diff options
Diffstat (limited to 'src/H5PB.c')
| -rw-r--r-- | src/H5PB.c | 57 |
1 files changed, 53 insertions, 4 deletions
@@ -113,6 +113,9 @@ static herr_t H5PB__write_meta(H5F_shared_t *, H5FD_mem_t, haddr_t, static herr_t H5PB__write_raw(H5F_shared_t *, H5FD_mem_t, haddr_t, size_t, const void *); +static void metadata_section_split(size_t, haddr_t, size_t, const void *, + metadata_section_t *); + static herr_t metadata_multipart_read(H5F_shared_t *, H5FD_mem_t, haddr_t, size_t, void *); @@ -151,6 +154,7 @@ HLOG_OUTLET_SHORT_DEFN(pbio, pagebuffer); HLOG_OUTLET_SHORT_DEFN(pbrd, pbio); HLOG_OUTLET_SHORT_DEFN(pbwr, pbio); HLOG_OUTLET_SHORT_DEFN(lengthen_pbentry, pagebuffer); +HLOG_OUTLET_SHORT_DEFN(pbrm, pagebuffer); /*------------------------------------------------------------------------- @@ -1259,6 +1263,51 @@ done: } /* H5PB_remove_entry */ +herr_t +H5PB_remove_entries(H5F_shared_t *shared, haddr_t addr, hsize_t size) +{ + H5PB_t *pb_ptr; + H5PB_entry_t *entry_ptr; + herr_t ret_value = SUCCEED; + metadata_section_t section[3] = {{0, 0, NULL}, {0, 0, NULL}, {0, 0, NULL}}; + int i; + + FUNC_ENTER_NOAPI(FAIL) + + pb_ptr = shared->pb_ptr; + + HDassert(addr % pb_ptr->page_size == 0); + + if (size > pb_ptr->page_size) { + hlog_fast(pbrm, + "removing multipage region [%" PRIuHADDR ", %" PRIuHADDR ")", + addr, addr + size); + } + + metadata_section_split(pb_ptr->page_size, addr, size, NULL, section); + + for (i = 0; i < 3; i++) { + metadata_section_t *iter = §ion[i]; + + if (iter->len == 0) + continue; + + if (iter->len < size) { + hlog_fast(pbrm, "removing entry [%" PRIuHADDR ", %" PRIuHADDR ") " + "for split region [%" PRIuHADDR ", %" PRIuHADDR ")", + iter->addr, iter->addr + iter->len, addr, addr + size); + } + + assert(iter->addr % pb_ptr->page_size == 0); + + if (H5PB_remove_entry(shared, iter->addr) < 0) + HGOTO_ERROR(H5E_PAGEBUF, H5E_SYSTEM, FAIL, "forced eviction failed") + } + +done: + FUNC_LEAVE_NOAPI(ret_value) +} + /*------------------------------------------------------------------------- * @@ -3014,7 +3063,7 @@ metadata_section_split(size_t pgsz, haddr_t addr, size_t len, const void *_buf, * `head` and before the beginning of `tail`. */ if (whole_pgaddr < tail_pgaddr) { - middle->buf = &buf[whole_pgaddr - addr]; + middle->buf = (buf == NULL) ? NULL : &buf[whole_pgaddr - addr]; middle->len = tail_pgaddr - whole_pgaddr; middle->addr = whole_pgaddr; } @@ -3022,16 +3071,16 @@ metadata_section_split(size_t pgsz, haddr_t addr, size_t len, const void *_buf, /* `tail` spans residual bytes that follow the last page boundary. */ if (tail_pgaddr < addr + len) { tail->len = (addr + len) - tail_pgaddr; - tail->buf = &buf[tail_pgaddr - addr]; + tail->buf = (buf == NULL) ? NULL : &buf[tail_pgaddr - addr]; tail->addr = tail_pgaddr; } for (i = 0; i < 3; i++) { metadata_section_t *iter = §ion[i]; - if (iter->buf == NULL) + if (iter->len == 0) continue; assert(iter->addr == addr + totlen); - assert(iter->buf == &buf[totlen]); + assert(iter->buf == ((buf == NULL) ? NULL : &buf[totlen])); // assert(i == 0 || iter[-1].buf + iter[-1].len == iter->buf); totlen += iter->len; } |