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authorAl Viro <viro@zeniv.linux.org.uk>2009-12-23 00:43:50 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2010-01-14 09:05:25 -0500
commit7b264fc2bef4a3de8bc5ff1a6c5b9e890b069a04 (patch)
tree3193dc707b7c6d89b1136d2f3dac2b649032cd86 /fs/hppfs/hppfs.c
parent204f2f0e82ec5cecbe671cfe2b132146929213d3 (diff)
hppfs: handle ->put_link()
current code works only because nothing in procfs has non-trivial ->put_link(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hppfs/hppfs.c')
-rw-r--r--fs/hppfs/hppfs.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index a5089a6dd67a..7239efc690d8 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -646,22 +646,27 @@ static const struct super_operations hppfs_sbops = {
646static int hppfs_readlink(struct dentry *dentry, char __user *buffer, 646static int hppfs_readlink(struct dentry *dentry, char __user *buffer,
647 int buflen) 647 int buflen)
648{ 648{
649 struct dentry *proc_dentry; 649 struct dentry *proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
650
651 proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
652 return proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer, 650 return proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer,
653 buflen); 651 buflen);
654} 652}
655 653
656static void *hppfs_follow_link(struct dentry *dentry, struct nameidata *nd) 654static void *hppfs_follow_link(struct dentry *dentry, struct nameidata *nd)
657{ 655{
658 struct dentry *proc_dentry; 656 struct dentry *proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
659
660 proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
661 657
662 return proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd); 658 return proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd);
663} 659}
664 660
661static void hppfs_put_link(struct dentry *dentry, struct nameidata *nd,
662 void *cookie)
663{
664 struct dentry *proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
665
666 if (proc_dentry->d_inode->i_op->put_link)
667 proc_dentry->d_inode->i_op->put_link(proc_dentry, nd, cookie);
668}
669
665static const struct inode_operations hppfs_dir_iops = { 670static const struct inode_operations hppfs_dir_iops = {
666 .lookup = hppfs_lookup, 671 .lookup = hppfs_lookup,
667}; 672};
@@ -669,6 +674,7 @@ static const struct inode_operations hppfs_dir_iops = {
669static const struct inode_operations hppfs_link_iops = { 674static const struct inode_operations hppfs_link_iops = {
670 .readlink = hppfs_readlink, 675 .readlink = hppfs_readlink,
671 .follow_link = hppfs_follow_link, 676 .follow_link = hppfs_follow_link,
677 .put_link = hppfs_put_link,
672}; 678};
673 679
674static struct inode *get_inode(struct super_block *sb, struct dentry *dentry) 680static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)