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fsmonitor: delay updating state until after split index is merged

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If the fsmonitor extension is used in conjunction with the split index
extension, the set of entries in the index when it is first loaded is
only a subset of the real index.  This leads to only the non-"base"
index being marked as CE_FSMONITOR_VALID.

Delay the expansion of the ewah bitmap until after tweak_split_index
has been called to merge in the base index as well.

The new fsmonitor_dirty is kept from being leaked by dint of being
cleaned up in post_read_index_from, which is guaranteed to be called
after do_read_index in read_index_from.

Signed-off-by: Alex Vandiver <alexmv@dropbox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alex Vandiver
2017-10-27 16:26:37 -07:00
committed by Junio C Hamano
parent bd76afd13d
commit ba1b9caca6
2 changed files with 25 additions and 16 deletions
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cache.h
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@ -347,6 +347,7 @@ struct index_state {
unsigned char sha1[20];
struct untracked_cache *untracked;
uint64_t fsmonitor_last_update;
struct ewah_bitmap *fsmonitor_dirty;
};
extern struct index_state the_index;