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Diffstat (limited to 'libglusterfs/src/inode.h')
| -rw-r--r-- | libglusterfs/src/inode.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/libglusterfs/src/inode.h b/libglusterfs/src/inode.h deleted file mode 100644 index cf766a31bc6..00000000000 --- a/libglusterfs/src/inode.h +++ /dev/null @@ -1,207 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef _INODE_H -#define _INODE_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <stdint.h> -#include <sys/types.h> - -#define DEFAULT_INODE_MEMPOOL_ENTRIES 32 * 1024 -#define INODE_PATH_FMT "<gfid:%s>" -struct _inode_table; -typedef struct _inode_table inode_table_t; - -struct _inode; -typedef struct _inode inode_t; - -struct _dentry; -typedef struct _dentry dentry_t; - -#include "list.h" -#include "xlator.h" -#include "iatt.h" -#include "uuid.h" - - -struct _inode_table { - pthread_mutex_t lock; - size_t hashsize; /* bucket size of inode hash and dentry hash */ - char *name; /* name of the inode table, just for gf_log() */ - inode_t *root; /* root directory inode, with number 1 */ - xlator_t *xl; /* xlator to be called to do purge */ - uint32_t lru_limit; /* maximum LRU cache size */ - struct list_head *inode_hash; /* buckets for inode hash table */ - struct list_head *name_hash; /* buckets for dentry hash table */ - struct list_head active; /* list of inodes currently active (in an fop) */ - uint32_t active_size; /* count of inodes in active list */ - struct list_head lru; /* list of inodes recently used. - lru.next most recent */ - uint32_t lru_size; /* count of inodes in lru list */ - struct list_head purge; /* list of inodes to be purged soon */ - uint32_t purge_size; /* count of inodes in purge list */ - - struct mem_pool *inode_pool; /* memory pool for inodes */ - struct mem_pool *dentry_pool; /* memory pool for dentrys */ - struct mem_pool *fd_mem_pool; /* memory pool for fd_t */ - int ctxcount; /* number of slots in inode->ctx */ -}; - - -struct _dentry { - struct list_head inode_list; /* list of dentries of inode */ - struct list_head hash; /* hash table pointers */ - inode_t *inode; /* inode of this directory entry */ - char *name; /* name of the directory entry */ - inode_t *parent; /* directory of the entry */ -}; - -struct _inode_ctx { - union { - uint64_t key; - xlator_t *xl_key; - }; - union { - uint64_t value1; - void *ptr1; - }; - union { - uint64_t value2; - void *ptr2; - }; -}; - -struct _inode { - inode_table_t *table; /* the table this inode belongs to */ - uuid_t gfid; - gf_lock_t lock; - uint64_t nlookup; - uint32_t fd_count; /* Open fd count */ - uint32_t ref; /* reference count on this inode */ - ia_type_t ia_type; /* what kind of file */ - struct list_head fd_list; /* list of open files on this inode */ - struct list_head dentry_list; /* list of directory entries for this inode */ - struct list_head hash; /* hash table pointers */ - struct list_head list; /* active/lru/purge */ - - struct _inode_ctx *_ctx; /* replacement for dict_t *(inode->ctx) */ -}; - - -#define UUID0_STR "00000000-0000-0000-0000-000000000000" -#define GFID_STR_PFX "<gfid:" UUID0_STR ">" -#define GFID_STR_PFX_LEN (sizeof (GFID_STR_PFX) - 1) - -inode_table_t * -inode_table_new (size_t lru_limit, xlator_t *xl); - -inode_t * -inode_new (inode_table_t *table); - -inode_t * -inode_link (inode_t *inode, inode_t *parent, - const char *name, struct iatt *stbuf); - -void -inode_unlink (inode_t *inode, inode_t *parent, const char *name); - -inode_t * -inode_parent (inode_t *inode, uuid_t pargfid, const char *name); - -inode_t * -inode_ref (inode_t *inode); - -inode_t * -inode_unref (inode_t *inode); - -int -inode_lookup (inode_t *inode); - -int -inode_forget (inode_t *inode, uint64_t nlookup); - -int -inode_invalidate(inode_t *inode); - -int -inode_rename (inode_table_t *table, inode_t *olddir, const char *oldname, - inode_t *newdir, const char *newname, - inode_t *inode, struct iatt *stbuf); - -inode_t * -inode_grep (inode_table_t *table, inode_t *parent, const char *name); - -int -inode_grep_for_gfid (inode_table_t *table, inode_t *parent, const char *name, - uuid_t gfid, ia_type_t *type); - -inode_t * -inode_find (inode_table_t *table, uuid_t gfid); - -int -inode_path (inode_t *inode, const char *name, char **bufp); - -int -__inode_path (inode_t *inode, const char *name, char **bufp); - -inode_t * -inode_from_path (inode_table_t *table, const char *path); - -int -inode_ctx_set2 (inode_t *inode, xlator_t *xlator, uint64_t *value1, - uint64_t *value2); -int -__inode_ctx_set2 (inode_t *inode, xlator_t *xlator, uint64_t *value1, - uint64_t *value2); - -int -inode_ctx_get2 (inode_t *inode, xlator_t *xlator, uint64_t *value1, - uint64_t *value2); -int -__inode_ctx_get2 (inode_t *inode, xlator_t *xlator, uint64_t *value1, - uint64_t *value2); - -int -inode_ctx_del2 (inode_t *inode, xlator_t *xlator, uint64_t *value1, - uint64_t *value2); - -inode_t * -inode_resolve (inode_table_t *table, char *path); - -#define __inode_ctx_set(i,x,v_p) __inode_ctx_set2(i,x,v_p,0) -#define inode_ctx_set(i,x,v_p) inode_ctx_set2(i,x,v_p,0) - -static inline int -__inode_ctx_put(inode_t *inode, xlator_t *this, uint64_t v) -{ - return __inode_ctx_set2 (inode, this, &v, 0); -} - -static inline int -inode_ctx_put(inode_t *inode, xlator_t *this, uint64_t v) -{ - return inode_ctx_set2(inode, this, &v, 0); -} - -#define __inode_ctx_get(i,x,v) __inode_ctx_get2(i,x,v,0) -#define inode_ctx_get(i,x,v) inode_ctx_get2(i,x,v,0) - -#define inode_ctx_del(i,x,v) inode_ctx_del2(i,x,v,0) - - -gf_boolean_t -__is_root_gfid (uuid_t gfid); - -#endif /* _INODE_H */ |