diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /fs/libfs.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/libfs.c')
| -rw-r--r-- | fs/libfs.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/libfs.c b/fs/libfs.c index 5b2dbb3ba4f..358094f0433 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -3,7 +3,7 @@ * Library for filesystems writers. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/pagemap.h> #include <linux/slab.h> #include <linux/mount.h> @@ -264,6 +264,13 @@ Enomem: return ERR_PTR(-ENOMEM); } +int simple_open(struct inode *inode, struct file *file) +{ + if (inode->i_private) + file->private_data = inode->i_private; + return 0; +} + int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) { struct inode *inode = old_dentry->d_inode; @@ -491,11 +498,9 @@ int simple_fill_super(struct super_block *s, unsigned long magic, inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; set_nlink(inode, 2); - root = d_alloc_root(inode); - if (!root) { - iput(inode); + root = d_make_root(inode); + if (!root) return -ENOMEM; - } for (i = 0; !files->name || files->name[0]; i++, files++) { if (!files->name) continue; @@ -536,7 +541,7 @@ int simple_pin_fs(struct file_system_type *type, struct vfsmount **mount, int *c spin_lock(&pin_fs_lock); if (unlikely(!*mount)) { spin_unlock(&pin_fs_lock); - mnt = vfs_kern_mount(type, 0, type->name, NULL); + mnt = vfs_kern_mount(type, MS_KERNMOUNT, type->name, NULL); if (IS_ERR(mnt)) return PTR_ERR(mnt); spin_lock(&pin_fs_lock); @@ -986,6 +991,7 @@ EXPORT_SYMBOL(simple_dir_operations); EXPORT_SYMBOL(simple_empty); EXPORT_SYMBOL(simple_fill_super); EXPORT_SYMBOL(simple_getattr); +EXPORT_SYMBOL(simple_open); EXPORT_SYMBOL(simple_link); EXPORT_SYMBOL(simple_lookup); EXPORT_SYMBOL(simple_pin_fs); |