diff options
Diffstat (limited to 'debian/patches/features/all/aufs4/aufs4-base.patch')
-rw-r--r-- | debian/patches/features/all/aufs4/aufs4-base.patch | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/debian/patches/features/all/aufs4/aufs4-base.patch b/debian/patches/features/all/aufs4/aufs4-base.patch new file mode 100644 index 000000000..c0e036a73 --- /dev/null +++ b/debian/patches/features/all/aufs4/aufs4-base.patch @@ -0,0 +1,328 @@ +From: J. R. Okajima <hooanon05@yahoo.co.jp> +Date: Tue Sep 3 14:14:09 2019 +0900 +Subject: aufs4.19.63+ base patch +Origin: https://github.com/sfjro/aufs4-standalone/tree/6c582cc629cbfb4fac5bfc7d20db128c7d201da6 +Bug-Debian: https://bugs.debian.org/541828 + +Patch headers added by debian/bin/genpatch-aufs + +SPDX-License-Identifier: GPL-2.0 +aufs4.19.63+ base patch + +diff --git a/MAINTAINERS b/MAINTAINERS +index 11a59e82d92e..573d5b42b28b 100644 +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -2605,6 +2605,19 @@ F: include/linux/audit.h + F: include/uapi/linux/audit.h + F: kernel/audit* + ++AUFS (advanced multi layered unification filesystem) FILESYSTEM ++M: "J. R. Okajima" <hooanon05g@gmail.com> ++L: aufs-users@lists.sourceforge.net (members only) ++L: linux-unionfs@vger.kernel.org ++W: http://aufs.sourceforge.net ++T: git://github.com/sfjro/aufs4-linux.git ++S: Supported ++F: Documentation/filesystems/aufs/ ++F: Documentation/ABI/testing/debugfs-aufs ++F: Documentation/ABI/testing/sysfs-aufs ++F: fs/aufs/ ++F: include/uapi/linux/aufs_type.h ++ + AUXILIARY DISPLAY DRIVERS + M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com> + S: Maintained +diff --git a/drivers/block/loop.c b/drivers/block/loop.c +index f1e63eb7cbca..b732df5f14f3 100644 +--- a/drivers/block/loop.c ++++ b/drivers/block/loop.c +@@ -739,6 +739,24 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev, + return error; + } + ++/* ++ * for AUFS ++ * no get/put for file. ++ */ ++struct file *loop_backing_file(struct super_block *sb) ++{ ++ struct file *ret; ++ struct loop_device *l; ++ ++ ret = NULL; ++ if (MAJOR(sb->s_dev) == LOOP_MAJOR) { ++ l = sb->s_bdev->bd_disk->private_data; ++ ret = l->lo_backing_file; ++ } ++ return ret; ++} ++EXPORT_SYMBOL_GPL(loop_backing_file); ++ + /* loop sysfs attributes */ + + static ssize_t loop_attr_show(struct device *dev, char *page, +diff --git a/fs/dcache.c b/fs/dcache.c +index 6e0022326afe..3bd53094ac3d 100644 +--- a/fs/dcache.c ++++ b/fs/dcache.c +@@ -1234,7 +1234,7 @@ enum d_walk_ret { + * + * The @enter() callbacks are called with d_lock held. + */ +-static void d_walk(struct dentry *parent, void *data, ++void d_walk(struct dentry *parent, void *data, + enum d_walk_ret (*enter)(void *, struct dentry *)) + { + struct dentry *this_parent; +diff --git a/fs/fcntl.c b/fs/fcntl.c +index 4137d96534a6..c91b3e3c4580 100644 +--- a/fs/fcntl.c ++++ b/fs/fcntl.c +@@ -32,7 +32,7 @@ + + #define SETFL_MASK (O_APPEND | O_NONBLOCK | O_NDELAY | O_DIRECT | O_NOATIME) + +-static int setfl(int fd, struct file * filp, unsigned long arg) ++int setfl(int fd, struct file * filp, unsigned long arg) + { + struct inode * inode = file_inode(filp); + int error = 0; +@@ -63,6 +63,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg) + + if (filp->f_op->check_flags) + error = filp->f_op->check_flags(arg); ++ if (!error && filp->f_op->setfl) ++ error = filp->f_op->setfl(filp, arg); + if (error) + return error; + +diff --git a/fs/inode.c b/fs/inode.c +index 5c63693326bb..43046d7223e4 100644 +--- a/fs/inode.c ++++ b/fs/inode.c +@@ -1657,7 +1657,7 @@ EXPORT_SYMBOL(generic_update_time); + * This does the actual work of updating an inodes time or version. Must have + * had called mnt_want_write() before calling this. + */ +-static int update_time(struct inode *inode, struct timespec64 *time, int flags) ++int update_time(struct inode *inode, struct timespec64 *time, int flags) + { + int (*update_time)(struct inode *, struct timespec64 *, int); + +diff --git a/fs/namespace.c b/fs/namespace.c +index 1fce41ba3535..fbd7edd49a2f 100644 +--- a/fs/namespace.c ++++ b/fs/namespace.c +@@ -770,6 +770,12 @@ static inline int check_mnt(struct mount *mnt) + return mnt->mnt_ns == current->nsproxy->mnt_ns; + } + ++/* for aufs, CONFIG_AUFS_BR_FUSE */ ++int is_current_mnt_ns(struct vfsmount *mnt) ++{ ++ return check_mnt(real_mount(mnt)); ++} ++ + /* + * vfsmount lock must be held for write + */ +diff --git a/fs/read_write.c b/fs/read_write.c +index 85fd7a8ee29e..c1335b4f19c0 100644 +--- a/fs/read_write.c ++++ b/fs/read_write.c +@@ -489,6 +489,28 @@ ssize_t __vfs_write(struct file *file, const char __user *p, size_t count, + return -EINVAL; + } + ++vfs_readf_t vfs_readf(struct file *file) ++{ ++ const struct file_operations *fop = file->f_op; ++ ++ if (fop->read) ++ return fop->read; ++ if (fop->read_iter) ++ return new_sync_read; ++ return ERR_PTR(-ENOSYS); ++} ++ ++vfs_writef_t vfs_writef(struct file *file) ++{ ++ const struct file_operations *fop = file->f_op; ++ ++ if (fop->write) ++ return fop->write; ++ if (fop->write_iter) ++ return new_sync_write; ++ return ERR_PTR(-ENOSYS); ++} ++ + ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos) + { + mm_segment_t old_fs; +diff --git a/fs/splice.c b/fs/splice.c +index 485e409ef841..b2c2d320565b 100644 +--- a/fs/splice.c ++++ b/fs/splice.c +@@ -838,8 +838,8 @@ EXPORT_SYMBOL(generic_splice_sendpage); + /* + * Attempt to initiate a splice from pipe to file. + */ +-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out, +- loff_t *ppos, size_t len, unsigned int flags) ++long do_splice_from(struct pipe_inode_info *pipe, struct file *out, ++ loff_t *ppos, size_t len, unsigned int flags) + { + ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, + loff_t *, size_t, unsigned int); +@@ -855,9 +855,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out, + /* + * Attempt to initiate a splice from a file to a pipe. + */ +-static long do_splice_to(struct file *in, loff_t *ppos, +- struct pipe_inode_info *pipe, size_t len, +- unsigned int flags) ++long do_splice_to(struct file *in, loff_t *ppos, ++ struct pipe_inode_info *pipe, size_t len, ++ unsigned int flags) + { + ssize_t (*splice_read)(struct file *, loff_t *, + struct pipe_inode_info *, size_t, unsigned int); +diff --git a/fs/sync.c b/fs/sync.c +index b54e0541ad89..28607828e96f 100644 +--- a/fs/sync.c ++++ b/fs/sync.c +@@ -28,7 +28,7 @@ + * wait == 1 case since in that case write_inode() functions do + * sync_dirty_buffer() and thus effectively write one block at a time. + */ +-static int __sync_filesystem(struct super_block *sb, int wait) ++int __sync_filesystem(struct super_block *sb, int wait) + { + if (wait) + sync_inodes_sb(sb); +diff --git a/include/linux/fs.h b/include/linux/fs.h +index 92420009b9bc..ecad33c40cae 100644 +--- a/include/linux/fs.h ++++ b/include/linux/fs.h +@@ -1295,6 +1295,7 @@ extern void fasync_free(struct fasync_struct *); + /* can be called from interrupts */ + extern void kill_fasync(struct fasync_struct **, int, int); + ++extern int setfl(int fd, struct file * filp, unsigned long arg); + extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int force); + extern int f_setown(struct file *filp, unsigned long arg, int force); + extern void f_delown(struct file *filp); +@@ -1759,6 +1760,7 @@ struct file_operations { + ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); + unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); + int (*check_flags)(int); ++ int (*setfl)(struct file *, unsigned long); + int (*flock) (struct file *, int, struct file_lock *); + ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int); + ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); +@@ -1830,6 +1832,12 @@ ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, + struct iovec *fast_pointer, + struct