From: Mike Marciniszyn <mike.marciniszyn@intel.com>
Date: Wed, 25 Jul 2012 16:06:47 +0000 (-0400)
Subject: IB/qib: backport qib_fs.c before 2.6.35
X-Git-Tag: vofed-3.5-x~51^2~3
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=6188f977f225e776dc66ef90d2076bb716162e83;p=~emulex%2Fcompat-rdma_3.12.git

IB/qib: backport qib_fs.c before 2.6.35

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
---

diff --git a/patches/0009-qib-fs-backport.patch b/patches/0009-qib-fs-backport.patch
new file mode 100644
index 0000000..517e99a
--- /dev/null
+++ b/patches/0009-qib-fs-backport.patch
@@ -0,0 +1,82 @@
+IB/qib: backport qib_fs.c before 2.6.35
+
+Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
+
+diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
+index 05e0f17..4ea3926 100644
+--- a/drivers/infiniband/hw/qib/qib_fs.c
++++ b/drivers/infiniband/hw/qib/qib_fs.c
+@@ -58,7 +58,9 @@ static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
+ 		goto bail;
+ 	}
+ 
++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36))
+ 	inode->i_ino = get_next_ino();
++#endif
+ 	inode->i_mode = mode;
+ 	inode->i_uid = 0;
+ 	inode->i_gid = 0;
+@@ -453,14 +455,27 @@ static int remove_file(struct dentry *parent, char *name)
+ 		goto bail;
+ 	}
+ 
++#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36))
++	spin_lock(&dcache_lock);
++#endif
+ 	spin_lock(&tmp->d_lock);
+ 	if (!(d_unhashed(tmp) && tmp->d_inode)) {
++#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36))
++		dget_locked(tmp);
++#else
+ 		dget_dlock(tmp);
++#endif
+ 		__d_drop(tmp);
+ 		spin_unlock(&tmp->d_lock);
++#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36))
++		spin_unlock(&dcache_lock);
++#endif
+ 		simple_unlink(parent->d_inode, tmp);
+ 	} else {
+ 		spin_unlock(&tmp->d_lock);
++#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36))
++		spin_unlock(&dcache_lock);
++#endif
+ 	}
+ 
+ 	ret = 0;
+@@ -552,6 +567,7 @@ bail:
+ 	return ret;
+ }
+ 
++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36))
+ static struct dentry *qibfs_mount(struct file_system_type *fs_type, int flags,
+ 			const char *dev_name, void *data)
+ {
+@@ -559,6 +575,15 @@ static struct dentry *qibfs_mount(struct file_system_type *fs_type, int flags,
+ 	ret = mount_single(fs_type, flags, data, qibfs_fill_super);
+ 	if (!IS_ERR(ret))
+ 		qib_super = ret->d_sb;
++#else
++static int qibfs_get_sb(struct file_system_type *fs_type, int flags,
++			const char *dev_name, void *data, struct vfsmount *mnt)
++{
++	int ret = get_sb_single(fs_type, flags, data,
++					qibfs_fill_super, mnt);
++	if (ret >= 0)
++		qib_super = mnt->mnt_sb;
++#endif
+ 	return ret;
+ }
+ 
+@@ -600,7 +625,11 @@ int qibfs_remove(struct qib_devdata *dd)
+ static struct file_system_type qibfs_fs_type = {
+ 	.owner =        THIS_MODULE,
+ 	.name =         "ipathfs",
++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,36))
+ 	.mount =        qibfs_mount,
++#else
++	.get_sb =        qibfs_get_sb,
++#endif
+ 	.kill_sb =      qibfs_kill_super,
+ };
+