[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCHv3 1/2] libfs: allow simple_fill_super() to add symlinks
simple_fill_super() will add symlinks if an entry has mode & S_IFLNK. The target is provided in the new "link" field. Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx> --- v2: - simplified. --- fs/libfs.c | 15 +++++++++++++-- include/linux/fs.h | 2 +- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/fs/libfs.c b/fs/libfs.c index cedeacb..bbf2d82 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -512,9 +512,20 @@ int simple_fill_super(struct super_block *s, unsigned long magic, dput(dentry); goto out; } - inode->i_mode = S_IFREG | files->mode; + if (files->mode & S_IFLNK) { + inode->i_mode = files->mode; + inode->i_op = &simple_symlink_inode_operations; + inode->i_link = kstrdup(files->link, GFP_KERNEL); + if (!inode->i_link) { + iput(inode); + dput(dentry); + goto out; + } + } else { + inode->i_mode = S_IFREG | files->mode; + inode->i_fop = files->ops; + } inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; - inode->i_fop = files->ops; inode->i_ino = i; d_add(dentry, inode); } diff --git a/include/linux/fs.h b/include/linux/fs.h index dd28814..20c54a2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2953,7 +2953,7 @@ extern const struct file_operations simple_dir_operations; extern const struct inode_operations simple_dir_inode_operations; extern void make_empty_dir_inode(struct inode *inode); extern bool is_empty_dir_inode(struct inode *inode); -struct tree_descr { char *name; const struct file_operations *ops; int mode; }; +struct tree_descr { char *name; const struct file_operations *ops; int mode; char *link; }; struct dentry *d_alloc_name(struct dentry *, const char *); extern int simple_fill_super(struct super_block *, unsigned long, struct tree_descr *); extern int simple_pin_fs(struct file_system_type *, struct vfsmount **mount, int *count); -- 2.1.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |