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56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* JFFS2 -- Journalling Flash File System, Version 2.
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*
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* Copyright © 2001-2007 Red Hat, Inc.
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*
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* Created by David Woodhouse <dwmw2@infradead.org>
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*
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* For licensing information, see the file 'LICENCE' in this directory.
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*
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*/
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#ifndef _JFFS2_FS_I
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#define _JFFS2_FS_I
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#include <linux/rbtree.h>
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#include <linux/posix_acl.h>
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#include <linux/mutex.h>
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struct jffs2_inode_info {
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/* We need an internal mutex similar to inode->i_mutex.
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Unfortunately, we can't used the existing one, because
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either the GC would deadlock, or we'd have to release it
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before letting GC proceed. Or we'd have to put ugliness
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into the GC code so it didn't attempt to obtain the i_mutex
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for the inode(s) which are already locked */
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struct mutex sem;
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/* The highest (datanode) version number used for this ino */
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uint32_t highest_version;
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/* List of data fragments which make up the file */
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struct rb_root fragtree;
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/* There may be one datanode which isn't referenced by any of the
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above fragments, if it contains a metadata update but no actual
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data - or if this is a directory inode */
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/* This also holds the _only_ dnode for symlinks/device nodes,
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etc. */
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struct jffs2_full_dnode *metadata;
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/* Directory entries */
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struct jffs2_full_dirent *dents;
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/* The target path if this is the inode of a symlink */
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unsigned char *target;
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/* Some stuff we just have to keep in-core at all times, for each inode. */
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struct jffs2_inode_cache *inocache;
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uint16_t flags;
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uint8_t usercompr;
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struct inode vfs_inode;
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};
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#endif /* _JFFS2_FS_I */
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