Archive-Team
/
zfs
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 103 Wiki Activity

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
This commit is contained in:
наб 2021-05-14 04:17:31 +02:00 committed by Brian Behlendorf
parent 2c3d7283b4
commit d6a0cecab1
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/zed/zed.d/zed-functions.sh
View File

@ -126,7 +126,7 @@ zed_lock()
# Obtain a lock on the file bound to the given file descriptor. # 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 if ! err="$(flock --exclusive "${fd}" 2>&1)"; then
zed_log_err "failed to lock \"${lockfile}\": ${err}" zed_log_err "failed to lock \"${lockfile}\": ${err}"
fi fi