Re: [f2fs-dev] [PATCH] f2fs: let's avoid panic if extent_tree is not created

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@xxxxxxxxxx>:

On Thu, 22 Dec 2022 15:54:58 -0800 you wrote:
> This patch avoids the below panic.
> 
> pc : __lookup_extent_tree+0xd8/0x760
> lr : f2fs_do_write_data_page+0x104/0x87c
> sp : ffffffc010cbb3c0
> x29: ffffffc010cbb3e0 x28: 0000000000000000
> x27: ffffff8803e7f020 x26: ffffff8803e7ed40
> x25: ffffff8803e7f020 x24: ffffffc010cbb460
> x23: ffffffc010cbb480 x22: 0000000000000000
> x21: 0000000000000000 x20: ffffffff22e90900
> x19: 0000000000000000 x18: ffffffc010c5d080
> x17: 0000000000000000 x16: 0000000000000020
> x15: ffffffdb1acdbb88 x14: ffffff888759e2b0
> x13: 0000000000000000 x12: ffffff802da49000
> x11: 000000000a001200 x10: ffffff8803e7ed40
> x9 : ffffff8023195800 x8 : ffffff802da49078
> x7 : 0000000000000001 x6 : 0000000000000000
> x5 : 0000000000000006 x4 : ffffffc010cbba28
> x3 : 0000000000000000 x2 : ffffffc010cbb480
> x1 : 0000000000000000 x0 : ffffff8803e7ed40
> Call trace:
>  __lookup_extent_tree+0xd8/0x760
>  f2fs_do_write_data_page+0x104/0x87c
>  f2fs_write_single_data_page+0x420/0xb60
>  f2fs_write_cache_pages+0x418/0xb1c
>  __f2fs_write_data_pages+0x428/0x58c
>  f2fs_write_data_pages+0x30/0x40
>  do_writepages+0x88/0x190
>  __writeback_single_inode+0x48/0x448
>  writeback_sb_inodes+0x468/0x9e8
>  __writeback_inodes_wb+0xb8/0x2a4
>  wb_writeback+0x33c/0x740
>  wb_do_writeback+0x2b4/0x400
>  wb_workfn+0xe4/0x34c
>  process_one_work+0x24c/0x5bc
>  worker_thread+0x3e8/0xa50
>  kthread+0x150/0x1b4
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: let's avoid panic if extent_tree is not created
    https://git.kernel.org/jaegeux/f2fs/c/df9d44b645b8

You are awesome, thank you!
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