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fs/proc/internal.h: fix up comment 

Document what ->pde_unload_lock actually does.

Link: http://lkml.kernel.org/r/20180103185120.GB31849@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-02-06 15:37:21 -08:00 committed by Linus Torvalds
parent 163cf548db
commit 53f63345d8
1 changed files with 2 additions and 1 deletions
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fs/proc/internal.h
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@ -38,7 +38,8 @@ struct proc_dir_entry {
atomic_t in_use;
atomic_t count; /* use count */
struct list_head pde_openers; /* who did ->open, but not ->release */
spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
/* protects ->pde_openers and all struct pde_opener instances */
spinlock_t pde_unload_lock;
struct completion *pde_unload_completion;
const struct inode_operations *proc_iops;
const struct file_operations *proc_fops;