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- #include <linux/export.h>
- #include <linux/fs.h>
- #include <linux/fs_stack.h>
- void fsstack_copy_inode_size(struct inode *dst, struct inode *src)
- {
- loff_t i_size;
- blkcnt_t i_blocks;
-
- i_size = i_size_read(src);
-
- if (sizeof(i_blocks) > sizeof(long))
- spin_lock(&src->i_lock);
- i_blocks = src->i_blocks;
- if (sizeof(i_blocks) > sizeof(long))
- spin_unlock(&src->i_lock);
-
- if (sizeof(i_size) > sizeof(long) || sizeof(i_blocks) > sizeof(long))
- spin_lock(&dst->i_lock);
- i_size_write(dst, i_size);
- dst->i_blocks = i_blocks;
- if (sizeof(i_size) > sizeof(long) || sizeof(i_blocks) > sizeof(long))
- spin_unlock(&dst->i_lock);
- }
- EXPORT_SYMBOL_GPL(fsstack_copy_inode_size);
- void fsstack_copy_attr_all(struct inode *dest, const struct inode *src)
- {
- dest->i_mode = src->i_mode;
- dest->i_uid = src->i_uid;
- dest->i_gid = src->i_gid;
- dest->i_rdev = src->i_rdev;
- dest->i_atime = src->i_atime;
- dest->i_mtime = src->i_mtime;
- dest->i_ctime = src->i_ctime;
- dest->i_blkbits = src->i_blkbits;
- dest->i_flags = src->i_flags;
- set_nlink(dest, src->i_nlink);
- }
- EXPORT_SYMBOL_GPL(fsstack_copy_attr_all);
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