hsist
/
freifunkist-firmware
6
1
Fork 0
Code Issues Pull Requests Releases Wiki Activity

kernel: replace mini_fo with overlayfs for 2.6.37

Browse Source 
SVN-Revision: 26209
master
Felix Fietkau 14 years ago
parent a3b9971d84
commit 334ea34d35
15 changed files with 2995 additions and 8490 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 9
      target/linux/generic/config-2.6.37
  2. 7786
      target/linux/generic/patches-2.6.37/209-mini_fo.patch
  3. 2787
      target/linux/generic/patches-2.6.37/209-overlayfs.patch
  4. 143
      target/linux/generic/patches-2.6.37/210-mini_fo_2.6.25_fixes.patch
  5. 78
      target/linux/generic/patches-2.6.37/210-overlayfs_2.6.37_backport.patch
  6. 66
      target/linux/generic/patches-2.6.37/211-mini_fo_2.6.25_dentry_open_war.patch
  7. 124
      target/linux/generic/patches-2.6.37/211-overlayfs_fix_readdir_deadlock.patch
  8. 37
      target/linux/generic/patches-2.6.37/212-mini_fo_2.6.26_fixes.patch
  9. 41
      target/linux/generic/patches-2.6.37/213-mini_fo_2.6.27_fixes.patch
  10. 96
      target/linux/generic/patches-2.6.37/214-mini_fo_2.6.29.patch
  11. 157
      target/linux/generic/patches-2.6.37/215-mini_fo_2.6.30.patch
  12. 25
      target/linux/generic/patches-2.6.37/216-mini_fo_locking.patch
  13. 45
      target/linux/generic/patches-2.6.37/217-mini_fo_2.6.35.patch
  14. 43
      target/linux/generic/patches-2.6.37/217-mini_fo_2.6.36_fixes.patch
  15. 48
      target/linux/generic/patches-2.6.37/218-mini_fo_dentry_check.patch

9
target/linux/generic/config-2.6.37
Unescape View File

@ -582,8 +582,9 @@ CONFIG_EXPERIMENTAL=y
# CONFIG_EXT3_FS_XATTR is not set # CONFIG_EXT3_FS_XATTR is not set
# CONFIG_EXT4_DEBUG is not set # CONFIG_EXT4_DEBUG is not set
# CONFIG_EXT4_FS is not set # CONFIG_EXT4_FS is not set
# CONFIG_EXT4_FS_POSIX_ACL is not set
# CONFIG_EXT4_FS_SECURITY is not set # CONFIG_EXT4_FS_SECURITY is not set
# CONFIG_EXT4_FS_XATTR is not set CONFIG_EXT4_FS_XATTR=y
CONFIG_EXT4_USE_FOR_EXT23=y CONFIG_EXT4_USE_FOR_EXT23=y
CONFIG_EXTRA_FIRMWARE="" CONFIG_EXTRA_FIRMWARE=""
CONFIG_EXTRA_TARGETS="" CONFIG_EXTRA_TARGETS=""
@ -1122,9 +1123,11 @@ CONFIG_JFFS2_CMODE_PRIORITY=y
CONFIG_JFFS2_COMPRESSION_OPTIONS=y CONFIG_JFFS2_COMPRESSION_OPTIONS=y
CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS=y
CONFIG_JFFS2_FS_DEBUG=0 CONFIG_JFFS2_FS_DEBUG=0
# CONFIG_JFFS2_FS_POSIX_ACL is not set
# CONFIG_JFFS2_FS_SECURITY is not set
# CONFIG_JFFS2_FS_WBUF_VERIFY is not set # CONFIG_JFFS2_FS_WBUF_VERIFY is not set
CONFIG_JFFS2_FS_WRITEBUFFER=y CONFIG_JFFS2_FS_WRITEBUFFER=y
# CONFIG_JFFS2_FS_XATTR is not set CONFIG_JFFS2_FS_XATTR=y
CONFIG_JFFS2_LZMA=y CONFIG_JFFS2_LZMA=y
# CONFIG_JFFS2_LZO is not set # CONFIG_JFFS2_LZO is not set
CONFIG_JFFS2_RTIME=y CONFIG_JFFS2_RTIME=y
@ -1301,7 +1304,6 @@ CONFIG_MII=y
# CONFIG_MIKROTIK_RB532 is not set # CONFIG_MIKROTIK_RB532 is not set
# CONFIG_MINIX_FS is not set # CONFIG_MINIX_FS is not set
# CONFIG_MINIX_SUBPARTITION is not set # CONFIG_MINIX_SUBPARTITION is not set
CONFIG_MINI_FO=y
# CONFIG_MIPS_ALCHEMY is not set # CONFIG_MIPS_ALCHEMY is not set
# CONFIG_MIPS_COBALT is not set # CONFIG_MIPS_COBALT is not set
# CONFIG_MIPS_FPU_EMU is not set # CONFIG_MIPS_FPU_EMU is not set
@ -1715,6 +1717,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
# CONFIG_OMFS_FS is not set # CONFIG_OMFS_FS is not set
# CONFIG_ORION_WATCHDOG is not set # CONFIG_ORION_WATCHDOG is not set
# CONFIG_OSF_PARTITION is not set # CONFIG_OSF_PARTITION is not set
CONFIG_OVERLAYFS_FS=y
# CONFIG_P54_COMMON is not set # CONFIG_P54_COMMON is not set
CONFIG_PACKET=y CONFIG_PACKET=y
# CONFIG_PAGE_POISONING is not set # CONFIG_PAGE_POISONING is not set

