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aa51d08a11
f2fs_sync_fs() -> write_checkpoint() calls stat_inc_cp_count(sbi->stat_info), which needs stat_info allocation. Otherwise, we can hit: [254042.598623] ? count_shadow_nodes+0xa0/0xa0 [254042.598633] f2fs_sync_fs+0x65/0xd0 [f2fs] [254042.598645] f2fs_balance_fs_bg+0xe4/0x1c0 [f2fs] [254042.598657] f2fs_write_node_pages+0x34/0x1a0 [f2fs] [254042.598664] ? pagevec_lookup_entries+0x1e/0x30 [254042.598673] do_writepages+0x1e/0x30 [254042.598682] __writeback_single_inode+0x45/0x330 [254042.598688] writeback_single_inode+0xd7/0x190 [254042.598694] write_inode_now+0x86/0xa0 [254042.598699] iput+0x122/0x200 [254042.598709] f2fs_fill_super+0xd4a/0x14d0 [f2fs] [254042.598717] mount_bdev+0x184/0x1c0 [254042.598934] ? f2fs_commit_super+0x100/0x100 [f2fs] [254042.599142] f2fs_mount+0x15/0x20 [f2fs] [254042.599349] mount_fs+0x39/0x160 [254042.599554] ? __alloc_percpu+0x15/0x20 [254042.599759] vfs_kern_mount+0x67/0x110 [254042.599972] do_mount+0x1bb/0xc80 [254042.600175] ? memdup_user+0x42/0x60 [254042.600380] SyS_mount+0x83/0xd0 [254042.600583] entry_SYSCALL_64_fastpath+0x1e/0xad Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.