diff options
Diffstat (limited to 'target/linux/generic/patches-3.6/100-overlayfs.patch')
| -rw-r--r-- | target/linux/generic/patches-3.6/100-overlayfs.patch | 152 |
1 files changed, 65 insertions, 87 deletions
diff --git a/target/linux/generic/patches-3.6/100-overlayfs.patch b/target/linux/generic/patches-3.6/100-overlayfs.patch index dcc1eaacff..5ffeb0ed77 100644 --- a/target/linux/generic/patches-3.6/100-overlayfs.patch +++ b/target/linux/generic/patches-3.6/100-overlayfs.patch @@ -1,7 +1,6 @@ -diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/Locking vfs-3d5a648/Documentation/filesystems/Locking ---- vfs-4cbe5a5/Documentation/filesystems/Locking 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/Documentation/filesystems/Locking 2012-09-05 16:35:20.000000000 +0200 -@@ -64,6 +64,7 @@ +--- a/Documentation/filesystems/Locking ++++ b/Documentation/filesystems/Locking +@@ -64,6 +64,7 @@ prototypes: int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode, int *opened); @@ -9,7 +8,7 @@ diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/Locking vfs-3d5a648/Docu locking rules: all may block -@@ -92,6 +93,7 @@ +@@ -92,6 +93,7 @@ removexattr: yes fiemap: no update_time: no atomic_open: yes @@ -17,9 +16,8 @@ diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/Locking vfs-3d5a648/Docu Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on victim. -diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/overlayfs.txt vfs-3d5a648/Documentation/filesystems/overlayfs.txt ---- vfs-4cbe5a5/Documentation/filesystems/overlayfs.txt 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/Documentation/filesystems/overlayfs.txt 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/Documentation/filesystems/overlayfs.txt @@ -0,0 +1,199 @@ +Written by: Neil Brown <neilb@suse.de> + @@ -220,10 +218,9 @@ diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/overlayfs.txt vfs-3d5a64 +filesystem are not allowed. If the underlying filesystem is changed, +the behavior of the overlay is undefined, though it will not result in +a crash or deadlock. -diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/vfs.txt vfs-3d5a648/Documentation/filesystems/vfs.txt ---- vfs-4cbe5a5/Documentation/filesystems/vfs.txt 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/Documentation/filesystems/vfs.txt 2012-09-05 16:35:20.000000000 +0200 -@@ -363,6 +363,7 @@ +--- a/Documentation/filesystems/vfs.txt ++++ b/Documentation/filesystems/vfs.txt +@@ -363,6 +363,7 @@ struct inode_operations { int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode, int *opened); @@ -231,7 +228,7 @@ diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/vfs.txt vfs-3d5a648/Docu }; Again, all methods are called without any locks being held, unless -@@ -692,6 +693,12 @@ +@@ -692,6 +693,12 @@ struct address_space_operations { but instead uses bmap to find out where the blocks in the file are and uses those addresses directly. @@ -244,10 +241,9 @@ diff -Nur -x .git vfs-4cbe5a5/Documentation/filesystems/vfs.txt vfs-3d5a648/Docu invalidatepage: If a page has PagePrivate set, then invalidatepage will be called when part or all of the page is to be removed -diff -Nur -x .git vfs-4cbe5a5/fs/ecryptfs/main.c vfs-3d5a648/fs/ecryptfs/main.c ---- vfs-4cbe5a5/fs/ecryptfs/main.c 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/ecryptfs/main.c 2012-09-05 16:35:20.000000000 +0200 -@@ -565,6 +565,13 @@ +--- a/fs/ecryptfs/main.c ++++ b/fs/ecryptfs/main.c +@@ -566,6 +566,13 @@ static struct dentry *ecryptfs_mount(str s->s_maxbytes = path.dentry->d_sb->s_maxbytes; s->s_blocksize = path.dentry->d_sb->s_blocksize; s->s_magic = ECRYPTFS_SUPER_MAGIC; @@ -261,10 +257,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/ecryptfs/main.c vfs-3d5a648/fs/ecryptfs/main.c inode = ecryptfs_get_inode(path.dentry->d_inode, s); rc = PTR_ERR(inode); -diff -Nur -x .git vfs-4cbe5a5/fs/internal.h vfs-3d5a648/fs/internal.h ---- vfs-4cbe5a5/fs/internal.h 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/internal.h 2012-09-05 16:35:20.000000000 +0200 -@@ -42,11 +42,6 @@ +--- a/fs/internal.h ++++ b/fs/internal.h +@@ -42,11 +42,6 @@ static inline int __sync_blockdev(struct extern void __init chrdev_init(void); /* @@ -276,10 +271,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/internal.h vfs-3d5a648/fs/internal.h * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); -diff -Nur -x .git vfs-4cbe5a5/fs/Kconfig vfs-3d5a648/fs/Kconfig ---- vfs-4cbe5a5/fs/Kconfig 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/Kconfig 2012-09-05 16:35:20.000000000 +0200 -@@ -67,6 +67,7 @@ +--- a/fs/Kconfig ++++ b/fs/Kconfig +@@ -67,6 +67,7 @@ source "fs/quota/Kconfig" source "fs/autofs4/Kconfig" source "fs/fuse/Kconfig" @@ -287,10 +281,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/Kconfig vfs-3d5a648/fs/Kconfig config CUSE tristate "Character device in Userspace support" -diff -Nur -x .git vfs-4cbe5a5/fs/Makefile vfs-3d5a648/fs/Makefile ---- vfs-4cbe5a5/fs/Makefile 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/Makefile 2012-09-05 16:35:20.000000000 +0200 -@@ -106,6 +106,7 @@ +--- a/fs/Makefile ++++ b/fs/Makefile +@@ -106,6 +106,7 @@ obj-$(CONFIG_QNX6FS_FS) += qnx6/ obj-$(CONFIG_AUTOFS4_FS) += autofs4/ obj-$(CONFIG_ADFS_FS) += adfs/ obj-$(CONFIG_FUSE_FS) += fuse/ @@ -298,10 +291,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/Makefile vfs-3d5a648/fs/Makefile obj-$(CONFIG_UDF_FS) += udf/ obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/ obj-$(CONFIG_OMFS_FS) += omfs/ -diff -Nur -x .git vfs-4cbe5a5/fs/namei.c vfs-3d5a648/fs/namei.c ---- vfs-4cbe5a5/fs/namei.c 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/namei.c 2012-09-05 16:35:20.000000000 +0200 -@@ -348,6 +348,7 @@ +--- a/fs/namei.c ++++ b/fs/namei.c +@@ -348,6 +348,7 @@ int __inode_permission(struct inode *ino return security_inode_permission(inode, mask); } @@ -309,7 +301,7 @@ diff -Nur -x .git vfs-4cbe5a5/fs/namei.c vfs-3d5a648/fs/namei.c /** * sb_permission - Check superblock-level permissions -@@ -2822,9 +2823,12 @@ +@@ -2822,9 +2823,12 @@ finish_open_created: error = may_open(&nd->path, acc_mode, open_flag); if (error) goto out; @@ -325,10 +317,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/namei.c vfs-3d5a648/fs/namei.c if (error == -EOPENSTALE) goto stale_open; goto out; -diff -Nur -x .git vfs-4cbe5a5/fs/namespace.c vfs-3d5a648/fs/namespace.c ---- vfs-4cbe5a5/fs/namespace.c 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/namespace.c 2012-09-05 16:35:20.000000000 +0200 -@@ -1387,6 +1387,24 @@ +--- a/fs/namespace.c ++++ b/fs/namespace.c +@@ -1387,6 +1387,24 @@ void drop_collected_mounts(struct vfsmou release_mounts(&umount_list); } @@ -353,10 +344,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/namespace.c vfs-3d5a648/fs/namespace.c int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg, struct vfsmount *root) { -diff -Nur -x .git vfs-4cbe5a5/fs/open.c vfs-3d5a648/fs/open.c ---- vfs-4cbe5a5/fs/open.c 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/open.c 2012-09-05 16:35:20.000000000 +0200 -@@ -787,8 +787,7 @@ +--- a/fs/open.c ++++ b/fs/open.c +@@ -787,8 +787,7 @@ struct file *dentry_open(const struct pa return ERR_PTR(error); f->f_flags = flags; @@ -366,7 +356,7 @@ diff -Nur -x .git vfs-4cbe5a5/fs/open.c vfs-3d5a648/fs/open.c if (!error) { error = open_check_o_direct(f); if (error) { -@@ -803,6 +802,26 @@ +@@ -803,6 +802,26 @@ struct file *dentry_open(const struct pa } EXPORT_SYMBOL(dentry_open); @@ -393,9 +383,8 @@ diff -Nur -x .git vfs-4cbe5a5/fs/open.c vfs-3d5a648/fs/open.c static void __put_unused_fd(struct files_struct *files, unsigned int fd) { struct fdtable *fdt = files_fdtable(files); -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/copy_up.c vfs-3d5a648/fs/overlayfs/copy_up.c ---- vfs-4cbe5a5/fs/overlayfs/copy_up.c 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/copy_up.c 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/copy_up.c @@ -0,0 +1,385 @@ +/* + * @@ -782,9 +771,8 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/copy_up.c vfs-3d5a648/fs/overlayfs/co + dput(parent); + return err; +} -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/dir.c vfs-3d5a648/fs/overlayfs/dir.c ---- vfs-4cbe5a5/fs/overlayfs/dir.c 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/dir.c 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/dir.c @@ -0,0 +1,604 @@ +/* + * @@ -1390,9 +1378,8 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/dir.c vfs-3d5a648/fs/overlayfs/dir.c + .listxattr = ovl_listxattr, + .removexattr = ovl_removexattr, +}; -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/inode.c vfs-3d5a648/fs/overlayfs/inode.c ---- vfs-4cbe5a5/fs/overlayfs/inode.c 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/inode.c 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/inode.c @@ -0,0 +1,372 @@ +/* + * @@ -1766,17 +1753,15 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/inode.c vfs-3d5a648/fs/overlayfs/inod + return inode; + +} -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/Kconfig vfs-3d5a648/fs/overlayfs/Kconfig ---- vfs-4cbe5a5/fs/overlayfs/Kconfig 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/Kconfig 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/Kconfig @@ -0,0 +1,4 @@ +config OVERLAYFS_FS + tristate "Overlay filesystem support" + help + Add support for overlay filesystem. -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/Makefile vfs-3d5a648/fs/overlayfs/Makefile ---- vfs-4cbe5a5/fs/overlayfs/Makefile 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/Makefile 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the overlay filesystem. @@ -1785,9 +1770,8 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/Makefile vfs-3d5a648/fs/overlayfs/Mak +obj-$(CONFIG_OVERLAYFS_FS) += overlayfs.o + +overlayfs-objs := super.o inode.o dir.o readdir.o copy_up.o -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/overlayfs.h vfs-3d5a648/fs/overlayfs/overlayfs.h ---- vfs-4cbe5a5/fs/overlayfs/overlayfs.h 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/overlayfs.h 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/overlayfs.h @@ -0,0 +1,70 @@ +/* + * @@ -1859,9 +1843,8 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/overlayfs.h vfs-3d5a648/fs/overlayfs/ +/* copy_up.c */ +int ovl_copy_up(struct dentry *dentry); +int ovl_copy_up_truncate(struct dentry *dentry, loff_t size); -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/readdir.c vfs-3d5a648/fs/overlayfs/readdir.c ---- vfs-4cbe5a5/fs/overlayfs/readdir.c 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/readdir.c 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/readdir.c @@ -0,0 +1,566 @@ +/* + * @@ -2429,9 +2412,8 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/readdir.c vfs-3d5a648/fs/overlayfs/re + + return err; +} -diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/super.c vfs-3d5a648/fs/overlayfs/super.c ---- vfs-4cbe5a5/fs/overlayfs/super.c 1970-01-01 01:00:00.000000000 +0100 -+++ vfs-3d5a648/fs/overlayfs/super.c 2012-09-05 16:35:20.000000000 +0200 +--- /dev/null ++++ b/fs/overlayfs/super.c @@ -0,0 +1,685 @@ +/* + * @@ -3118,10 +3100,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/overlayfs/super.c vfs-3d5a648/fs/overlayfs/supe + +module_init(ovl_init); +module_exit(ovl_exit); -diff -Nur -x .git vfs-4cbe5a5/fs/splice.c vfs-3d5a648/fs/splice.c ---- vfs-4cbe5a5/fs/splice.c 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/fs/splice.c 2012-09-05 16:35:20.000000000 +0200 -@@ -1308,6 +1308,7 @@ +--- a/fs/splice.c ++++ b/fs/splice.c +@@ -1308,6 +1308,7 @@ long do_splice_direct(struct file *in, l return ret; } @@ -3129,10 +3110,9 @@ diff -Nur -x .git vfs-4cbe5a5/fs/splice.c vfs-3d5a648/fs/splice.c static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe, struct pipe_inode_info *opipe, -diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h ---- vfs-4cbe5a5/include/linux/fs.h 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/include/linux/fs.h 2012-09-05 16:35:20.000000000 +0200 -@@ -505,6 +505,12 @@ +--- a/include/linux/fs.h ++++ b/include/linux/fs.h +@@ -505,6 +505,12 @@ struct iattr { */ #include <linux/quota.h> @@ -3145,7 +3125,7 @@ diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h /** * enum positive_aop_returns - aop return codes with specific semantics * -@@ -1578,6 +1584,11 @@ +@@ -1578,6 +1584,11 @@ struct super_block { /* Being remounted read-only */ int s_readonly_remount; @@ -3157,7 +3137,7 @@ diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h }; /* superblock cache pruning functions */ -@@ -1835,6 +1846,7 @@ +@@ -1835,6 +1846,7 @@ struct inode_operations { int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode, int *opened); @@ -3165,7 +3145,7 @@ diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h } ____cacheline_aligned; struct seq_file; -@@ -2199,6 +2211,7 @@ +@@ -2199,6 +2211,7 @@ extern long do_sys_open(int dfd, const c extern struct file *filp_open(const char *, int, umode_t); extern struct file *file_open_root(struct dentry *, struct vfsmount *, const char *, int); @@ -3173,7 +3153,7 @@ diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h extern struct file * dentry_open(const struct path *, int, const struct cred *); extern int filp_close(struct file *, fl_owner_t id); extern char * getname(const char __user *); -@@ -2402,6 +2415,7 @@ +@@ -2402,6 +2415,7 @@ extern sector_t bmap(struct inode *, sec #endif extern int notify_change(struct dentry *, struct iattr *); extern int inode_permission(struct inode *, int); @@ -3181,10 +3161,9 @@ diff -Nur -x .git vfs-4cbe5a5/include/linux/fs.h vfs-3d5a648/include/linux/fs.h extern int generic_permission(struct inode *, int); static inline bool execute_ok(struct inode *inode) -diff -Nur -x .git vfs-4cbe5a5/include/linux/mount.h vfs-3d5a648/include/linux/mount.h ---- vfs-4cbe5a5/include/linux/mount.h 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/include/linux/mount.h 2012-09-05 16:35:20.000000000 +0200 -@@ -66,6 +66,9 @@ +--- a/include/linux/mount.h ++++ b/include/linux/mount.h +@@ -66,6 +66,9 @@ extern void mnt_pin(struct vfsmount *mnt extern void mnt_unpin(struct vfsmount *mnt); extern int __mnt_is_readonly(struct vfsmount *mnt); @@ -3194,10 +3173,9 @@ diff -Nur -x .git vfs-4cbe5a5/include/linux/mount.h vfs-3d5a648/include/linux/mo struct file_system_type; extern struct vfsmount *vfs_kern_mount(struct file_system_type *type, int flags, const char *name, -diff -Nur -x .git vfs-4cbe5a5/MAINTAINERS vfs-3d5a648/MAINTAINERS ---- vfs-4cbe5a5/MAINTAINERS 2012-09-01 19:39:58.000000000 +0200 -+++ vfs-3d5a648/MAINTAINERS 2012-09-05 16:35:20.000000000 +0200 -@@ -5103,6 +5103,13 @@ +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -5105,6 +5105,13 @@ F: drivers/scsi/osd/ F: include/scsi/osd_* F: fs/exofs/ |