7786
target/linux/generic/patches-2.6.37/209-mini_fo.patch
View File

File diff suppressed because it is too large Load Diff

2787
target/linux/generic/patches-2.6.37/209-overlayfs.patch
View File

File diff suppressed because it is too large Load Diff

143
target/linux/generic/patches-2.6.37/210-mini_fo_2.6.25_fixes.patch
Unescape View File

@ -1,143 +0,0 @@
--- a/fs/mini_fo/main.c
+++ b/fs/mini_fo/main.c
@@ -79,6 +79,7 @@ mini_fo_tri_interpose(dentry_t *hidden_d
* of the new inode's fields
*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
/*
* original: inode = iget(sb, hidden_inode->i_ino);
*/
@@ -87,6 +88,13 @@ mini_fo_tri_interpose(dentry_t *hidden_d
err = -EACCES; /* should be impossible??? */
goto out;
}
+#else
+ inode = mini_fo_iget(sb, iunique(sb, 25));
+ if (IS_ERR(inode)) {
+ err = PTR_ERR(inode);
+ goto out;
+ }
+#endif
/*
* interpose the inode if not already interposed
@@ -184,9 +192,9 @@ mini_fo_parse_options(super_block_t *sb,
hidden_root = ERR_PTR(err);
goto out;
}
- hidden_root = nd.dentry;
- stopd(sb)->base_dir_dentry = nd.dentry;
- stopd(sb)->hidden_mnt = nd.mnt;
+ hidden_root = nd_get_dentry(&nd);
+ stopd(sb)->base_dir_dentry = nd_get_dentry(&nd);
+ stopd(sb)->hidden_mnt = nd_get_mnt(&nd);
} else if(!strncmp("sto=", options, 4)) {
/* parse the storage dir */
@@ -204,9 +212,9 @@ mini_fo_parse_options(super_block_t *sb,
hidden_root2 = ERR_PTR(err);
goto out;
}
- hidden_root2 = nd2.dentry;
- stopd(sb)->storage_dir_dentry = nd2.dentry;
- stopd(sb)->hidden_mnt2 = nd2.mnt;
+ hidden_root2 = nd_get_dentry(&nd2);
+ stopd(sb)->storage_dir_dentry = nd_get_dentry(&nd2);
+ stopd(sb)->hidden_mnt2 = nd_get_mnt(&nd2);
stohs2(sb) = hidden_root2->d_sb;
/* validate storage dir, this is done in
--- a/fs/mini_fo/mini_fo.h
+++ b/fs/mini_fo/mini_fo.h
@@ -302,6 +302,10 @@ extern int mini_fo_tri_interpose(dentry_
extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
dentry_t *src_dentry, struct vfsmount *src_mnt);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+extern struct inode *mini_fo_iget(struct super_block *sb, unsigned long ino);
+#endif
+
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
extern int mini_fo_create(inode_t *dir, dentry_t *dentry, int mode, struct nameidata *nd);
@@ -501,6 +505,29 @@ static inline void double_unlock(struct
#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */
#endif /* __KERNEL__ */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
+{
+ return (nd->path.dentry);
+}
+
+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
+{
+ return (nd->path.mnt);
+}
+#else
+static inline dentry_t *nd_get_dentry(struct nameidata *nd)
+{
+ return (nd->dentry);
+}
+
+static inline struct vfsmount *nd_get_mnt(struct nameidata *nd)
+{
+ return (nd->mnt);
+}
+#endif
+
/*
* Definitions for user and kernel code
*/
--- a/fs/mini_fo/super.c
+++ b/fs/mini_fo/super.c
@@ -266,10 +266,31 @@ mini_fo_umount_begin(super_block_t *sb)
}
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+struct inode *
+mini_fo_iget(struct super_block *sb, unsigned long ino)
+{
+ struct inode *inode;
+
+ inode = iget_locked(sb, ino);
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+
+ if (!(inode->i_state & I_NEW))
+ return inode;
+
+ mini_fo_read_inode(inode);
+
+ unlock_new_inode(inode);
+ return inode;
+}
+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) */
struct super_operations mini_fo_sops =
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
read_inode: mini_fo_read_inode,
+#endif
#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
write_inode: mini_fo_write_inode,
#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
--- a/fs/mini_fo/aux.c
+++ b/fs/mini_fo/aux.c
@@ -164,11 +164,11 @@ dentry_t *bpath_walk(super_block_t *sb,
err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
/* validate */
- if (err || !nd.dentry || !nd.dentry->d_inode) {
+ if (err || !nd_get_dentry(&nd) || !nd_get_dentry(&nd)->d_inode) {
printk(KERN_CRIT "mini_fo: bpath_walk: path_walk failed.\n");
return NULL;
}
- return nd.dentry;
+ return nd_get_dentry(&nd);
}

78
target/linux/generic/patches-2.6.37/210-overlayfs_2.6.37_backport.patch
Unescape View File

@ -0,0 +1,78 @@
--- a/fs/overlayfs/overlayfs.c
+++ b/fs/overlayfs/overlayfs.c
@@ -28,13 +28,8 @@ struct ovl_fs {
struct ovl_entry {
struct dentry *__upperdentry;
struct dentry *lowerdentry;
- union {
- struct {
- u64 version;
- bool opaque;
- };
- struct rcu_head rcu;
- };
+ u64 version;
+ bool opaque;
};
static const char *ovl_whiteout_xattr = "trusted.overlay.whiteout";
@@ -632,12 +627,6 @@ static const struct file_operations ovl_
static const struct inode_operations ovl_dir_inode_operations;
-static void ovl_entry_free(struct rcu_head *head)
-{
- struct ovl_entry *oe = container_of(head, struct ovl_entry, rcu);
- kfree(oe);
-}
-
static void ovl_dentry_release(struct dentry *dentry)
{
struct ovl_entry *oe = dentry->d_fsdata;
@@ -645,7 +634,7 @@ static void ovl_dentry_release(struct de
if (oe) {
dput(oe->__upperdentry);
dput(oe->lowerdentry);
- call_rcu(&oe->rcu, ovl_entry_free);
+ kfree(oe);
}
}
@@ -1338,7 +1327,7 @@ static int ovl_dir_getattr(struct vfsmou
return 0;
}
-static int ovl_permission(struct inode *inode, int mask, unsigned int flags)
+static int ovl_permission(struct inode *inode, int mask)
{
struct ovl_entry *oe;
struct dentry *alias = NULL;
@@ -1349,8 +1338,6 @@ static int ovl_permission(struct inode *
if (S_ISDIR(inode->i_mode)) {
oe = inode->i_private;
- } else if (flags & IPERM_FLAG_RCU) {
- return -ECHILD;
} else {
/*
* For non-directories find an alias and get the info
@@ -1377,7 +1364,6 @@ static int ovl_permission(struct inode *
/* Careful in RCU walk mode */
realinode = ACCESS_ONCE(realdentry->d_inode);
if (!realinode) {
- WARN_ON(!(flags & IPERM_FLAG_RCU));
return -ENOENT;
}
@@ -1402,9 +1388,9 @@ static int ovl_permission(struct inode *
}
if (realinode->i_op->permission)
- err = realinode->i_op->permission(realinode, mask, flags);
+ err = realinode->i_op->permission(realinode, mask);
else
- err = generic_permission(realinode, mask, flags,
+ err = generic_permission(realinode, mask,
realinode->i_op->check_acl);
out_dput:
dput(alias);

66
target/linux/generic/patches-2.6.37/211-mini_fo_2.6.25_dentry_open_war.patch
Unescape View File

