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authorAlexey Dobriyan <adobriyan@gmail.com>2018-02-06 15:37:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-06 18:32:43 -0800
commit53f63345d893df36b58e81ddb3d11dcd2e9cc966 (patch)
tree03fd6bd523d04f7710d8b49a470a21a0528a69a3 /fs/proc
parent163cf548db888710695d5dbe907cda4262d45b52 (diff)
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>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/internal.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index a290a1e921a5..5ba317874f0d 100644
--- 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;