kevin/linux
1
Fork 0
Code

nfsd-6.8 fixes:

Browse Source 
- Address a deadlock regression in RELEASE_LOCKOWNER
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmXDkGoACgkQM2qzM29m
 f5cD1xAAsqKTmrb2ABdFZadYfVl6lKxtNWEp8S9eRS6eBU6bcNr5sxoTi+eflHuB
 a58TfUwj8ffVtmd0qGaWI8RpDuAYtxhJU6l3TQZCLheMlKvsP3u6lZDjk8CeYtIK
 9bVDZV7MOh9C/p01p/21P2B3OukgzzF8Lz/AFPCxCtoK5nnaDT5F+8pX8yfZU5x0
 bM1gBHzB80BoCdzlimN6QB8EfFkOgIF9Apnk53E676KmkOuADV+CIp4aQMsm8l3r
 6lJAdsOCuw5BgSDJWh1vGmFKubfhP841QbglDnnZcc+WTBhvEO0PR8Kv0Ugn5Xek
 8NkcnOlti+gjH0EKTHx5P4frV0BcWptLjCjVdruOvBszrZtEaX547Mp/d04GGO0U
 8gUEhen/RT7l1E2RM4qII9q5nuaekjI2Da2FGZNmK/j66OPFibiOBMRn3u/haTr5
 2axrrO9NOnfWcTQX08iKZygEUY7E4h3iImqkNw+c+avZ6SRiH548TRCrKdlBeuia
 Pj3QFRfu/9PQnnl9qnROXtAP70AKmX1iSLZ4s9+KqTzQVCW7tLbZpOn9D1hHCJ1q
 0JTVql5rSXCl5YpBsDiqr7qvZhVab/2+1X9wHkLPZd5aIBoUmOQOMebZCUxpu+TR
 houx3NBGYNixk0khEkHH3+c0HydvnxVU3xClUgLxjHgEdeS7R6s=
 =z3oC
 -----END PGP SIGNATURE-----

Merge tag 'nfsd-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fix from Chuck Lever:

 - Address a deadlock regression in RELEASE_LOCKOWNER

* tag 'nfsd-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  nfsd: don't take fi_lock in nfsd_break_deleg_cb()
This commit is contained in:
Linus Torvalds 2024-02-07 17:48:15 +00:00
commit c8d80f83de
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
fs/nfsd/nfs4state.c
View File

@ -4945,10 +4945,8 @@ nfsd_break_deleg_cb(struct file_lock *fl)
*/
fl->fl_break_time = 0;
spin_lock(&fp->fi_lock);
fp->fi_had_conflict = true;
nfsd_break_one_deleg(dp);
spin_unlock(&fp->fi_lock);
return false;
}
@ -5557,12 +5555,13 @@ nfs4_set_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
if (status)
goto out_unlock;
status = -EAGAIN;
if (fp->fi_had_conflict)
goto out_unlock;
spin_lock(&state_lock);
spin_lock(&fp->fi_lock);
if (fp->fi_had_conflict)
status = -EAGAIN;
else
status = hash_delegation_locked(dp, fp);
status = hash_delegation_locked(dp, fp);
spin_unlock(&fp->fi_lock);
spin_unlock(&state_lock);