@ -1,66 +0,0 @@
--- a/fs/mini_fo/meta.c
+++ b/fs/mini_fo/meta.c
@@ -442,6 +442,11 @@ int meta_write_d_entry(dentry_t *dentry,
S_IRUSR | S_IWUSR);
#endif
}
+
+ /* $%& err, is this correct? */
+ meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
+ mntget(meta_mnt);
+
/* open META-file for writing */
meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
if(!meta_file || IS_ERR(meta_file)) {
@@ -535,6 +540,11 @@ int meta_write_r_entry(dentry_t *dentry,
meta_dentry, S_IRUSR | S_IWUSR);
#endif
}
+
+ /* $%& err, is this correct? */
+ meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
+ mntget(meta_mnt);
+
/* open META-file for writing */
meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
if(!meta_file || IS_ERR(meta_file)) {
@@ -671,14 +681,16 @@ int meta_sync_d_list(dentry_t *dentry, i
}
}
+ /* $%& err, is this correct? */
+ meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
+ mntget(meta_mnt);
+
/* open META-file for writing */
meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
ERROR opening meta file.\n");
- /* we don't mntget so we dont't mntput (for now)
- * mntput(meta_mnt);
- */
+ mntput(meta_mnt);
dput(meta_dentry);
err = -1;
goto out;
@@ -811,14 +823,16 @@ int meta_sync_r_list(dentry_t *dentry, i
}
}
+ /* $%& err, is this correct? */
+ meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
+ mntget(meta_mnt);
+
/* open META-file for writing */
meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
ERROR opening meta file.\n");
- /* we don't mntget so we dont't mntput (for now)
- * mntput(meta_mnt);
- */
+ mntput(meta_mnt);
dput(meta_dentry);
err = -1;
goto out;

124
target/linux/generic/patches-2.6.37/211-overlayfs_fix_readdir_deadlock.patch
Unescape View File

@ -0,0 +1,124 @@
--- a/fs/overlayfs/overlayfs.c
+++ b/fs/overlayfs/overlayfs.c
@@ -248,8 +248,7 @@ static struct ovl_cache_entry *ovl_cache
}
static struct ovl_cache_entry *ovl_cache_entry_new(const char *name, int len,
- u64 ino, unsigned int d_type,
- bool is_whiteout)
+ u64 ino, unsigned int d_type)
{
struct ovl_cache_entry *p;
@@ -262,7 +261,7 @@ static struct ovl_cache_entry *ovl_cache
p->len = len;
p->type = d_type;
p->ino = ino;
- p->is_whiteout = is_whiteout;
+ p->is_whiteout = false;
}
return p;
@@ -270,7 +269,7 @@ static struct ovl_cache_entry *ovl_cache
static int ovl_cache_entry_add_rb(struct ovl_readdir_data *rdd,
const char *name, int len, u64 ino,
- unsigned int d_type, bool is_whiteout)
+ unsigned int d_type)
{
struct rb_node **newp = &rdd->root->rb_node;
struct rb_node *parent = NULL;
@@ -291,11 +290,18 @@ static int ovl_cache_entry_add_rb(struct
return 0;
}
- p = ovl_cache_entry_new(name, len, ino, d_type, is_whiteout);
+ p = ovl_cache_entry_new(name, len, ino, d_type);
if (p == NULL)
return -ENOMEM;
- list_add_tail(&p->l_node, rdd->list);
+ /*
+ * Add links before other types to be able to quicky mark
+ * any whiteout entries
+ */
+ if (d_type == DT_LNK)
+ list_add(&p->l_node, rdd->list);
+ else
+ list_add_tail(&p->l_node, rdd->list);
rb_link_node(&p->node, parent, newp);
rb_insert_color(&p->node, rdd->root);
@@ -313,7 +319,7 @@ static int ovl_fill_lower(void *buf, con
if (p) {
list_move_tail(&p->l_node, rdd->middle);
} else {
- p = ovl_cache_entry_new(name, namelen, ino, d_type, false);
+ p = ovl_cache_entry_new(name, namelen, ino, d_type);
if (p == NULL)
rdd->err = -ENOMEM;
else
@@ -338,26 +344,9 @@ static int ovl_fill_upper(void *buf, con
loff_t offset, u64 ino, unsigned int d_type)
{
struct ovl_readdir_data *rdd = buf;
- bool is_whiteout = false;
rdd->count++;
- if (d_type == DT_LNK) {
- struct dentry *dentry;
-
- dentry = lookup_one_len(name, rdd->dir, namelen);
- if (IS_ERR(dentry)) {
- rdd->err = PTR_ERR(dentry);
- goto out;
- }
- is_whiteout = ovl_is_whiteout(dentry);
- dput(dentry);
- }
-
- rdd->err = ovl_cache_entry_add_rb(rdd, name, namelen, ino, d_type,
- is_whiteout);
-
-out:
- return rdd->err;
+ return ovl_cache_entry_add_rb(rdd, name, namelen, ino, d_type);
}
static int ovl_dir_read(struct path *realpath, struct ovl_readdir_data *rdd,
@@ -423,6 +412,26 @@ static void ovl_dir_reset(struct file *f
}
}
+static void ovl_dir_mark_whiteouts(struct ovl_readdir_data *rdd)
+{
+ struct ovl_cache_entry *p;
+ struct dentry *dentry;
+
+ mutex_lock(&rdd->dir->d_inode->i_mutex);
+ list_for_each_entry(p, rdd->list, l_node) {
+ if (p->type != DT_LNK)
+ break;
+
+ dentry = lookup_one_len(p->name, rdd->dir, p->len);
+ if (IS_ERR(dentry))
+ continue;
+
+ p->is_whiteout = ovl_is_whiteout(dentry);
+ dput(dentry);
+ }
+ mutex_unlock(&rdd->dir->d_inode->i_mutex);
+}
+
static int ovl_dir_read_merged(struct path *upperpath, struct path *lowerpath,
struct ovl_readdir_data *rdd)
{
@@ -436,6 +445,8 @@ static int ovl_dir_read_merged(struct pa
err = ovl_dir_read(upperpath, rdd, ovl_fill_upper);
if (err)
goto out;
+
+ ovl_dir_mark_whiteouts(rdd);
}
/*
* Insert lowerpath entries before upperpath ones, this allows

