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author | Jeff Hostetler <jeffhost@microsoft.com> | 2020-12-14 16:33:42 +0300 |
---|---|---|
committer | Junio C Hamano <gitster@pobox.com> | 2020-12-14 19:42:23 +0300 |
commit | 5885367e8f4d9fa2637642bb2eb1db8542ffd551 (patch) | |
tree | 22ab23f041b564cb6267314278b5874106cdaab0 /Documentation | |
parent | c9a33e5e5d7e124feb86ccff08ea466faff53b26 (diff) |
index-format.txt: document v2 format of file system monitor extension
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>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/technical/index-format.txt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/technical/index-format.txt b/Documentation/technical/index-format.txt index faa25c5c52..3a433a2090 100644 --- a/Documentation/technical/index-format.txt +++ b/Documentation/technical/index-format.txt @@ -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 |