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1b1dcc1b57
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 $ */
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#ifndef _JFFS2_FS_I
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#define _JFFS2_FS_I
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#include <linux/version.h>
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#include <linux/rbtree.h>
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#include <asm/semaphore.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 semaphore 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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#if !defined (__ECOS)
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#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
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struct inode vfs_inode;
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#endif
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#endif
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};
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#endif /* _JFFS2_FS_I */
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