB |
| vfio-mediated-device.rst | -rw-r--r-- | 14.6 KB |
| vfio.rst | -rw-r--r-- | 21.2 KB |
| vme.rst | -rw-r--r-- | 10.4 KB |
| w1.rst | -rw-r--r-- | 1.1 KB |
| xillybus.rst | -rw-r--r-- | 17.6 KB |
| zorro.rst | -rw-r--r-- | 2.9 KB |
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