undef/git-commit-vandalism
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

index-format.txt: document v2 format of file system monitor extension

Browse Source 
Update the documentation of the file system monitor extension to
describe version 2.

The format was extended to support opaque tokens in:
56c6910028 fsmonitor: change last update timestamp on the index_state to opaque token

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler 2020-12-14 13:33:42 +00:00 committed by Junio C Hamano
parent c9a33e5e5d
commit 5885367e8f
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Documentation/technical/index-format.txt
View File

@ -304,12 +304,18 @@ The remaining data of each directory block is grouped by type:
The extension starts with
- 32-bit version number: the current supported version is 1.
- 32-bit version number: the current supported versions are 1 and 2.
- 64-bit time: the extension data reflects all changes through the given
- (Version 1)
64-bit time: the extension data reflects all changes through the given
time which is stored as the nanoseconds elapsed since midnight,
January 1, 1970.
- (Version 2)
A null terminated string: an opaque token defined by the file system
monitor application. The extension data reflects all changes relative
to that token.
- 32-bit bitmap size: the size of the CE_FSMONITOR_VALID bitmap.
- An ewah bitmap, the n-th bit indicates whether the n-th index entry