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-rw-r--r--xlators/cluster/afr/src/afr.h186
1 files changed, 133 insertions, 53 deletions
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 387ed12ec..21064db58 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -28,8 +28,10 @@
#define AFR_XATTR_PREFIX "trusted.afr"
#define AFR_PATHINFO_HEADER "REPLICATE:"
#define AFR_SH_READDIR_SIZE_KEY "self-heal-readdir-size"
+#define AFR_SH_DATA_DOMAIN_FMT "%s:self-heal"
#define AFR_LOCKEE_COUNT_MAX 3
+#define AFR_DOM_COUNT_MAX 3
struct _pump_private;
@@ -86,26 +88,30 @@ typedef struct afr_inode_ctx_ {
int32_t *fresh_children;//increasing order of latency
afr_spb_state_t mdata_spb;
afr_spb_state_t data_spb;
+ uint32_t open_fd_count;
} afr_inode_ctx_t;
typedef enum {
NONE,
INDEX,
+ INDEX_TO_BE_HEALED,
FULL,
} afr_crawl_type_t;
typedef struct afr_self_heald_ {
- gf_boolean_t enabled;
- gf_boolean_t iamshd;
- afr_crawl_type_t *pending;
- gf_boolean_t *inprogress;
- afr_child_pos_t *pos;
- gf_timer_t **timer;
- eh_t *healed;
- eh_t *heal_failed;
- eh_t *split_brain;
- char *node_uuid;
- int timeout;
+ gf_boolean_t enabled;
+ gf_boolean_t iamshd;
+ afr_crawl_type_t *pending;
+ gf_boolean_t *inprogress;
+ afr_child_pos_t *pos;
+ gf_timer_t **timer;
+ eh_t *healed;
+ eh_t *heal_failed;
+ eh_t *split_brain;
+ eh_t **statistics;
+ void **crawl_events;
+ char *node_uuid;
+ int timeout;
} afr_self_heald_t;
typedef struct _afr_private {
@@ -170,9 +176,38 @@ typedef struct _afr_private {
gf_boolean_t did_discovery;
gf_boolean_t readdir_failover;
uint64_t sh_readdir_size;
+ gf_boolean_t ensure_durability;
+ char *sh_domain;
} afr_private_t;
+typedef enum {
+ AFR_SELF_HEAL_NOT_ATTEMPTED,
+ AFR_SELF_HEAL_STARTED,
+ AFR_SELF_HEAL_FAILED,
+ AFR_SELF_HEAL_SYNC_BEGIN,
+} afr_self_heal_status;
+
typedef struct {
+ afr_self_heal_status gfid_or_missing_entry_self_heal;
+ afr_self_heal_status metadata_self_heal;
+ afr_self_heal_status data_self_heal;
+ afr_self_heal_status entry_self_heal;
+} afr_sh_status_for_all_type;
+
+typedef enum {
+ AFR_SELF_HEAL_ENTRY,
+ AFR_SELF_HEAL_METADATA,
+ AFR_SELF_HEAL_DATA,
+ AFR_SELF_HEAL_GFID_OR_MISSING_ENTRY,
+ AFR_SELF_HEAL_INVALID = -1,
+} afr_self_heal_type;
+
+typedef enum {
+ AFR_CHECK_ALL,
+ AFR_CHECK_SPECIFIC,
+} afr_sh_fail_check_type;
+
+struct afr_self_heal_ {
/* External interface: These are variables (some optional) that
are set by whoever has triggered self-heal */
@@ -249,10 +284,10 @@ typedef struct {
const char *linkname;
gf_boolean_t entries_skipped;
- int op_failed;
gf_boolean_t actual_sh_started;
gf_boolean_t sync_done;
gf_boolean_t data_lock_held;
+ gf_boolean_t sh_dom_lock_held;
