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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 08:56:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 08:56:33 -0800
commitb4a45f5fe8078bfc10837dbd5b98735058bc4698 (patch)
treedf6f13a27610a3ec7eb4a661448cd779a8f84c79 /fs/filesystems.c
parent01539ba2a706ab7d35fc0667dff919ade7f87d63 (diff)
parentb3e19d924b6eaf2ca7d22cba99a517c5171007b6 (diff)
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Merge branch 'vfs-scale-working' of git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin
* 'vfs-scale-working' of git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin: (57 commits) fs: scale mntget/mntput fs: rename vfsmount counter helpers fs: implement faster dentry memcmp fs: prefetch inode data in dcache lookup fs: improve scalability of pseudo filesystems fs: dcache per-inode inode alias locking fs: dcache per-bucket dcache hash locking bit_spinlock: add required includes kernel: add bl_list xfs: provide simple rcu-walk ACL implementation btrfs: provide simple rcu-walk ACL implementation ext2,3,4: provide simple rcu-walk ACL implementation fs: provide simple rcu-walk generic_check_acl implementation fs: provide rcu-walk aware permission i_ops fs: rcu-walk aware d_revalidate method fs: cache optimise dentry and inode for rcu-walk fs: dcache reduce branches in lookup path fs: dcache remove d_mounted fs: fs_struct use seqlock fs: rcu-walk for path lookup ...
Diffstat (limited to 'fs/filesystems.c')
-rw-r--r--fs/filesystems.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/filesystems.c b/fs/filesystems.c
index 68ba492..751d6b2 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -115,6 +115,9 @@ int unregister_filesystem(struct file_system_type * fs)
tmp = &(*tmp)->next;
}
write_unlock(&file_systems_lock);
+
+ synchronize_rcu();
+
return -EINVAL;
}