| 1 | #include <linux/module.h>
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| 2 | #include <linux/fs.h>
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| 3 | #include <linux/fs_stack.h>
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| 4 |
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| 5 | |
| 6 | *
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| 7 | * This function cannot be inlined since i_size_{read,write} is rather
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| 8 | * heavy-weight on 32-bit systems
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| 9 |
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| 10 | void fsstack_copy_inode_size(struct inode *dst, const struct inode *src)
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| 11 | {
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| 12 | i_size_write(dst, i_size_read((struct inode *)src));
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| 13 | dst->i_blocks = src->i_blocks;
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| 14 | }
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| 15 | EXPORT_SYMBOL_GPL(fsstack_copy_inode_size);
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| 16 |
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| 17 | |
| 18 | * copying
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| 19 |
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| 20 | void fsstack_copy_attr_all(struct inode *dest, const struct inode *src,
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| 21 | int (*get_nlinks)(struct inode *))
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| 22 | {
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| 23 | dest->i_mode = src->i_mode;
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| 24 | dest->i_uid = src->i_uid;
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| 25 | dest->i_gid = src->i_gid;
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| 26 | dest->i_rdev = src->i_rdev;
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| 27 | dest->i_atime = src->i_atime;
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| 28 | dest->i_mtime = src->i_mtime;
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| 29 | dest->i_ctime = src->i_ctime;
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| 30 | dest->i_blkbits = src->i_blkbits;
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| 31 | dest->i_flags = src->i_flags;
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| 32 |
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| 33 | |
| 34 | * Update the nlinks AFTER updating the above fields, because the
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| 35 | * get_links callback may depend on them.
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| 36 |
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| 37 | if (!get_nlinks)
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| 38 | dest->i_nlink = src->i_nlink;
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| 39 | else
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| 40 | dest->i_nlink = (*get_nlinks)(dest);
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| 41 | }
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| 42 | EXPORT_SYMBOL_GPL(fsstack_copy_attr_all);
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