37
target/linux/generic/patches-2.6.37/212-mini_fo_2.6.26_fixes.patch
Unescape View File

@ -1,37 +0,0 @@
--- a/fs/mini_fo/super.c
+++ b/fs/mini_fo/super.c
@@ -84,6 +84,7 @@ mini_fo_write_inode(inode_t *inode, int
#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
STATIC void
mini_fo_put_inode(inode_t *inode)
{
@@ -99,6 +100,7 @@ mini_fo_put_inode(inode_t *inode)
if (atomic_read(&inode->i_count) == 1)
inode->i_nlink = 0;
}
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) */
#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
@@ -242,7 +244,7 @@ mini_fo_clear_inode(inode_t *inode)
* dies.
*/
STATIC void
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26))
mini_fo_umount_begin(struct vfsmount *mnt, int flags)
{
struct vfsmount *hidden_mnt;
@@ -294,7 +296,9 @@ struct super_operations mini_fo_sops =
#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
write_inode: mini_fo_write_inode,
#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
put_inode: mini_fo_put_inode,
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) */
#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
delete_inode: mini_fo_delete_inode,
#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */

41
target/linux/generic/patches-2.6.37/213-mini_fo_2.6.27_fixes.patch
Unescape View File

@ -1,41 +0,0 @@
--- a/fs/mini_fo/inode.c
+++ b/fs/mini_fo/inode.c
@@ -439,7 +439,7 @@ mini_fo_symlink(inode_t *dir, dentry_t *
int err=0;
dentry_t *hidden_sto_dentry;
dentry_t *hidden_sto_dir_dentry;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27))
umode_t mode;
#endif
@@ -466,7 +466,7 @@ mini_fo_symlink(inode_t *dir, dentry_t *
down(&hidden_sto_dir_dentry->d_inode->i_sem);
#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27))
mode = S_IALLUGO;
err = vfs_symlink(hidden_sto_dir_dentry->d_inode,
hidden_sto_dentry, symname, mode);
@@ -1128,7 +1128,7 @@ void mini_fo_put_link(struct dentry *den
#endif
STATIC int
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27))
mini_fo_permission(inode_t *inode, int mask, struct nameidata *nd)
#else
mini_fo_permission(inode_t *inode, int mask)
@@ -1150,8 +1150,9 @@ mini_fo_permission(inode_t *inode, int m
* if (err)
* goto out;
*/
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
+ err = inode_permission(hidden_inode, mask);
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
err = permission(hidden_inode, mask, nd);
#else
err = permission(hidden_inode, mask);

96
target/linux/generic/patches-2.6.37/214-mini_fo_2.6.29.patch
Unescape View File

