随笔分类 -  fs

摘要：page cache 往bdi_writeback的b_dirty链表上插入node（inode.i_io_list） __set_page_dirty_nobuffers()里调用__mark_inode_dirty(I_DIRTY_PAGES)，这个函数里将此inode的i_state或上I_D 阅读全文

摘要：ext4 fs 关于ext4文件系统概述 https://www.cnblogs.com/eflypro/p/14075188.html 阅读全文

摘要：sdcardfs sdcardfs_read() call flow [ 70.421020] CPU: 0 PID: 4007 Comm: Binder:2841_2 Tainted: P O 4.19.116+ #21 [ 70.429301] Hardware name: xxx (DT) [ 阅读全文

摘要：ext4 mount options fs/ext4/super.c static const struct mount_opts { int token; int mount_opt; int flags; } ext4_mount_opts[] = { {Opt_minix_df, EXT4_M 阅读全文