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| author | наб <nabijaczleweli@nabijaczleweli.xyz> | 2021-05-14 02:17:31 +0000 |
|---|---|---|
| committer | Brian Behlendorf <behlendorf1@llnl.gov> | 2021-06-09 20:06:05 +0000 |
| commit | d6a0cecab142f25e4a031a645c6ce510aab6c15d (patch) | |
| tree | f22a6e11c9e3a48a18b91a639f7a0403721f5812 | |
| parent | 2c3d7283b46f0690b671ea31a1577aefe0e8884d (diff) | |
| download | src-d6a0cecab142f25e4a031a645c6ce510aab6c15d.tar.gz src-d6a0cecab142f25e4a031a645c6ce510aab6c15d.zip | |
zed-functions.sh: zed_lock(): don't truncate lock
By appending instead of truncating, we can lock on any file (with write
permissions) instead of only dedicated lock files, since the locking
process itself no longer alters the file in any way
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12042
| -rw-r--r-- | cmd/zed/zed.d/zed-functions.sh | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cmd/zed/zed.d/zed-functions.sh b/cmd/zed/zed.d/zed-functions.sh index df35c48fdb02..7dcd6b2d20b9 100644 --- a/cmd/zed/zed.d/zed-functions.sh +++ b/cmd/zed/zed.d/zed-functions.sh @@ -126,7 +126,7 @@ zed_lock() # Obtain a lock on the file bound to the given file descriptor. # - eval "exec ${fd}> '${lockfile}'" + eval "exec ${fd}>> '${lockfile}'" if ! err="$(flock --exclusive "${fd}" 2>&1)"; then zed_log_err "failed to lock \"${lockfile}\": ${err}" fi |