From 96f8c15a36dbdde14df63e2e7dfea7a819716428 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Mon, 1 Jul 2013 13:21:06 +0000 Subject: kernel: update linux 3.10 to 3.10 final 3.10 final is out, so refresh patches and add md5sum. Signed-off-by: Jonas Gorski SVN-Revision: 37116 --- .../linux/generic/patches-3.10/100-overlayfs.patch | 109 ++++++++++++++------- 1 file changed, 75 insertions(+), 34 deletions(-) (limited to 'target/linux/generic/patches-3.10/100-overlayfs.patch') diff --git a/target/linux/generic/patches-3.10/100-overlayfs.patch b/target/linux/generic/patches-3.10/100-overlayfs.patch index e8896aa9e3..5d1c5f6d38 100644 --- a/target/linux/generic/patches-3.10/100-overlayfs.patch +++ b/target/linux/generic/patches-3.10/100-overlayfs.patch @@ -243,7 +243,7 @@ will be called when part or all of the page is to be removed --- a/MAINTAINERS +++ b/MAINTAINERS -@@ -6009,6 +6009,13 @@ F: drivers/scsi/osd/ +@@ -6019,6 +6019,13 @@ F: drivers/scsi/osd/ F: include/scsi/osd_* F: fs/exofs/ @@ -287,7 +287,7 @@ + + rc = -EINVAL; + if (s->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) { -+ printk(KERN_ERR "eCryptfs: maximum fs stacking depth exceeded\n"); ++ pr_err("eCryptfs: maximum fs stacking depth exceeded\n"); + goto out_free; + } @@ -307,6 +307,19 @@ * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); +@@ -132,12 +127,6 @@ extern struct dentry *__d_alloc(struct s + extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *); + + /* +- * splice.c +- */ +-extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, +- loff_t *opos, size_t len, unsigned int flags); +- +-/* + * pipe.c + */ + extern const struct file_operations pipefifo_fops; --- a/fs/namei.c +++ b/fs/namei.c @@ -402,6 +402,7 @@ int __inode_permission(struct inode *ino @@ -335,10 +348,19 @@ goto out; --- a/fs/namespace.c +++ b/fs/namespace.c -@@ -1442,6 +1442,24 @@ void drop_collected_mounts(struct vfsmou +@@ -1442,6 +1442,33 @@ void drop_collected_mounts(struct vfsmou namespace_unlock(); } ++/** ++ * clone_private_mount - create a private clone of a path ++ * ++ * This creates a new vfsmount, which will be the clone of @path. The new will ++ * not be attached anywhere in the namespace and will be private (i.e. changes ++ * to the originating mount won't be propagated into this). ++ * ++ * Release with mntput(). ++ */ +struct vfsmount *clone_private_mount(struct path *path) +{ + struct mount *old_mnt = real_mount(path->mnt); @@ -350,8 +372,8 @@ + down_read(&namespace_sem); + new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE); + up_read(&namespace_sem); -+ if (!new_mnt) -+ return ERR_PTR(-ENOMEM); ++ if (IS_ERR(new_mnt)) ++ return ERR_CAST(new_mnt); + + return &new_mnt->mnt; +} @@ -401,11 +423,17 @@ int lookup_flags = 0; --- /dev/null +++ b/fs/overlayfs/Kconfig -@@ -0,0 +1,4 @@ +@@ -0,0 +1,10 @@ +config OVERLAYFS_FS + tristate "Overlay filesystem support" + help -+ Add support for overlay filesystem. ++ An overlay filesystem combines two filesystems - an 'upper' filesystem ++ and a 'lower' filesystem. When a name exists in both filesystems, the ++ object in the 'upper' filesystem is visible while the object in the ++ 'lower' filesystem is either hidden or, in the case of directories, ++ merged with the 'upper' object. ++ ++ For more information see Documentation/filesystems/overlayfs.txt --- /dev/null +++ b/fs/overlayfs/Makefile @@ -0,0 +1,7 @@ @@ -418,7 +446,7 @@ +overlayfs-objs := super.o inode.o dir.o readdir.o copy_up.o --- /dev/null +++ b/fs/overlayfs/copy_up.c -@@ -0,0 +1,385 @@ +@@ -0,0 +1,387 @@ +/* + * + * Copyright (C) 2011 Novell Inc. @@ -494,6 +522,8 @@ +{ + struct file *old_file; + struct file *new_file; ++ loff_t old_pos = 0; ++ loff_t new_pos = 0; + int error = 0; + + if (len == 0) @@ -511,7 +541,6 @@ + + /* FIXME: copy up sparse files efficiently */ + while (len) { -+ loff_t offset = new_file->f_pos; + size_t this_len = OVL_COPY_UP_CHUNK_SIZE; + long bytes; + @@ -523,8 +552,9 @@ + break; + } + -+ bytes = do_splice_direct(old_file, &offset, new_file, this_len, -+ SPLICE_F_MOVE); ++ bytes = do_splice_direct(old_file, &old_pos, ++ new_file, &new_pos, ++ this_len, SPLICE_F_MOVE); + if (bytes <= 0) { + error = bytes; + break; @@ -806,7 +836,7 @@ +} --- /dev/null +++ b/fs/overlayfs/dir.c -@@ -0,0 +1,604 @@ +@@ -0,0 +1,605 @@ +/* + * + * Copyright (C) 2011 Novell Inc. @@ -881,7 +911,7 @@ + * There's no way to recover from failure to whiteout. + * What should we do? Log a big fat error and... ? + */ -+ printk(KERN_ERR "overlayfs: ERROR - failed to whiteout '%s'\n", ++ pr_err("overlayfs: ERROR - failed to whiteout '%s'\n", + dentry->d_name.name); + } + @@ -1254,8 +1284,10 @@ + } + newinode = ovl_new_inode(old->d_sb, newdentry->d_inode->i_mode, + new->d_fsdata); -+ if (!newinode) ++ if (!newinode) { ++ err = -ENOMEM; + goto link_fail; ++ } + ovl_copyattr(upperdir->d_inode, newinode); + + ovl_dentry_version_inc(new->d_parent); @@ -1272,7 +1304,6 @@ + mutex_unlock(&upperdir->d_inode->i_mutex); +out: + return err; -+ +} + +static int ovl_rename(struct inode *olddir, struct dentry *old, @@ -2218,7 +2249,7 @@ + loff_t res; + struct ovl_dir_file *od = file->private_data; + -+ mutex_lock(&file->f_dentry->d_inode->i_mutex); ++ mutex_lock(&file_inode(file)->i_mutex); + if (!file->f_pos) + ovl_dir_reset(file); + @@ -2248,7 +2279,7 @@ + res = offset; + } +out_unlock: -+ mutex_unlock(&file->f_dentry->d_inode->i_mutex); ++ mutex_unlock(&file_inode(file)->i_mutex); + + return res; +} @@ -2394,7 +2425,7 @@ + + dentry = lookup_one_len(p->name, upperdir, p->len); + if (IS_ERR(dentry)) { -+ printk(KERN_WARNING ++ pr_warn( + "overlayfs: failed to lookup whiteout %.*s: %li\n", + p->len, p->name, PTR_ERR(dentry)); + continue; @@ -2402,7 +2433,7 @@ + ret = vfs_unlink(upperdir->d_inode, dentry); + dput(dentry); + if (ret) -+ printk(KERN_WARNING ++ pr_warn( + "overlayfs: failed to unlink whiteout %.