LU-12275 sec: add llcrypt as file encryption library

[fs/lustre-release.git] / contrib / scripts / crypto_patches / 0012_igrab.patch

diff --git a/contrib/scripts/crypto_patches/0012_igrab.patch b/contrib/scripts/crypto_patches/0012_igrab.patch
new file mode 100644 (file)
index 0000000..501abda
--- /dev/null
+++ b/contrib/scripts/crypto_patches/0012_igrab.patch
@@ -0,0 +1,19 @@
+As __iget is not exported by the kernel, replace it with igrab.
+
+--- a/libcfs/libcfs/crypto/keyring.c
++++ b/libcfs/libcfs/crypto/keyring.c
+@@ -660,13 +660,8 @@ static void evict_dentries_for_decrypted
+ 
+       list_for_each_entry(ci, &mk->mk_decrypted_inodes, ci_master_key_link) {
+               inode = ci->ci_inode;
+-              spin_lock(&inode->i_lock);
+-              if (inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW)) {
+-                      spin_unlock(&inode->i_lock);
++              if (igrab(inode) == NULL)
+                       continue;
+-              }
+-              __iget(inode);
+-              spin_unlock(&inode->i_lock);
+               spin_unlock(&mk->mk_decrypted_inodes_lock);
+ 
+               shrink_dcache_inode(inode);