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try a saner locking for pde_opener...

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro
2013-04-04 16:28:47 -04:00
parent ca469f35a8
commit 05c0ae21c0
3 changed files with 24 additions and 44 deletions
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include/linux/proc_fs.h
+1 -1
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@@ -65,7 +65,7 @@ struct proc_dir_entry {
void *data;
read_proc_t *read_proc;
atomic_t count; /* use count */
int pde_users; /* number of callers into module in progress; */
atomic_t in_use; /* number of callers into module in progress; */
/* negative -> it's going away RSN */
struct completion *pde_unload_completion;
struct list_head pde_openers; /* who did ->open, but not ->release */