108 lines
3.9 KiB
Diff
108 lines
3.9 KiB
Diff
From: J. R. Okajima <hooanon05@yahoo.co.jp>
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Date: Wed Dec 18 12:37:33 2013 +0900
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Subject: aufs3.x-rcN base patch
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Origin: http://sourceforge.net/p/aufs/aufs3-standalone/ci/7b136a27b021da9010d8b6c101939dd298e46be7/tree/
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Bug-Debian: http://bugs.debian.org/541828
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Patch headers added by debian/patches/features/all/aufs3/gen-patch
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aufs3.x-rcN base patch
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diff --git a/drivers/block/loop.c b/drivers/block/loop.c
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index c8dac73..2e229ac 100644
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--- a/drivers/block/loop.c
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+++ b/drivers/block/loop.c
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@@ -691,6 +691,24 @@ static inline int is_loop_device(struct file *file)
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return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;
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}
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+/*
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+ * for AUFS
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+ * no get/put for file.
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+ */
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+struct file *loop_backing_file(struct super_block *sb)
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+{
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+ struct file *ret;
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+ struct loop_device *l;
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+
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+ ret = NULL;
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+ if (MAJOR(sb->s_dev) == LOOP_MAJOR) {
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+ l = sb->s_bdev->bd_disk->private_data;
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+ ret = l->lo_backing_file;
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+ }
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+ return ret;
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+}
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+EXPORT_SYMBOL_GPL(loop_backing_file);
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+
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/* loop sysfs attributes */
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static ssize_t loop_attr_show(struct device *dev, char *page,
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diff --git a/fs/inode.c b/fs/inode.c
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index 4bcdad3..bc83168 100644
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--- a/fs/inode.c
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+++ b/fs/inode.c
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@@ -1497,7 +1497,7 @@ static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
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* This does the actual work of updating an inodes time or version. Must have
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* had called mnt_want_write() before calling this.
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*/
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-static int update_time(struct inode *inode, struct timespec *time, int flags)
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+int update_time(struct inode *inode, struct timespec *time, int flags)
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{
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if (inode->i_op->update_time)
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return inode->i_op->update_time(inode, time, flags);
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diff --git a/fs/splice.c b/fs/splice.c
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index 46a08f7..719ca3e 100644
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--- a/fs/splice.c
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+++ b/fs/splice.c
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@@ -1093,8 +1093,8 @@ EXPORT_SYMBOL(generic_splice_sendpage);
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/*
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* Attempt to initiate a splice from pipe to file.
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*/
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-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
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- loff_t *ppos, size_t len, unsigned int flags)
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+long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
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+ loff_t *ppos, size_t len, unsigned int flags)
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{
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ssize_t (*splice_write)(struct pipe_inode_info *, struct file *,
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loff_t *, size_t, unsigned int);
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@@ -1110,9 +1110,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
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/*
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* Attempt to initiate a splice from a file to a pipe.
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*/
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-static long do_splice_to(struct file *in, loff_t *ppos,
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- struct pipe_inode_info *pipe, size_t len,
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- unsigned int flags)
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+long do_splice_to(struct file *in, loff_t *ppos,
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+ struct pipe_inode_info *pipe, size_t len,
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+ unsigned int flags)
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{
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ssize_t (*splice_read)(struct file *, loff_t *,
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struct pipe_inode_info *, size_t, unsigned int);
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diff --git a/include/linux/fs.h b/include/linux/fs.h
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index 121f11f..39bf86d 100644
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--- a/include/linux/fs.h
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+++ b/include/linux/fs.h
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@@ -2657,6 +2657,7 @@ extern int inode_change_ok(const struct inode *, struct iattr *);
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extern int inode_newsize_ok(const struct inode *, loff_t offset);
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extern void setattr_copy(struct inode *inode, const struct iattr *attr);
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+extern int update_time(struct inode *, struct timespec *, int);
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extern int file_update_time(struct file *file);
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extern int generic_show_options(struct seq_file *m, struct dentry *root);
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diff --git a/include/linux/splice.h b/include/linux/splice.h
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index 74575cb..bfc6fb6 100644
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--- a/include/linux/splice.h
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+++ b/include/linux/splice.h
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@@ -92,4 +92,10 @@ extern void splice_shrink_spd(struct splice_pipe_desc *);
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extern void spd_release_page(struct splice_pipe_desc *, unsigned int);
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extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
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+
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+extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
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+ loff_t *ppos, size_t len, unsigned int flags);
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+extern long do_splice_to(struct file *in, loff_t *ppos,
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+ struct pipe_inode_info *pipe, size_t len,
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+ unsigned int flags);
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#endif
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