@ -1,96 +0,0 @@
--- a/fs/mini_fo/aux.c
+++ b/fs/mini_fo/aux.c
@@ -236,7 +236,7 @@ int mini_fo_cp_cont(dentry_t *tgt_dentry
mntget(src_mnt);
/* open file write only */
- tgt_file = dentry_open(tgt_dentry, tgt_mnt, 0x1);
+ tgt_file = dentry_open(tgt_dentry, tgt_mnt, 0x1, current_cred());
if(!tgt_file || IS_ERR(tgt_file)) {
printk(KERN_CRIT "mini_fo_cp_cont: ERROR opening target file.\n");
err = PTR_ERR(tgt_file);
@@ -244,7 +244,7 @@ int mini_fo_cp_cont(dentry_t *tgt_dentry
}
/* open file read only */
- src_file = dentry_open(src_dentry, src_mnt, 0x0);
+ src_file = dentry_open(src_dentry, src_mnt, 0x0, current_cred());
if(!src_file || IS_ERR(src_file)) {
printk(KERN_CRIT "mini_fo_cp_cont: ERROR opening source file.\n");
err = PTR_ERR(src_file);
--- a/fs/mini_fo/file.c
+++ b/fs/mini_fo/file.c
@@ -437,7 +437,7 @@ mini_fo_open(inode_t *inode, file_t *fil
mntget(stopd(inode->i_sb)->hidden_mnt);
hidden_file = dentry_open(hidden_dentry,
stopd(inode->i_sb)->hidden_mnt,
- hidden_flags);
+ hidden_flags, file->f_cred);
if (IS_ERR(hidden_file)) {
err = PTR_ERR(hidden_file);
dput(hidden_dentry);
@@ -479,7 +479,7 @@ mini_fo_open(inode_t *inode, file_t *fil
mntget(stopd(inode->i_sb)->hidden_mnt);
hidden_file = dentry_open(hidden_dentry,
stopd(inode->i_sb)->hidden_mnt,
- hidden_flags);
+ hidden_flags, file->f_cred);
if (IS_ERR(hidden_file)) {
err = PTR_ERR(hidden_file);
dput(hidden_dentry);
@@ -512,7 +512,7 @@ mini_fo_open(inode_t *inode, file_t *fil
mntget(stopd(inode->i_sb)->hidden_mnt2);
hidden_sto_file = dentry_open(hidden_sto_dentry,
stopd(inode->i_sb)->hidden_mnt2,
- hidden_flags);
+ hidden_flags, file->f_cred);
/* dentry_open dputs the dentry if it fails */
if (IS_ERR(hidden_sto_file)) {
--- a/fs/mini_fo/meta.c
+++ b/fs/mini_fo/meta.c
@@ -56,7 +56,7 @@ int meta_build_lists(dentry_t *dentry)
/* open META-file for reading */
- meta_file = dentry_open(meta_dentry, meta_mnt, 0x0);
+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x0, current_cred());
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_build_lists: \
ERROR opening META file.\n");
@@ -448,7 +448,7 @@ int meta_write_d_entry(dentry_t *dentry,
mntget(meta_mnt);
/* open META-file for writing */
- meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1, current_cred());
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
ERROR opening meta file.\n");
@@ -546,7 +546,7 @@ int meta_write_r_entry(dentry_t *dentry,
mntget(meta_mnt);
/* open META-file for writing */
- meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1, current_cred());
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_write_r_entry: \
ERROR opening meta file.\n");
@@ -686,7 +686,7 @@ int meta_sync_d_list(dentry_t *dentry, i
mntget(meta_mnt);
/* open META-file for writing */
- meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1, current_cred());
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
ERROR opening meta file.\n");
@@ -828,7 +828,7 @@ int meta_sync_r_list(dentry_t *dentry, i
mntget(meta_mnt);
/* open META-file for writing */
- meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1, current_cred());
if(!meta_file || IS_ERR(meta_file)) {
printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
ERROR opening meta file.\n");

157
target/linux/generic/patches-2.6.37/215-mini_fo_2.6.30.patch
Unescape View File

