diff options
| author | Raghavendra G <raghavendra@gluster.com> | 2009-09-10 07:41:14 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2009-09-13 22:10:38 -0700 |
| commit | 62d30db76e118cb244c35b6acc15005474d77750 (patch) | |
| tree | 6a8eac18e3c1d9d81c624a97b11d19ee3a1388fa /xlators/performance/stat-prefetch/src/stat-prefetch.h | |
| parent | dd149ca8e7757e6e935c6481be8fd4fee9d13790 (diff) | |
backport stat-prefetch from 2.1
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 257 (Backport stat-prefetch to 2.0)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=257
Diffstat (limited to 'xlators/performance/stat-prefetch/src/stat-prefetch.h')
| -rw-r--r-- | xlators/performance/stat-prefetch/src/stat-prefetch.h | 57 |
1 files changed, 51 insertions, 6 deletions
diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.h b/xlators/performance/stat-prefetch/src/stat-prefetch.h index ef82952b0..05c5d4361 100644 --- a/xlators/performance/stat-prefetch/src/stat-prefetch.h +++ b/xlators/performance/stat-prefetch/src/stat-prefetch.h @@ -1,5 +1,5 @@ /* - Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.com> + Copyright (c) 2009-2010 Z RESEARCH, Inc. <http://www.zresearch.com> This file is part of GlusterFS. GlusterFS is free software; you can redistribute it and/or modify @@ -17,16 +17,61 @@ <http://www.gnu.org/licenses/>. */ -#ifndef _STAT_PREFETCH_H_ -#define _STAT_PREFETCH_H_ +#ifndef _STAT_PREFETCH_H +#define _STAT_PREFETCH_H #ifndef _CONFIG_H #define _CONFIG_H #include "config.h" #endif -#include <stdio.h> -#include <sys/time.h> +#include "glusterfs.h" +#include "dict.h" #include "xlator.h" -#endif /* _STAT_PREFETCH_H_ */ +struct sp_cache { + gf_dirent_t entries; /* Head of list of cached dirents */ + uint64_t expected_offset; /* Offset where the next read will + * happen. + */ + gf_lock_t lock; +}; +typedef struct sp_cache sp_cache_t; + +struct sp_fd_ctx { + sp_cache_t *cache; + inode_t *parent_inode; /* + * inode corresponding to dirname (path) + */ + char *name; /* + * basename of path on which this fd is + * opened + */ + gf_lock_t lock; +}; +typedef struct sp_fd_ctx sp_fd_ctx_t; + +struct sp_local { + loc_t loc; + fd_t *fd; +}; +typedef struct sp_local sp_local_t; + + +void sp_local_free (sp_local_t *local); + +#define SP_STACK_UNWIND(frame, params ...) do { \ + sp_local_t *__local = frame->local; \ + frame->local = NULL; \ + STACK_UNWIND (frame, params); \ + sp_local_free (__local); \ +} while (0) + +#define SP_STACK_DESTROY(frame) do { \ + sp_local_t *__local = frame->local; \ + frame->local = NULL; \ + STACK_DESTROY (frame->root); \ + sp_local_free (__local); \ +} while (0) + +#endif /* #ifndef _STAT_PREFETCH_H */ |