![Jes Sorensen](/assets/img/avatar_default.png)
This patch converts the inode semaphore to a mutex. I have tested it on XFS and compiled as much as one can consider on an ia64. Anyway your luck with it might be different. Modified-by: Ingo Molnar <mingo@elte.hu> (finished the conversion) Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* $Id: jffs2_fs_i.h,v 1.19 2005/11/07 11:14:52 gleixner Exp $ */
|
|
|
|
#ifndef _JFFS2_FS_I
|
|
#define _JFFS2_FS_I
|
|
|
|
#include <linux/version.h>
|
|
#include <linux/rbtree.h>
|
|
#include <asm/semaphore.h>
|
|
|
|
struct jffs2_inode_info {
|
|
/* We need an internal mutex similar to inode->i_mutex.
|
|
Unfortunately, we can't used the existing one, because
|
|
either the GC would deadlock, or we'd have to release it
|
|
before letting GC proceed. Or we'd have to put ugliness
|
|
into the GC code so it didn't attempt to obtain the i_mutex
|
|
for the inode(s) which are already locked */
|
|
struct semaphore sem;
|
|
|
|
/* The highest (datanode) version number used for this ino */
|
|
uint32_t highest_version;
|
|
|
|
/* List of data fragments which make up the file */
|
|
struct rb_root fragtree;
|
|
|
|
/* There may be one datanode which isn't referenced by any of the
|
|
above fragments, if it contains a metadata update but no actual
|
|
data - or if this is a directory inode */
|
|
/* This also holds the _only_ dnode for symlinks/device nodes,
|
|
etc. */
|
|
struct jffs2_full_dnode *metadata;
|
|
|
|
/* Directory entries */
|
|
struct jffs2_full_dirent *dents;
|
|
|
|
/* The target path if this is the inode of a symlink */
|
|
unsigned char *target;
|
|
|
|
/* Some stuff we just have to keep in-core at all times, for each inode. */
|
|
struct jffs2_inode_cache *inocache;
|
|
|
|
uint16_t flags;
|
|
uint8_t usercompr;
|
|
#if !defined (__ECOS)
|
|
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
|
|
struct inode vfs_inode;
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
#endif /* _JFFS2_FS_I */
|