iovec **ret_pointer); + ++typedef ssize_t (*vfs_readf_t)(struct file *, char __user *, size_t, loff_t *); ++typedef ssize_t (*vfs_writef_t)(struct file *, const char __user *, size_t, ++ loff_t *); ++vfs_readf_t vfs_readf(struct file *file); ++vfs_writef_t vfs_writef(struct file *file); ++ + extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *); + extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *); + extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *); +@@ -2255,6 +2263,7 @@ extern int current_umask(void); + extern void ihold(struct inode * inode); + extern void iput(struct inode *); + extern int generic_update_time(struct inode *, struct timespec64 *, int); ++extern int update_time(struct inode *, struct timespec64 *, int); + + /* /sys/fs */ + extern struct kobject *fs_kobj; +@@ -2542,6 +2551,7 @@ static inline bool sb_is_blkdev_sb(struct super_block *sb) + return false; + } + #endif ++extern int __sync_filesystem(struct super_block *, int); + extern int sync_filesystem(struct super_block *); + extern const struct file_operations def_blk_fops; + extern const struct file_operations def_chr_fops; +diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h +index b0d0b51c4d85..f73ffaa0199e 100644 +--- a/include/linux/lockdep.h ++++ b/include/linux/lockdep.h +@@ -313,6 +313,8 @@ static inline int lockdep_match_key(struct lockdep_map *lock, + return lock->key == key; + } + ++struct lock_class *lockdep_hlock_class(struct held_lock *hlock); ++ + /* + * Acquire a lock. + * +@@ -439,6 +441,7 @@ struct lockdep_map { }; + + #define lockdep_depth(tsk) (0) + ++#define lockdep_is_held(lock) (1) + #define lockdep_is_held_type(l, r) (1) + + #define lockdep_assert_held(l) do { (void)(l); } while (0) +diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h +index 35942084cd40..24f5fd1a789d 100644 +--- a/include/linux/mnt_namespace.h ++++ b/include/linux/mnt_namespace.h +@@ -6,11 +6,14 @@ + struct mnt_namespace; + struct fs_struct; + struct user_namespace; ++struct vfsmount; + + extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *, + struct user_namespace *, struct fs_struct *); + extern void put_mnt_ns(struct mnt_namespace *ns); + ++extern int is_current_mnt_ns(struct vfsmount *mnt); ++ + extern const struct file_operations proc_mounts_operations; + extern const struct file_operations proc_mountinfo_operations; + extern const struct file_operations proc_mountstats_operations; +diff --git a/include/linux/splice.h b/include/linux/splice.h +index 74b4911ac16d..19789fbea567 100644 +--- a/include/linux/splice.h ++++ b/include/linux/splice.h +@@ -87,4 +87,10 @@ extern void splice_shrink_spd(struct splice_pipe_desc *); + + extern const struct pipe_buf_operations page_cache_pipe_buf_ops; + extern const struct pipe_buf_operations default_pipe_buf_ops; ++ ++extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out, ++ loff_t *ppos, size_t len, unsigned int flags); ++extern long do_splice_to(struct file *in, loff_t *ppos, ++ struct pipe_inode_info *pipe, size_t len, ++ unsigned int flags); + #endif +diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c +index e810e8cb17e1..d0c9931e6531 100644 +--- a/kernel/locking/lockdep.c ++++ b/kernel/locking/lockdep.c +@@ -140,7 +140,7 @@ static struct lock_list list_entries[MAX_LOCKDEP_ENTRIES]; + unsigned long nr_lock_classes; + static struct lock_class lock_classes[MAX_LOCKDEP_KEYS]; + +-static inline struct lock_class *hlock_class(struct held_lock *hlock) ++inline struct lock_class *lockdep_hlock_class(struct held_lock *hlock) + { + if (!hlock->class_idx) { + /* +@@ -151,6 +151,7 @@ static inline struct lock_class *hlock_class(struct held_lock *hlock) + } + return lock_classes + hlock->class_idx - 1; + } ++#define hlock_class(hlock) lockdep_hlock_class(hlock) + + #ifdef CONFIG_LOCK_STAT + static DEFINE_PER_CPU(struct lock_class_stats[MAX_LOCKDEP_KEYS], cpu_lock_stats); |