51a727e90f
Ricardo has pointed out that under Solaris the cwd is set to '/'
during module load, while under Linux it is set to the callers cwd.
To handle this cleanly I've reworked the module *_init()/_exit()
macros so they call a *_setup()/_cleanup() function when any SPL
dependent module is loaded or unloaded. This gives us a chance to
perform any needed modification of the process, in this case changing
the cwd. It also handily provides a way to avoid creating wrapper
init()/exit() functions because the Solaris and Linux prototypes
differ slightly. All dependent modules should now call the spl
helper macros spl_module_{init,exit}() instead of the native linux
versions.
Unfortunately, it appears that under Linux there has been no consistent
API in the kernel to set the cwd in a module. Because of this I have
had to add more autoconf magic than I'd like. However, what I have
done is correct and has been tested on RHEL5, SLES11, FC11, and CHAOS
kernels.
In addition, I have change the rootdir type from a 'void *' to the
correct 'vnode_t *' type. And I've set rootdir to a non-NULL value.
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#ifndef _SPL_TYPES_H
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#define _SPL_TYPES_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <linux/types.h>
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#include <sys/sysmacros.h>
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#include <spl_config.h>
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#include <linux/uaccess_compat.h>
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#include <linux/file_compat.h>
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#include <linux/list_compat.h>
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#include <linux/time_compat.h>
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#include <linux/bitops_compat.h>
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#include <linux/smp_compat.h>
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#include <linux/workqueue_compat.h>
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#include <linux/kallsyms_compat.h>
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#include <linux/mutex_compat.h>
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#include <linux/module_compat.h>
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#ifndef HAVE_UINTPTR_T
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typedef unsigned long uintptr_t;
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#endif
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#ifndef ULLONG_MAX
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#define ULLONG_MAX (~0ULL)
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#endif
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#ifndef LLONG_MAX
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#define LLONG_MAX ((long long)(~0ULL>>1))
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#endif
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typedef enum { B_FALSE=0, B_TRUE=1 } boolean_t;
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typedef unsigned long intptr_t;
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typedef unsigned long ulong_t;
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typedef unsigned int uint_t;
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typedef unsigned char uchar_t;
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typedef unsigned long long u_longlong_t;
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typedef unsigned long long u_offset_t;
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typedef unsigned long long rlim64_t;
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typedef long long longlong_t;
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typedef long long offset_t;
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typedef struct task_struct kthread_t;
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typedef struct vmem { } vmem_t;
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typedef short pri_t;
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typedef struct timespec timestruc_t; /* definition per SVr4 */
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typedef struct timespec timespec_t;
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typedef longlong_t hrtime_t;
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typedef unsigned short ushort_t;
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typedef u_longlong_t len_t;
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typedef longlong_t diskaddr_t;
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typedef ushort_t o_mode_t;
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typedef uint_t major_t;
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typedef uint_t minor_t;
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typedef ulong_t pfn_t;
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typedef ulong_t pgcnt_t;
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typedef long spgcnt_t;
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#endif /* _SPL_TYPES_H */
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