@ -1,157 +0,0 @@
--- a/fs/mini_fo/aux.c
+++ b/fs/mini_fo/aux.c
@@ -86,8 +86,10 @@ int get_neg_sto_dentry(dentry_t *dentry)
len = dentry->d_name.len;
name = dentry->d_name.name;
+ mutex_lock(&dtohd2(dentry->d_parent)->d_inode->i_mutex);
dtohd2(dentry) =
lookup_one_len(name, dtohd2(dentry->d_parent), len);
+ mutex_unlock(&dtohd2(dentry->d_parent)->d_inode->i_mutex);
out:
return err;
@@ -426,7 +428,9 @@ int build_sto_structure(dentry_t *dir, d
const unsigned char *name;
len = dtohd(dentry)->d_name.len;
name = dtohd(dentry)->d_name.name;
+ mutex_lock(&dtohd2(dir)->d_inode->i_mutex);
hidden_sto_dentry = lookup_one_len(name, dtohd2(dir), len);
+ mutex_unlock(&dtohd2(dir)->d_inode->i_mutex);
dtohd2(dentry) = hidden_sto_dentry;
}
--- a/fs/mini_fo/inode.c
+++ b/fs/mini_fo/inode.c
@@ -113,17 +113,23 @@ mini_fo_lookup(inode_t *dir, dentry_t *d
hidden_dir_dentry = hidden_dentry->d_parent;
kfree(bpath);
}
- else if(hidden_dir_dentry && hidden_dir_dentry->d_inode)
+ else if(hidden_dir_dentry && hidden_dir_dentry->d_inode) {
+ mutex_lock(&hidden_dir_dentry->d_inode->i_mutex);
hidden_dentry =
lookup_one_len(name, hidden_dir_dentry, namelen);
- else
+ mutex_unlock(&hidden_dir_dentry->d_inode->i_mutex);
+ } else {
hidden_dentry = NULL;
+ }
- if(hidden_sto_dir_dentry && hidden_sto_dir_dentry->d_inode)
+ if(hidden_sto_dir_dentry && hidden_sto_dir_dentry->d_inode) {
+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
hidden_sto_dentry =
lookup_one_len(name, hidden_sto_dir_dentry, namelen);
- else
+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
+ } else {
hidden_sto_dentry = NULL;
+ }
/* catch error in lookup */
if (IS_ERR(hidden_dentry) || IS_ERR(hidden_sto_dentry)) {
@@ -553,9 +559,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de
#endif
/* Delete an old WOL file contained in the storage dir */
+ mutex_lock(&hidden_sto_dentry->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
hidden_sto_dentry,
strlen(META_FILENAME));
+ mutex_unlock(&hidden_sto_dentry->d_inode->i_mutex);
if(meta_dentry->d_inode) {
err = vfs_unlink(hidden_sto_dentry->d_inode, meta_dentry);
dput(meta_dentry);
@@ -643,9 +651,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de
#endif
/* Delete an old WOL file contained in the storage dir */
+ mutex_lock(&hidden_sto_dentry->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
hidden_sto_dentry,
strlen(META_FILENAME));
+ mutex_unlock(&hidden_sto_dentry->d_inode->i_mutex);
if(meta_dentry->d_inode) {
/* is this necessary? dget(meta_dentry); */
err = vfs_unlink(hidden_sto_dentry->d_inode,
@@ -688,9 +698,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de
#endif
/* Delete an old WOL file contained in the storage dir */
+ mutex_lock(&hidden_sto_dentry->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
hidden_sto_dentry,
strlen(META_FILENAME));
+ mutex_unlock(&hidden_sto_dentry->d_inode->i_mutex);
if(meta_dentry->d_inode) {
/* is this necessary? dget(meta_dentry); */
err = vfs_unlink(hidden_sto_dentry->d_inode,
--- a/fs/mini_fo/meta.c
+++ b/fs/mini_fo/meta.c
@@ -43,9 +43,11 @@ int meta_build_lists(dentry_t *dentry)
/* might there be a META-file? */
if(dtohd2(dentry) && dtohd2(dentry)->d_inode) {
+ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry),
strlen(META_FILENAME));
+ mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
if(!meta_dentry->d_inode) {
dput(meta_dentry);
goto out_ok;
@@ -426,8 +428,11 @@ int meta_write_d_entry(dentry_t *dentry,
goto out;
}
}
+
+ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry), strlen (META_FILENAME));
+ mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
/* We need to create a META-file */
if(!meta_dentry->d_inode) {
@@ -527,9 +532,13 @@ int meta_write_r_entry(dentry_t *dentry,
goto out;
}
}
+
+ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry),
strlen (META_FILENAME));
+ mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
@@ -641,9 +650,13 @@ int meta_sync_d_list(dentry_t *dentry, i
goto out;
}
}
+
+ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry),
strlen(META_FILENAME));
+ mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
@@ -784,9 +797,13 @@ int meta_sync_r_list(dentry_t *dentry, i
goto out;
}
}
+
+ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex);
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry),
strlen(META_FILENAME));
+ mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

25
target/linux/generic/patches-2.6.37/216-mini_fo_locking.patch
Unescape View File

@ -1,25 +0,0 @@
--- a/fs/mini_fo/state.c
+++ b/fs/mini_fo/state.c
@@ -537,17 +537,17 @@ int nondir_mod_to_del(dentry_t *dentry)
dtohd(dentry) = NULL;
dtost(dentry) = DELETED;
- /* add deleted file to META-file */
- meta_add_d_entry(dentry->d_parent,
- dentry->d_name.name,
- dentry->d_name.len);
-
/* was: unlock_dir(hidden_sto_dir_dentry); */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
#else
up(&hidden_sto_dir_dentry->d_inode->i_sem);
#endif
+ /* add deleted file to META-file */
+ meta_add_d_entry(dentry->d_parent,
+ dentry->d_name.name,
+ dentry->d_name.len);
+
dput(hidden_sto_dir_dentry);
out:

45
target/linux/generic/patches-2.6.37/217-mini_fo_2.6.35.patch
Unescape View File

