symlink.c 1.3 KB

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  1. /*
  2. * linux/fs/ext2/symlink.c
  3. *
  4. * Only fast symlinks left here - the rest is done by generic code. AV, 1999
  5. *
  6. * Copyright (C) 1992, 1993, 1994, 1995
  7. * Remy Card (card@masi.ibp.fr)
  8. * Laboratoire MASI - Institut Blaise Pascal
  9. * Universite Pierre et Marie Curie (Paris VI)
  10. *
  11. * from
  12. *
  13. * linux/fs/minix/symlink.c
  14. *
  15. * Copyright (C) 1991, 1992 Linus Torvalds
  16. *
  17. * ext2 symlink handling code
  18. */
  19. #include "ext2.h"
  20. #include "xattr.h"
  21. #include <linux/namei.h>
  22. static void *ext2_follow_link(struct dentry *dentry, struct nameidata *nd)
  23. {
  24. struct ext2_inode_info *ei = EXT2_I(dentry->d_inode);
  25. nd_set_link(nd, (char *)ei->i_data);
  26. return NULL;
  27. }
  28. const struct inode_operations ext2_symlink_inode_operations = {
  29. .readlink = generic_readlink,
  30. .follow_link = page_follow_link_light,
  31. .put_link = page_put_link,
  32. #ifdef CONFIG_EXT2_FS_XATTR
  33. .setxattr = generic_setxattr,
  34. .getxattr = generic_getxattr,
  35. .listxattr = ext2_listxattr,
  36. .removexattr = generic_removexattr,
  37. #endif
  38. };
  39. const struct inode_operations ext2_fast_symlink_inode_operations = {
  40. .readlink = generic_readlink,
  41. .follow_link = ext2_follow_link,
  42. #ifdef CONFIG_EXT2_FS_XATTR
  43. .setxattr = generic_setxattr,
  44. .getxattr = generic_getxattr,
  45. .listxattr = ext2_listxattr,
  46. .removexattr = generic_removexattr,
  47. #endif
  48. };