projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| f1a05fa1 NB |
1 | dnl # |
| 2 | dnl # 3.6 API change | |
| 3 | dnl # | |
| 4 | AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [ | |
| 5 | AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata]) | |
| 6 | ZFS_LINUX_TRY_COMPILE([ | |
| 7 | #include <linux/dcache.h> | |
| 42f7b73b | 8 | #include <linux/sched.h> |
| c38367c7 RY |
9 | |
| 10 | int revalidate (struct dentry *dentry, | |
| 11 | struct nameidata *nidata) { return 0; } | |
| 12 | ||
| 13 | static const struct dentry_operations | |
| 14 | dops __attribute__ ((unused)) = { | |
| 15 | .d_revalidate = revalidate, | |
| f1a05fa1 | 16 | }; |
| c38367c7 | 17 | ],[ |
| f1a05fa1 NB |
18 | ],[ |
| 19 | AC_MSG_RESULT(yes) | |
| 20 | AC_DEFINE(HAVE_D_REVALIDATE_NAMEIDATA, 1, | |
| 21 | [dops->d_revalidate() operation takes nameidata]) | |
| 22 | ],[ | |
| 23 | AC_MSG_RESULT(no) | |
| 24 | ]) | |
| 25 | ]) | |
| 26 | ||
| 27 | dnl # | |
| 28 | dnl # 2.6.30 API change | |
| 29 | dnl # The 'struct dentry_operations' was constified in the dentry structure. | |
| 30 | dnl # | |
| 31 | AC_DEFUN([ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS], [ | |
| 32 | AC_MSG_CHECKING([whether dentry uses const struct dentry_operations]) | |
| 33 | ZFS_LINUX_TRY_COMPILE([ | |
| 34 | #include <linux/dcache.h> | |
| 35 | ||
| 36 | const struct dentry_operations test_d_op = { | |
| 37 | .d_revalidate = NULL, | |
| 38 | }; | |
| 39 | ],[ | |
| 40 | struct dentry d __attribute__ ((unused)); | |
| 41 | ||
| 42 | d.d_op = &test_d_op; | |
| 43 | ],[ | |
| 44 | AC_MSG_RESULT(yes) | |
| 45 | AC_DEFINE(HAVE_CONST_DENTRY_OPERATIONS, 1, | |
| 46 | [dentry uses const struct dentry_operations]) | |
| 47 | ],[ | |
| 48 | AC_MSG_RESULT(no) | |
| 49 | ]) | |
| 50 | ]) | |
| 51 | ||
| 52 | dnl # | |
| 53 | dnl # 2.6.38 API change | |
| 54 | dnl # Added d_set_d_op() helper function. | |
| 55 | dnl # | |
| 56 | AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], | |
| 57 | [AC_MSG_CHECKING([whether d_set_d_op() is available]) | |
| 58 | ZFS_LINUX_TRY_COMPILE_SYMBOL([ | |
| 59 | #include <linux/dcache.h> | |
| 60 | ], [ | |
| 61 | d_set_d_op(NULL, NULL); | |
| 62 | ], [d_set_d_op], [fs/dcache.c], [ | |
| 63 | AC_MSG_RESULT(yes) | |
| 64 | AC_DEFINE(HAVE_D_SET_D_OP, 1, | |
| 65 | [d_set_d_op() is available]) | |
| 66 | ], [ | |
| 67 | AC_MSG_RESULT(no) | |
| 68 | ]) | |
| 69 | ]) | |
| ee930353 BB |
70 | |
| 71 | dnl # | |
| 72 | dnl # 2.6.38 API chage | |
| 73 | dnl # Added sb->s_d_op default dentry_operations member | |
| 74 | dnl # | |
| 75 | AC_DEFUN([ZFS_AC_KERNEL_S_D_OP], | |
| 76 | [AC_MSG_CHECKING([whether super_block has s_d_op]) | |
| 77 | ZFS_LINUX_TRY_COMPILE([ | |
| 78 | #include <linux/fs.h> | |
| 79 | ],[ | |
| 80 | struct super_block sb __attribute__ ((unused)); | |
| 81 | sb.s_d_op = NULL; | |
| 82 | ], [ | |
| 83 | AC_MSG_RESULT(yes) | |
| 84 | AC_DEFINE(HAVE_S_D_OP, 1, [struct super_block has s_d_op]) | |
| 85 | ], [ | |
| 86 | AC_MSG_RESULT(no) | |
| 87 | ]) | |
| 88 | ]) |