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linux-alloc-dont-drop-what-you-dont-have-20020801

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avoid trying to drop a glock we don't have
This commit is contained in:
Chas Williams 2002-08-01 17:11:35 +00:00 committed by Derrick Brashear
parent fb6d2422f3
commit 9e06544249
1 changed files with 3 additions and 2 deletions
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5
src/afs/LINUX/osi_alloc.c
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@ -80,6 +80,7 @@ static void *linux_alloc(unsigned int asize, int drop_glock)
{ {
void *new = NULL; void *new = NULL;
int max_retry = 10; int max_retry = 10;
int haveGlock = ISAFS_GLOCK();
/* if we can use kmalloc use it to allocate the required memory. */ /* if we can use kmalloc use it to allocate the required memory. */
while(!new && max_retry) while(!new && max_retry)
@ -106,9 +107,9 @@ static void *linux_alloc(unsigned int asize, int drop_glock)
#else #else
current->state = TASK_INTERRUPTIBLE; current->state = TASK_INTERRUPTIBLE;
#endif #endif
if (drop_glock) AFS_GUNLOCK(); if (drop_glock && haveGlock) AFS_GUNLOCK();
schedule_timeout(HZ); schedule_timeout(HZ);
if (drop_glock) AFS_GLOCK(); if (drop_glock && haveGlock) AFS_GLOCK();
#ifdef set_current_state #ifdef set_current_state
set_current_state(TASK_RUNNING); set_current_state(TASK_RUNNING);
#else #else