fsmonitor.h

   1 #ifndef FSMONITOR_H
   2 #define FSMONITOR_H
   3
   4 extern struct trace_key trace_fsmonitor;
   5
   6 /*
   7  * Read the fsmonitor index extension and (if configured) restore the
   8  * CE_FSMONITOR_VALID state.
   9  */
  10 extern int read_fsmonitor_extension(struct index_state *istate, const void *data, unsigned long sz);
  11
  12 /*
  13  * Fill the fsmonitor_dirty ewah bits with their state from the index,
  14  * before it is split during writing.
  15  */
  16 extern void fill_fsmonitor_bitmap(struct index_state *istate);
  17
  18 /*
  19  * Write the CE_FSMONITOR_VALID state into the fsmonitor index
  20  * extension.  Reads from the fsmonitor_dirty ewah in the index.
  21  */
  22 extern void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate);
  23
  24 /*
  25  * Add/remove the fsmonitor index extension
  26  */
  27 extern void add_fsmonitor(struct index_state *istate);
  28 extern void remove_fsmonitor(struct index_state *istate);
  29
  30 /*
  31  * Add/remove the fsmonitor index extension as necessary based on the current
  32  * core.fsmonitor setting.
  33  */
  34 extern void tweak_fsmonitor(struct index_state *istate);
  35
  36 /*
  37  * Run the configured fsmonitor integration script and clear the
  38  * CE_FSMONITOR_VALID bit for any files returned as dirty.  Also invalidate
  39  * any corresponding untracked cache directory structures. Optimized to only
  40  * run the first time it is called.
  41  */
  42 extern void refresh_fsmonitor(struct index_state *istate);
  43
  44 /*
  45  * Set the given cache entries CE_FSMONITOR_VALID bit. This should be
  46  * called any time the cache entry has been updated to reflect the
  47  * current state of the file on disk.
  48  */
  49 static inline void mark_fsmonitor_valid(struct cache_entry *ce)
  50 {
  51         if (core_fsmonitor) {
  52                 ce->ce_flags |= CE_FSMONITOR_VALID;
  53                 trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name);
  54         }
  55 }
  56
  57 /*
  58  * Clear the given cache entry's CE_FSMONITOR_VALID bit and invalidate
  59  * any corresponding untracked cache directory structures. This should
  60  * be called any time git creates or modifies a file that should
  61  * trigger an lstat() or invalidate the untracked cache for the
  62  * corresponding directory
  63  */
  64 static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce)
  65 {
  66         if (core_fsmonitor) {
  67                 ce->ce_flags &= ~CE_FSMONITOR_VALID;
  68                 untracked_cache_invalidate_path(istate, ce->name);
  69                 trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name);
  70         }
  71 }
  72
  73 #endif