diff options
Diffstat (limited to 'debian/patches/flavio0002-libdiskfs-fix-and-improve-locking-in-nrefs-nput.patch')
-rw-r--r-- | debian/patches/flavio0002-libdiskfs-fix-and-improve-locking-in-nrefs-nput.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/debian/patches/flavio0002-libdiskfs-fix-and-improve-locking-in-nrefs-nput.patch b/debian/patches/flavio0002-libdiskfs-fix-and-improve-locking-in-nrefs-nput.patch deleted file mode 100644 index 2999c041..00000000 --- a/debian/patches/flavio0002-libdiskfs-fix-and-improve-locking-in-nrefs-nput.patch +++ /dev/null @@ -1,68 +0,0 @@ -From 0f6a5081d875051e1b6275096d25332e66f0458c Mon Sep 17 00:00:00 2001 -From: Flavio Cruz <flaviocruz@gmail.com> -Date: Sun, 14 Feb 2016 18:37:16 -0500 -Subject: [PATCH hurd 2/2] libdiskfs: fix and improve locking in nrefs/nput. - -* libnetfs/node-nput.c: Do not unlock the node since it will be unlocked -later. -* libnetfs/node-nrele.c: Do not lock the node twice if not needed. ---- - libdiskfs/node-nput.c | 1 - - libdiskfs/node-nrele.c | 8 ++++++-- - 2 files changed, 6 insertions(+), 3 deletions(-) - -diff --git a/libdiskfs/node-nput.c b/libdiskfs/node-nput.c -index d23c103..d59769b 100644 ---- a/libdiskfs/node-nput.c -+++ b/libdiskfs/node-nput.c -@@ -56,7 +56,6 @@ diskfs_nput (struct node *np) - hold a weak reference ourselves. */ - diskfs_try_dropping_softrefs (np); - } -- pthread_mutex_unlock (&np->lock); - } - - /* Finally get rid of our reference. */ -diff --git a/libdiskfs/node-nrele.c b/libdiskfs/node-nrele.c -index d962846..a96d134 100644 ---- a/libdiskfs/node-nrele.c -+++ b/libdiskfs/node-nrele.c -@@ -28,6 +28,7 @@ - void - diskfs_nrele (struct node *np) - { -+ int locked = FALSE; - struct references result; - - /* While we call the diskfs_try_dropping_softrefs, we need to hold -@@ -37,6 +38,7 @@ diskfs_nrele (struct node *np) - - if (result.hard == 0) - { -+ locked = TRUE; - pthread_mutex_lock (&np->lock); - diskfs_lost_hardrefs (np); - if (!np->dn_stat.st_nlink) -@@ -49,7 +51,6 @@ diskfs_nrele (struct node *np) - hold a weak reference ourselves. */ - diskfs_try_dropping_softrefs (np); - } -- pthread_mutex_unlock (&np->lock); - } - - /* Finally get rid of our reference. */ -@@ -57,7 +58,10 @@ diskfs_nrele (struct node *np) - - if (result.hard == 0 && result.weak == 0) - { -- pthread_mutex_lock (&np->lock); -+ if (! locked) -+ pthread_mutex_lock (&np->lock); - diskfs_drop_node (np); - } -+ else if (locked) -+ pthread_mutex_unlock (&np->lock); - } --- -2.1.4 - |