gf_boolean_t eof_reached;
fd_t *healing_fd;
int file_has_holes;
@@ -263,13 +298,17 @@ typedef struct {
uint8_t *checksum;
afr_post_remove_call_t post_remove_call;
- loc_t parent_loc;
+ char *data_sh_info;
+ char *metadata_sh_info;
+ loc_t parent_loc;
call_frame_t *orig_frame;
call_frame_t *old_loop_frame;
gf_boolean_t unwound;
afr_sh_algo_private_t *private;
+ afr_sh_status_for_all_type afr_all_sh_status;
+ afr_self_heal_type sh_type_in_action;
struct afr_sh_algorithm *algo;
afr_lock_cbk_t data_lock_success_handler;
@@ -282,7 +321,9 @@ typedef struct {
void (*gfid_sh_success_cbk) (call_frame_t *sh_frame, xlator_t *this);
call_frame_t *sh_frame;
-} afr_self_heal_t;
+};
+
+typedef struct afr_self_heal_ afr_self_heal_t;
typedef enum {
AFR_DATA_TRANSACTION, /* truncate, write, ... */
@@ -356,12 +397,19 @@ int
afr_entry_lockee_cmp (const void *l1, const void *l2);
typedef struct {
+ char *domain; /* Domain on which inodelk is taken */
+ struct gf_flock flock;
+ unsigned char *locked_nodes;
+ int32_t lock_count;
+} afr_inodelk_t;
+
+typedef struct {
loc_t *lk_loc;
- struct gf_flock lk_flock;
int lockee_count;
afr_entry_lockee_t lockee[AFR_LOCKEE_COUNT_MAX];
+ afr_inodelk_t inodelk[AFR_DOM_COUNT_MAX];
const char *lk_basename;
const char *lower_basename;
const char *higher_basename;
@@ -370,13 +418,11 @@ typedef struct {
unsigned char *locked_nodes;
unsigned char *lower_locked_nodes;
- unsigned char *inode_locked_nodes;
selfheal_lk_type_t selfheal_lk_type;
transaction_lk_type_t transaction_lk_type;
int32_t lock_count;
- int32_t inodelk_lock_count;
int32_t entrylk_lock_count;
uint64_t lock_number;
@@ -387,6 +433,7 @@ typedef struct {
int32_t lock_op_ret;
int32_t lock_op_errno;
afr_lock_cbk_t lock_cbk;
+ char *domain; /* Domain on which inode/entry lock/unlock in progress.*/
} afr_internal_lock_t;
typedef struct _afr_locked_fd {
@@ -406,9 +453,11 @@ typedef struct _afr_local {
unsigned int call_count;
unsigned int success_count;
unsigned int enoent_count;
+ uint32_t open_fd_count;
+ gf_boolean_t update_open_fd_count;
- unsigned int govinda_gOvinda;
+ unsigned int unhealable;
unsigned int read_child_index;
unsigned char read_child_returned;
@@ -448,15 +497,23 @@ typedef struct _afr_local {
int optimistic_change_log;
gf_boolean_t delayed_post_op;
+
/* Is the current writev() going to perform a stable write?
i.e, is fd->flags or @flags writev param have O_SYNC or
O_DSYNC?
*/
- gf_boolean_t stable_write;
+ gf_boolean_t stable_write;
- /*
- This struct contains the arguments for the "continuation"
- (scheme-like) of fops
+ /* This write appended to the file. Nnot necessarily O_APPEND,
+ just means the offset of write was at the end of file.
