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1 /* |
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2 * linux/include/linux/lockd/nlm.h |
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3 * |
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4 * Declarations for the Network Lock Manager protocol. |
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5 * |
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6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> |
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7 */ |
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8 |
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9 #ifndef LINUX_LOCKD_NLM_H |
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10 #define LINUX_LOCKD_NLM_H |
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11 |
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12 |
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13 /* Maximum file offset in file_lock.fl_end */ |
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14 # define NLM_OFFSET_MAX ((s32) 0x7fffffff) |
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15 # define NLM4_OFFSET_MAX ((s64) ((~(u64)0) >> 1)) |
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16 |
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17 /* Return states for NLM */ |
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18 enum { |
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19 NLM_LCK_GRANTED = 0, |
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20 NLM_LCK_DENIED = 1, |
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21 NLM_LCK_DENIED_NOLOCKS = 2, |
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22 NLM_LCK_BLOCKED = 3, |
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23 NLM_LCK_DENIED_GRACE_PERIOD = 4, |
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24 #ifdef CONFIG_LOCKD_V4 |
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25 NLM_DEADLCK = 5, |
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26 NLM_ROFS = 6, |
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27 NLM_STALE_FH = 7, |
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28 NLM_FBIG = 8, |
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29 NLM_FAILED = 9, |
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30 #endif |
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31 }; |
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32 |
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33 #define NLM_PROGRAM 100021 |
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34 |
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35 #define NLMPROC_NULL 0 |
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36 #define NLMPROC_TEST 1 |
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37 #define NLMPROC_LOCK 2 |
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38 #define NLMPROC_CANCEL 3 |
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39 #define NLMPROC_UNLOCK 4 |
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40 #define NLMPROC_GRANTED 5 |
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41 #define NLMPROC_TEST_MSG 6 |
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42 #define NLMPROC_LOCK_MSG 7 |
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43 #define NLMPROC_CANCEL_MSG 8 |
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44 #define NLMPROC_UNLOCK_MSG 9 |
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45 #define NLMPROC_GRANTED_MSG 10 |
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46 #define NLMPROC_TEST_RES 11 |
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47 #define NLMPROC_LOCK_RES 12 |
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48 #define NLMPROC_CANCEL_RES 13 |
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49 #define NLMPROC_UNLOCK_RES 14 |
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50 #define NLMPROC_GRANTED_RES 15 |
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51 #define NLMPROC_NSM_NOTIFY 16 /* statd callback */ |
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52 #define NLMPROC_SHARE 20 |
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53 #define NLMPROC_UNSHARE 21 |
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54 #define NLMPROC_NM_LOCK 22 |
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55 #define NLMPROC_FREE_ALL 23 |
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56 |
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57 #endif /* LINUX_LOCKD_NLM_H */ |