mirror of https://github.com/hak5/openwrt.git
Gabor Juhos
parent
d4be84eee8
commit
9963f0e58f
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@ -195,11 +195,11 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
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+ err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
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+
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+ /* validate */
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+ if (err || !nd.path.dentry || !nd.path.dentry->d_inode) {
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+ if (err || !nd.dentry || !nd.dentry->d_inode) {
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+ printk(KERN_CRIT "mini_fo: bpath_walk: path_walk failed.\n");
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+ return NULL;
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+ }
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+ return nd.path.dentry;
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+ return nd.dentry;
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+}
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+
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+
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@ -3774,7 +3774,7 @@ Index: linux-2.6.23/fs/mini_fo/main.c
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+ /*
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+ * original: inode = iget(sb, hidden_inode->i_ino);
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+ */
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+ inode = iget_locked(sb, iunique(sb, 25));
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+ inode = iget(sb, iunique(sb, 25));
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+ if (!inode) {
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+ err = -EACCES; /* should be impossible??? */
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+ goto out;
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@ -3876,9 +3876,9 @@ Index: linux-2.6.23/fs/mini_fo/main.c
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+ hidden_root = ERR_PTR(err);
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+ goto out;
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+ }
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+ hidden_root = nd.path.dentry;
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+ stopd(sb)->base_dir_dentry = nd.path.dentry;
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+ stopd(sb)->hidden_mnt = nd.path.mnt;
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+ hidden_root = nd.dentry;
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+ stopd(sb)->base_dir_dentry = nd.dentry;
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+ stopd(sb)->hidden_mnt = nd.mnt;
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+
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+ } else if(!strncmp("sto=", options, 4)) {
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+ /* parse the storage dir */
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@ -3896,9 +3896,9 @@ Index: linux-2.6.23/fs/mini_fo/main.c
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+ hidden_root2 = ERR_PTR(err);
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+ goto out;
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+ }
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+ hidden_root2 = nd2.path.dentry;
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+ stopd(sb)->storage_dir_dentry = nd2.path.dentry;
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+ stopd(sb)->hidden_mnt2 = nd2.path.mnt;
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+ hidden_root2 = nd2.dentry;
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+ stopd(sb)->storage_dir_dentry = nd2.dentry;
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+ stopd(sb)->hidden_mnt2 = nd2.mnt;
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+ stohs2(sb) = hidden_root2->d_sb;
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+
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+ /* validate storage dir, this is done in
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@ -7561,7 +7561,7 @@ Index: linux-2.6.23/fs/mini_fo/super.c
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+#include "fist.h"
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+#include "mini_fo.h"
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+
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+#if 0
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+
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+STATIC void
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+mini_fo_read_inode(inode_t *inode)
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+{
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@ -7600,7 +7600,7 @@ Index: linux-2.6.23/fs/mini_fo/super.c
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+ /* I don't think ->a_ops is ever allowed to be NULL */
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+ inode->i_mapping->a_ops = &mini_fo_empty_aops;
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+}
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+#endif
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+
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+
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+#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
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+/*
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@ -7798,7 +7798,7 @@ Index: linux-2.6.23/fs/mini_fo/super.c
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+
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+struct super_operations mini_fo_sops =
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+{
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+// read_inode: mini_fo_read_inode,
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+ read_inode: mini_fo_read_inode,
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+#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
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+ write_inode: mini_fo_write_inode,
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+#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
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@ -0,0 +1,151 @@
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Index: linux-2.6.25/fs/mini_fo/main.c
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===================================================================
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--- linux-2.6.25.orig/fs/mini_fo/main.c
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+++ linux-2.6.25/fs/mini_fo/main.c
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@@ -79,6 +79,7 @@ mini_fo_tri_interpose(dentry_t *hidden_d
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* of the new inode's fields
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*/
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
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/*
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* original: inode = iget(sb, hidden_inode->i_ino);
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*/
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@@ -87,6 +88,13 @@ mini_fo_tri_interpose(dentry_t *hidden_d
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err = -EACCES; /* should be impossible??? */
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goto out;
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}
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+#else
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+ inode = mini_fo_iget(sb, iunique(sb, 25));
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+ if (IS_ERR(inode)) {
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+ err = PTR_ERR(inode);
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+ goto out;
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+ }
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+#endif
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/*
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* interpose the inode if not already interposed
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@@ -184,9 +192,9 @@ mini_fo_parse_options(super_block_t *sb,
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hidden_root = ERR_PTR(err);
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goto out;
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}
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- hidden_root = nd.dentry;
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- stopd(sb)->base_dir_dentry = nd.dentry;
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- stopd(sb)->hidden_mnt = nd.mnt;
