Messages in this thread Patch in this message | | | From | David Howells <> | Subject | [PATCH 06/52] CRED: Prepare RAMFS for cred passing | Date | Fri, 12 Oct 2007 17:05:50 +0100 |
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Prepare RAMFS for cred passing.
Signed-off-by: David Howells <dhowells@redhat.com> ---
fs/ramfs/inode.c | 16 ++++++++++------ include/linux/ramfs.h | 3 ++- mm/tiny-shmem.c | 3 ++- 3 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index fe3642a..29100e2 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -49,14 +49,15 @@ static struct backing_dev_info ramfs_backing_dev_info = { BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP, }; -struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev) +struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev, + struct cred *cred) { struct inode * inode = new_inode(sb); if (inode) { inode->i_mode = mode; - inode->i_uid = current->cred->uid; - inode->i_gid = current->cred->gid; + inode->i_uid = cred->uid; + inode->i_gid = cred->gid; inode->i_blocks = 0; inode->i_mapping->a_ops = &ramfs_aops; inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info; @@ -92,7 +93,8 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev) static int ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) { - struct inode * inode = ramfs_get_inode(dir->i_sb, mode, dev); + struct cred *cred = current->cred; + struct inode * inode = ramfs_get_inode(dir->i_sb, mode, dev, cred); int error = -ENOSPC; if (inode) { @@ -124,10 +126,11 @@ static int ramfs_create(struct inode *dir, struct dentry *dentry, int mode, stru static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char * symname) { + struct cred *cred = current->cred; struct inode *inode; int error = -ENOSPC; - inode = ramfs_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0); + inode = ramfs_get_inode(dir->i_sb, S_IFLNK|S_IRWXUGO, 0, cred); if (inode) { int l = strlen(symname)+1; error = page_symlink(inode, symname, l); @@ -162,6 +165,7 @@ static const struct super_operations ramfs_ops = { static int ramfs_fill_super(struct super_block * sb, void * data, int silent) { + struct cred *cred = current->cred; struct inode * inode; struct dentry * root; @@ -171,7 +175,7 @@ static int ramfs_fill_super(struct super_block * sb, void * data, int silent) sb->s_magic = RAMFS_MAGIC; sb->s_op = &ramfs_ops; sb->s_time_gran = 1; - inode = ramfs_get_inode(sb, S_IFDIR | 0755, 0); + inode = ramfs_get_inode(sb, S_IFDIR | 0755, 0, cred); if (!inode) return -ENOMEM; diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h index b160fb1..124b0c3 100644 --- a/include/linux/ramfs.h +++ b/include/linux/ramfs.h @@ -1,7 +1,8 @@ #ifndef _LINUX_RAMFS_H #define _LINUX_RAMFS_H -struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev); +struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev, + struct cred *cred); extern int ramfs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt); diff --git a/mm/tiny-shmem.c b/mm/tiny-shmem.c index 8803471..3d4d602 100644 --- a/mm/tiny-shmem.c +++ b/mm/tiny-shmem.c @@ -48,6 +48,7 @@ module_init(init_tmpfs) */ struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags) { + struct cred *cred = current->cred; int error; struct file *file; struct inode *inode; @@ -72,7 +73,7 @@ struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags) goto put_dentry; error = -ENOSPC; - inode = ramfs_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0); + inode = ramfs_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0, cred); if (!inode) goto close_file; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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