* [PATCH -mm] proc: fixup comment
@ 2018-01-03 18:51 Alexey Dobriyan
0 siblings, 0 replies; only message in thread
From: Alexey Dobriyan @ 2018-01-03 18:51 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
Document what ->pde_unload_lock actually does.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
fs/proc/internal.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -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;
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2018-01-03 18:51 [PATCH -mm] proc: fixup comment Alexey Dobriyan
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