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+ hidden_root = nd_get_dentry(&nd);
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+ stopd(sb)->base_dir_dentry = nd_get_dentry(&nd);
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+ stopd(sb)->hidden_mnt = nd_get_mnt(&nd);
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} else if(!strncmp("sto=", options, 4)) {
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/* parse the storage dir */
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@@ -204,9 +212,9 @@ mini_fo_parse_options(super_block_t *sb,
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hidden_root2 = ERR_PTR(err);
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goto out;
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}
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- hidden_root2 = nd2.dentry;
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- stopd(sb)->storage_dir_dentry = nd2.dentry;
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- stopd(sb)->hidden_mnt2 = nd2.mnt;
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+ hidden_root2 = nd_get_dentry(&nd2);
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+ stopd(sb)->storage_dir_dentry = nd_get_dentry(&nd2);
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+ stopd(sb)->hidden_mnt2 = nd_get_mnt(&nd2);
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stohs2(sb) = hidden_root2->d_sb;
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/* validate storage dir, this is done in
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Index: linux-2.6.25/fs/mini_fo/mini_fo.h
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===================================================================
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--- linux-2.6.25.orig/fs/mini_fo/mini_fo.h
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+++ linux-2.6.25/fs/mini_fo/mini_fo.h
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@@ -302,6 +302,10 @@ extern int mini_fo_tri_interpose(dentry_
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extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
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dentry_t *src_dentry, struct vfsmount *src_mnt);
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
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+extern struct inode *mini_fo_iget(struct super_block *sb, unsigned long ino);
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+#endif
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+
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
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extern int mini_fo_create(inode_t *dir, dentry_t *dentry, int mode, struct nameidata *nd);
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@@ -501,6 +505,29 @@ static inline void double_unlock(struct
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#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */
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#endif /* __KERNEL__ */
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+
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
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+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
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+{
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+ return (nd->path.dentry);
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+}
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+
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+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
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+{
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+ return (nd->path.mnt);
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+}
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+#else
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+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
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+{
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+ return (nd->dentry);
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+}
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+
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+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
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+{
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+ return (nd->mnt);
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+}
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+#endif
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+
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/*
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* Definitions for user and kernel code
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*/
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Index: linux-2.6.25/fs/mini_fo/super.c
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===================================================================
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--- linux-2.6.25.orig/fs/mini_fo/super.c
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+++ linux-2.6.25/fs/mini_fo/super.c
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@@ -262,10 +262,31 @@ mini_fo_umount_begin(super_block_t *sb)
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}
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#endif
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
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+struct inode *
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+mini_fo_iget(struct super_block *sb, unsigned long ino)
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+{
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+ struct inode *inode;
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+
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+ inode = iget_locked(sb, ino);
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+ if (!inode)
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+ return ERR_PTR(-ENOMEM);
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+
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+ if (!(inode->i_state & I_NEW))
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+ return inode;
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+
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+ mini_fo_read_inode(inode);
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+
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+ unlock_new_inode(inode);
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+ return inode;
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+}
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+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) */
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struct super_operations mini_fo_sops =
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{
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
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read_inode: mini_fo_read_inode,
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+#endif
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#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
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write_inode: mini_fo_write_inode,
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#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
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Index: linux-2.6.25/fs/mini_fo/aux.c
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===================================================================
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--- linux-2.6.25.orig/fs/mini_fo/aux.c
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+++ linux-2.6.25/fs/mini_fo/aux.c
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@@ -164,11 +164,11 @@ dentry_t *bpath_walk(super_block_t *sb,
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err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
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/* validate */
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- if (err || !nd.dentry || !nd.dentry->d_inode) {
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+ if (err || !nd_get_dentry(&nd) || !nd_get_dentry(&nd)->d_inode) {
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printk(KERN_CRIT "mini_fo: bpath_walk: path_walk failed.\n");
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return NULL;
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}
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- return nd.dentry;
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+ return nd_get_dentry(&nd);
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}
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