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| Filename | Latest commit message | Latest commit date |
|---|---|---|
b430f72636
In the call trace below, we might sleep in function dput(). So in order to avoid sleeping under spin_lock, we remove f2fs_mark_inode_dirty_sync from __try_update_largest_extent && __drop_largest_extent. BUG: sleeping function called from invalid context at fs/dcache.c:796 Call trace: dump_backtrace+0x0/0x3f4 show_stack+0x24/0x30 dump_stack+0xe0/0x138 ___might_sleep+0x2a8/0x2c8 __might_sleep+0x78/0x10c dput+0x7c/0x750 block_dump___mark_inode_dirty+0x120/0x17c __mark_inode_dirty+0x344/0x11f0 f2fs_mark_inode_dirty_sync+0x40/0x50 __insert_extent_tree+0x2e0/0x2f4 f2fs_update_extent_tree_range+0xcf4/0xde8 f2fs_update_extent_cache+0x114/0x12c f2fs_update_data_blkaddr+0x40/0x50 write_data_page+0x150/0x314 do_write_data_page+0x648/0x2318 __write_data_page+0xdb4/0x1640 f2fs_write_cache_pages+0x768/0xafc __f2fs_write_data_pages+0x590/0x1218 f2fs_write_data_pages+0x64/0x74 do_writepages+0x74/0xe4 __writeback_single_inode+0xdc/0x15f0 writeback_sb_inodes+0x574/0xc98 __writeback_inodes_wb+0x190/0x204 wb_writeback+0x730/0xf14 wb_check_old_data_flush+0x1bc/0x1c8 wb_workfn+0x554/0xf74 process_one_work+0x440/0x118c worker_thread+0xac/0x974 kthread+0x1a0/0x1c8 ret_from_fork+0x10/0x1c Signed-off-by: Zhikang Zhang <zhangzhikang1@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
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.