+ */
+ gf_boolean_t append_write;
+
+ int allow_sh_for_running_transaction;
+
+
+ /* This struct contains the arguments for the "continuation"
+ (scheme-like) of fops
*/
int op;
@@ -552,7 +609,9 @@ typedef struct _afr_local {
struct {
struct iatt prebuf;
struct iatt postbuf;
+ } inode_wfop; //common structure for all inode-write-fops
+ struct {
int32_t op_ret;
struct iovec *vector;
@@ -563,34 +622,21 @@ typedef struct _afr_local {
} writev;
struct {
- struct iatt prebuf;
- struct iatt postbuf;
- } fsync;
-
- struct {
off_t offset;
- struct iatt prebuf;
- struct iatt postbuf;
} truncate;
struct {
off_t offset;
- struct iatt prebuf;
- struct iatt postbuf;
} ftruncate;
struct {
struct iatt in_buf;
int32_t valid;
- struct iatt preop_buf;
- struct iatt postop_buf;
} setattr;
struct {
struct iatt in_buf;
int32_t valid;
- struct iatt preop_buf;
- struct iatt postop_buf;
} fsetattr;
struct {
@@ -652,6 +698,26 @@ typedef struct _afr_local {
dict_t *params;
char *linkpath;
} symlink;
+
+ struct {
+ int32_t mode;
+ off_t offset;
+ size_t len;
+ } fallocate;
+
+ struct {
+ off_t offset;
+ size_t len;
+ } discard;
+
+ struct {
+ off_t offset;
+ size_t len;
+ struct iatt prebuf;
+ struct iatt postbuf;
+ } zerofill;
+
+
} cont;
struct {
@@ -824,8 +890,8 @@ afr_blocking_lock (call_frame_t *frame, xlator_t *this);
int
afr_internal_lock_finish (call_frame_t *frame, xlator_t *this);
-void
-afr_lk_transfer_datalock (call_frame_t *dst, call_frame_t *src,
+int
+afr_lk_transfer_datalock (call_frame_t *dst, call_frame_t *src, char *dom,
unsigned int child_count);
int pump_start (call_frame_t *frame, xlator_t *this);
@@ -927,22 +993,6 @@ afr_launch_openfd_self_heal (call_frame_t *frame, xlator_t *this, fd_t *fd);
} \
} while (0);
-#define AFR_CALL_RESUME(stub) \
- do { \
- afr_local_t *__local = NULL; \
- xlator_t *__this = NULL; \
- \
- __local = stub->frame->local; \
- __this = stub->frame->this; \
- stub->frame->local = NULL; \
- \
- call_resume (stub); \
- if (__local) { \
- afr_local_cleanup (__local, __this); \
- mem_put (__local); \
- } \
- } while (0)
-
#define AFR_NUM_CHANGE_LOGS 3 /*data + metadata + entry*/
/* allocate and return a string that is the basename of argument */
static inline char *
@@ -1120,6 +1170,27 @@ afr_xattr_array_destroy (dict_t **xattr, unsigned int child_count);
} while (0);
+#define AFR_SBRAIN_MSG "Failed on %s as split-brain is seen. Returning EIO."
+
+#define AFR_SBRAIN_CHECK_FD(fd, label) do { \
+ if (fd->inode && afr_is_split_brain (this, fd->inode)) { \
+ op_errno = EIO; \
+ gf_log (this->name, GF_LOG_WARNING, \
+ AFR_SBRAIN_MSG ,uuid_utoa (fd->inode->gfid)); \
+ goto label; \
+ } \
+} while (0)
+
+#define AFR_SBRAIN_CHECK_LOC(loc, label) do { \
+ if (loc->inode && afr_is_split_brain (this, loc->inode)) { \
+ op_errno = EIO; \
+ loc_path (loc, NULL); \
+ gf_log (this->name, GF_LOG_WARNING, \
+ AFR_SBRAIN_MSG , loc->path); \
+ goto label; \
+ } \
+} while (0)
+
int
afr_fd_report_unstable_write (xlator_t *this, fd_t *fd);
@@ -1129,4 +1200,13 @@ afr_fd_has_witnessed_unstable_write (xlator_t *this, fd_t *fd);
void
afr_delayed_changelog_wake_resume (xlator_t *this, fd_t *fd, call_stub_t *stub);
+int
+afr_inodelk_init (afr_inodelk_t *lk, char *dom, size_t child_count);
+
+void
+afr_handle_open_fd_count (call_frame_t *frame, xlator_t *this);
+
+afr_inode_ctx_t*
+afr_inode_ctx_get (inode_t *inode, xlator_t *this);
+
#endif /* __AFR_H__ */
generated by cgit (git 2.34.1) at 2026-01-05 01:25:41 +0000