*s: %i\n", + p->len, p->name, ret); + } @@ -2818,7 +2849,6 @@ + +struct file *ovl_path_open(struct path *path, int flags) +{ -+ path_get(path); + return dentry_open(path, flags, current_cred()); +} + @@ -2906,15 +2936,15 @@ +}; + +enum { -+ Opt_lowerdir, -+ Opt_upperdir, -+ Opt_err, ++ OPT_LOWERDIR, ++ OPT_UPPERDIR, ++ OPT_ERR, +}; + +static const match_table_t ovl_tokens = { -+ {Opt_lowerdir, "lowerdir=%s"}, -+ {Opt_upperdir, "upperdir=%s"}, -+ {Opt_err, NULL} ++ {OPT_LOWERDIR, "lowerdir=%s"}, ++ {OPT_UPPERDIR, "upperdir=%s"}, ++ {OPT_ERR, NULL} +}; + +static int ovl_parse_opt(char *opt, struct ovl_config *config) @@ -2933,14 +2963,14 @@ + + token = match_token(p, ovl_tokens, args); + switch (token) { -+ case Opt_upperdir: ++ case OPT_UPPERDIR: + kfree(config->upperdir); + config->upperdir = match_strdup(&args[0]); + if (!config->upperdir) + return -ENOMEM; + break; + -+ case Opt_lowerdir: ++ case OPT_LOWERDIR: + kfree(config->lowerdir); + config->lowerdir = match_strdup(&args[0]); + if (!config->lowerdir) @@ -2976,7 +3006,7 @@ + + err = -EINVAL; + if (!ufs->config.upperdir || !ufs->config.lowerdir) { -+ printk(KERN_ERR "overlayfs: missing upperdir or lowerdir\n"); ++ pr_err("overlayfs: missing upperdir or lowerdir\n"); + goto out_free_config; + } + @@ -2999,7 +3029,7 @@ + + err = vfs_statfs(&lowerpath, &statfs); + if (err) { -+ printk(KERN_ERR "overlayfs: statfs failed on lowerpath\n"); ++ pr_err("overlayfs: statfs failed on lowerpath\n"); + goto out_put_lowerpath; + } + ufs->lower_namelen = statfs.f_namelen; @@ -3009,7 +3039,7 @@ + + err = -EINVAL; + if (sb->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) { -+ printk(KERN_ERR "overlayfs: maximum fs stacking depth exceeded\n"); ++ pr_err("overlayfs: maximum fs stacking depth exceeded\n"); + goto out_put_lowerpath; + } + @@ -3017,14 +3047,14 @@ + ufs->upper_mnt = clone_private_mount(&upperpath); + err = PTR_ERR(ufs->upper_mnt); + if (IS_ERR(ufs->upper_mnt)) { -+ printk(KERN_ERR "overlayfs: failed to clone upperpath\n"); ++ pr_err("overlayfs: failed to clone upperpath\n"); + goto out_put_lowerpath; + } + + ufs->lower_mnt = clone_private_mount(&lowerpath); + err = PTR_ERR(ufs->lower_mnt); + if (IS_ERR(ufs->lower_mnt)) { -+ printk(KERN_ERR "overlayfs: failed to clone lowerpath\n"); ++ pr_err("overlayfs: failed to clone lowerpath\n"); + goto out_put_upper_mnt; + } + @@ -3103,6 +3133,7 @@ + .mount = ovl_mount, + .kill_sb = kill_anon_super, +}; ++MODULE_ALIAS_FS("overlayfs"); + +static int __init ovl_init(void) +{ @@ -3118,7 +3149,7 @@ +module_exit(ovl_exit); --- a/fs/splice.c +++ b/fs/splice.c -@@ -1311,6 +1311,7 @@ long do_splice_direct(struct file *in, l +@@ -1313,6 +1313,7 @@ long do_splice_direct(struct file *in, l return ret; } @@ -3177,6 +3208,16 @@ extern int generic_permission(struct inode *, int); static inline bool execute_ok(struct inode *inode) +@@ -2414,6 +2428,9 @@ extern ssize_t generic_file_splice_write + struct file *, loff_t *, size_t, unsigned int); + extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe, + struct file *out, loff_t *, size_t len, unsigned int flags); ++extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, ++ loff_t *opos, size_t len, unsigned int flags); ++ + + extern void + file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -68,6 +68,9 @@ extern void mnt_pin(struct vfsmount *mnt -- cgit v1.2.3