diff options
| author | Jakob Unterwurzacher | 2023-06-02 14:24:44 +0200 |
|---|---|---|
| committer | Jakob Unterwurzacher | 2024-12-04 19:53:15 +0100 |
| commit | 8f76d1ea0a63f546ad09fa70be1ed7b6a7d29fe6 (patch) | |
| tree | ceeb1a1d902e55f1798c238af5595247201db929 /internal/syscallcompat/sys_linux.go | |
| parent | 9529f5da0f608c7dbc7b7be095d89039d6a3a5b6 (diff) | |
fusefrontend: sharedstorage: use byte-range lock on file header creation
Multiple host writing to the same empty file at the same time
could have overwritten each other's newly created file header,
leading to data corruption.
Fix the race by placing a byte-range lock on the file when
creating the file header.
Diffstat (limited to 'internal/syscallcompat/sys_linux.go')
| -rw-r--r-- | internal/syscallcompat/sys_linux.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/internal/syscallcompat/sys_linux.go b/internal/syscallcompat/sys_linux.go index a64b27e..3714b75 100644 --- a/internal/syscallcompat/sys_linux.go +++ b/internal/syscallcompat/sys_linux.go @@ -32,6 +32,7 @@ const ( RENAME_NOREPLACE = unix.RENAME_NOREPLACE RENAME_WHITEOUT = unix.RENAME_WHITEOUT RENAME_EXCHANGE = unix.RENAME_EXCHANGE + F_OFD_SETLKW = unix.F_OFD_SETLKW ) var preallocWarn sync.Once |