@ -1,45 +0,0 @@
--- a/fs/mini_fo/file.c
+++ b/fs/mini_fo/file.c
@@ -599,7 +599,7 @@ mini_fo_release(inode_t *inode, file_t *
}
STATIC int
-mini_fo_fsync(file_t *file, dentry_t *dentry, int datasync)
+mini_fo_fsync(file_t *file, int datasync)
{
int err1 = 0;
int err2 = 0;
@@ -609,14 +609,14 @@ mini_fo_fsync(file_t *file, dentry_t *de
check_mini_fo_file(file);
if ((hidden_file = ftohf(file)) != NULL) {
- hidden_dentry = dtohd(dentry);
+ hidden_dentry = dtohd(file->f_path.dentry);
if (hidden_file->f_op && hidden_file->f_op->fsync) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
mutex_lock(&hidden_dentry->d_inode->i_mutex);
#else
down(&hidden_dentry->d_inode->i_sem);
#endif
- err1 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync);
+ err1 = hidden_file->f_op->fsync(hidden_file, datasync);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
mutex_unlock(&hidden_dentry->d_inode->i_mutex);
#else
@@ -626,14 +626,14 @@ mini_fo_fsync(file_t *file, dentry_t *de
}
if ((hidden_file = ftohf2(file)) != NULL) {
- hidden_dentry = dtohd2(dentry);
+ hidden_dentry = dtohd2(file->f_path.dentry);
if (hidden_file->f_op && hidden_file->f_op->fsync) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
mutex_lock(&hidden_dentry->d_inode->i_mutex);
#else
down(&hidden_dentry->d_inode->i_sem);
#endif
- err2 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync);
+ err2 = hidden_file->f_op->fsync(hidden_file, datasync);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
mutex_unlock(&hidden_dentry->d_inode->i_mutex);
#else

43
target/linux/generic/patches-2.6.37/217-mini_fo_2.6.36_fixes.patch
Unescape View File

@ -1,43 +0,0 @@
--- a/fs/mini_fo/super.c
+++ b/fs/mini_fo/super.c
@@ -76,7 +76,7 @@ mini_fo_read_inode(inode_t *inode)
* to write some of our own stuff to disk.
*/
STATIC void
-mini_fo_write_inode(inode_t *inode, int sync)
+mini_fo_write_inode(inode_t *inode, struct writeback_control *wbc)
{
print_entry_location();
print_exit_location();
@@ -112,13 +112,14 @@ mini_fo_put_inode(inode_t *inode)
* on our and the lower inode.
*/
STATIC void
-mini_fo_delete_inode(inode_t *inode)
+mini_fo_evict_inode(inode_t *inode)
{
print_entry_location();
- fist_checkinode(inode, "mini_fo_delete_inode IN");
- inode->i_size = 0; /* every f/s seems to do that */
- clear_inode(inode);
+ fist_checkinode(inode, "mini_fo_evict_inode IN");
+ truncate_inode_pages(&inode->i_data, 0); /* FIXME: do we need this? */
+ invalidate_inode_buffers(inode);
+ end_writeback(inode);
print_exit_location();
}
@@ -300,11 +301,10 @@ struct super_operations mini_fo_sops =
put_inode: mini_fo_put_inode,
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) */
#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
- delete_inode: mini_fo_delete_inode,
+ evict_inode: mini_fo_evict_inode,
#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
put_super: mini_fo_put_super,
statfs: mini_fo_statfs,
remount_fs: mini_fo_remount_fs,
- clear_inode: mini_fo_clear_inode,
umount_begin: mini_fo_umount_begin,
};

48
target/linux/generic/patches-2.6.37/218-mini_fo_dentry_check.patch
Unescape View File

@ -1,48 +0,0 @@
--- a/fs/mini_fo/meta.c
+++ b/fs/mini_fo/meta.c
@@ -48,6 +48,9 @@ int meta_build_lists(dentry_t *dentry)
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ goto out_ok;
+
if(!meta_dentry->d_inode) {
dput(meta_dentry);
goto out_ok;
@@ -433,6 +436,8 @@ int meta_write_d_entry(dentry_t *dentry,
meta_dentry = lookup_one_len(META_FILENAME,
dtohd2(dentry), strlen (META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
/* We need to create a META-file */
if(!meta_dentry->d_inode) {
@@ -538,6 +543,8 @@ int meta_write_r_entry(dentry_t *dentry,
dtohd2(dentry),
strlen (META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
@@ -656,6 +663,8 @@ int meta_sync_d_list(dentry_t *dentry, i
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
@@ -803,6 +812,8 @@ int meta_sync_r_list(dentry_t *dentry, i
dtohd2(dentry),
strlen(META_FILENAME));
mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
+ if (IS_ERR(meta_dentry))
+ return PTR_ERR(meta_dentry);
if(!meta_dentry->d_inode) {
/* We need to create a META-file */
Write Preview
Loading…
Cancel
Save