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Merge branch 'sg/split-index-racefix'

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The codepath to support the experimental split-index mode had
remaining "racily clean" issues fixed.

* sg/split-index-racefix:
  split-index: BUG() when cache entry refers to non-existing shared entry
  split-index: smudge and add racily clean cache entries to split index
  split-index: don't compare cached data of entries already marked for split index
  split-index: count the number of deleted entries
  t1700-split-index: date back files to avoid racy situations
  split-index: add tests to demonstrate the racy split index problem
  t1700-split-index: document why FSMONITOR is disabled in this test script
This commit is contained in:
Junio C Hamano
2018-10-26 14:22:10 +09:00
parent 3c4a8214a0 4c490f3d32
commit 7a43ab6fb2
5 changed files with 360 additions and 42 deletions
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2
cache.h
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@ -783,6 +783,8 @@ extern void *read_blob_data_from_index(const struct index_state *, const char *,
#define CE_MATCH_REFRESH 0x10
/* don't refresh_fsmonitor state or do stat comparison even if CE_FSMONITOR_VALID is true */
#define CE_MATCH_IGNORE_FSMONITOR 0X20
extern int is_racy_timestamp(const struct index_state *istate,
const struct cache_entry *ce);
extern int ie_match_stat(struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
extern int ie_modified(struct index_state *, const struct cache_entry *, struct stat *, unsigned int);