diff options
| author | Anand V. Avati <avati@blackhole.gluster.com> | 2010-09-29 00:28:07 +0000 |
|---|---|---|
| committer | Vijay Bellur <vijay@dev.gluster.com> | 2010-09-29 01:43:24 -0700 |
| commit | aee339605337916aaa1e38a0e9ed2422f0f0dcfb (patch) | |
| tree | a667cceff6b38226cc1cc3f03a1d1c78daeb9414 /xlators/cluster/afr/src/afr.h | |
| parent | 25e4eefc40de8fc47260c1d8209679269686c162 (diff) | |
replicate: replace first-write-to-flush optimization
use a changelog piggybacking optimization instead of first-write-to-flush
optimization and do other cleanups (removal of post-post-op hook etc.)
Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
BUG: 1235 (Bug for all pump/migrate commits)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1235
Diffstat (limited to 'xlators/cluster/afr/src/afr.h')
| -rw-r--r-- | xlators/cluster/afr/src/afr.h | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h index db762c11e..749264a8d 100644 --- a/xlators/cluster/afr/src/afr.h +++ b/xlators/cluster/afr/src/afr.h @@ -174,7 +174,6 @@ typedef enum { AFR_METADATA_TRANSACTION, /* chmod, chown, ... */ AFR_ENTRY_TRANSACTION, /* create, rmdir, ... */ AFR_ENTRY_RENAME_TRANSACTION, /* rename */ - AFR_FLUSH_TRANSACTION, /* flush */ } afr_transaction_type; typedef enum { @@ -217,7 +216,6 @@ afr_index_for_transaction_type (afr_transaction_type type) switch (type) { case AFR_DATA_TRANSACTION: - case AFR_FLUSH_TRANSACTION: return 0; case AFR_METADATA_TRANSACTION: @@ -232,11 +230,6 @@ afr_index_for_transaction_type (afr_transaction_type type) } -typedef enum { - AFR_CHILD_UP_FLUSH, - AFR_CHILD_DOWN_FLUSH, -} afr_flush_type; - typedef struct { loc_t *lk_loc; struct flock lk_flock; @@ -309,7 +302,7 @@ typedef struct _afr_local { dict_t *dict; - int (*up_down_flush_cbk) (call_frame_t *, xlator_t *); + int (*openfd_flush_cbk) (call_frame_t *frame, xlator_t *this); /* This struct contains the arguments for the "continuation" @@ -606,7 +599,6 @@ typedef struct _afr_local { int (*unwind) (call_frame_t *frame, xlator_t *this); /* post-op hook */ - int (*post_post_op) (call_frame_t *frame, xlator_t *this); } transaction; afr_self_heal_t self_heal; @@ -614,15 +606,17 @@ typedef struct _afr_local { typedef struct { - unsigned char *pre_op_done; - unsigned char *opened_on; /* which subvolumes the fd is open on */ - unsigned char *child_failed; + unsigned int *pre_op_done; + unsigned int *opened_on; /* which subvolumes the fd is open on */ + unsigned int *pre_op_piggyback; int flags; int32_t wbflags; uint64_t up_count; /* number of CHILD_UPs this fd has seen */ uint64_t down_count; /* number of CHILD_DOWNs this fd has seen */ int32_t last_tried; + + int hit, miss; gf_boolean_t failed_over; struct list_head entries; /* needed for readdir failover */ } afr_fd_ctx_t; @@ -729,9 +723,6 @@ int afr_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, fd_t *fd, int32_t wbflags); -int -afr_up_down_flush (call_frame_t *frame, xlator_t *this, fd_t *fd, afr_flush_type type); - void afr_set_opendir_done (xlator_t *this, inode_t *inode); @@ -744,6 +735,9 @@ afr_local_transaction_cleanup (afr_local_t *local, xlator_t *this); int afr_cleanup_fd_ctx (xlator_t *this, fd_t *fd); +int +afr_openfd_flush (call_frame_t *frame, xlator_t *this, fd_t *fd); + #define AFR_STACK_UNWIND(fop, frame, params ...) \ do { \ afr_local_t *__local = NULL; \ |