Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * JFFS2 -- Journalling Flash File System, Version 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright © 2001-2007 Red Hat, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Created by David Woodhouse <dwmw2@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * For licensing information, see the file 'LICENCE' in this directory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #ifndef _JFFS2_FS_I
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define _JFFS2_FS_I
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/rbtree.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/posix_acl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct jffs2_inode_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	/* We need an internal mutex similar to inode->i_mutex.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	   Unfortunately, we can't used the existing one, because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	   either the GC would deadlock, or we'd have to release it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	   before letting GC proceed. Or we'd have to put ugliness
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	   into the GC code so it didn't attempt to obtain the i_mutex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	   for the inode(s) which are already locked */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	struct mutex sem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	/* The highest (datanode) version number used for this ino */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	uint32_t highest_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	/* List of data fragments which make up the file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct rb_root fragtree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	/* There may be one datanode which isn't referenced by any of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	   above fragments, if it contains a metadata update but no actual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	   data - or if this is a directory inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	/* This also holds the _only_ dnode for symlinks/device nodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	   etc. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	struct jffs2_full_dnode *metadata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	/* Directory entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	struct jffs2_full_dirent *dents;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	/* The target path if this is the inode of a symlink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	unsigned char *target;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	/* Some stuff we just have to keep in-core at all times, for each inode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	struct jffs2_inode_cache *inocache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	uint16_t flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	uint8_t usercompr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	struct inode vfs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #endif /* _JFFS2_FS_I */