Re: [f2fs-dev] [PATCH v2 1/2] f2fs: quota: do not use GFP_NOFS in f2fs_quota_read()
patchwork-bot+f2fs--- via Linux-f2fs-devel <[email protected]> Tue, 14 Jul 2026 03:00:05 +0000
| Newsgroups | net.sourceforge.lists.linux-f2fs-devel,org.kernel.vger.linux-kernel |
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| Message-ID | <178399800589.2939750.3339446022508241105.git-patchwork-notify@kernel.org> |
Hello: This series was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim <[email protected]>: On Tue, 7 Jul 2026 19:39:33 +0800 you wrote: > Commit 02117b8ae9c0 ("f2fs: Set GF_NOFS in read_cache_page_gfp while doing > f2fs_quota_read") adds GFP_NOFS in f2fs_quota_read() to avoid below deadlock: > > - do_sys_open > - vfs_open > - dquot_file_open > - dquot_initialize > - dqget > - dquot_acquire > : locks &dqopt->dqio_mutex (VFS Quota Mutex) > - qtree_read_dquot > - f2fs_quota_read > - read_mapping_page (GFP_KERNEL / allows GFP_FS) > - __alloc_pages_nodemask > - try_to_free_pages (Direct Reclaim) > - prune_icache_sb > - evict > - f2fs_evict_inode > - dquot_drop > - dqput > - dquot_commit > : tries to lock &dqopt->dqio_mutex again > ==> DEADLOCK (waiting for itself) > > [...] Here is the summary with links: - [f2fs-dev,v2,1/2] f2fs: quota: do not use GFP_NOFS in f2fs_quota_read() https://git.kernel.org/jaegeuk/f2fs/c/9f3a37815818 - [f2fs-dev,v2,2/2] f2fs: drop FGP_NOFS in f2fs_write_begin() https://git.kernel.org/jaegeuk/f2fs/c/6e7205a702e2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel