The patch titled
Subject: proc: constify seq_operations
has been removed from the -mm tree. Its filename was
proc-constify-seq_operations.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Fabian Frederick <fabf@xxxxxxxxx>
Subject: proc: constify seq_operations
proc_uid_seq_operations, proc_gid_seq_operations and
proc_projid_seq_operations are only called in proc_id_map_open with
seq_open as const struct seq_operations so we can constify the 3
structures and update proc_id_map_open prototype.
text data bss dec hex filename
6817 404 1984 9205 23f5 kernel/user_namespace.o-before
6913 308 1984 9205 23f5 kernel/user_namespace.o-after
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 2 +-
include/linux/user_namespace.h | 6 +++---
kernel/user_namespace.c | 6 +++---
3 files changed, 7 insertions(+), 7 deletions(-)
diff -puN fs/proc/base.c~proc-constify-seq_operations fs/proc/base.c
--- a/fs/proc/base.c~proc-constify-seq_operations
+++ a/fs/proc/base.c
@@ -2449,7 +2449,7 @@ static int proc_tgid_io_accounting(struc
#ifdef CONFIG_USER_NS
static int proc_id_map_open(struct inode *inode, struct file *file,
- struct seq_operations *seq_ops)
+ const struct seq_operations *seq_ops)
{
struct user_namespace *ns = NULL;
struct task_struct *task;
diff -puN include/linux/user_namespace.h~proc-constify-seq_operations include/linux/user_namespace.h
--- a/include/linux/user_namespace.h~proc-constify-seq_operations
+++ a/include/linux/user_namespace.h
@@ -57,9 +57,9 @@ static inline void put_user_ns(struct us
}
struct seq_operations;
-extern struct seq_operations proc_uid_seq_operations;
-extern struct seq_operations proc_gid_seq_operations;
-extern struct seq_operations proc_projid_seq_operations;
+extern const struct seq_operations proc_uid_seq_operations;
+extern const struct seq_operations proc_gid_seq_operations;
+extern const struct seq_operations proc_projid_seq_operations;
extern ssize_t proc_uid_map_write(struct file *, const char __user *, size_t, loff_t *);
extern ssize_t proc_gid_map_write(struct file *, const char __user *, size_t, loff_t *);
extern ssize_t proc_projid_map_write(struct file *, const char __user *, size_t, loff_t *);
diff -puN kernel/user_namespace.c~proc-constify-seq_operations kernel/user_namespace.c
--- a/kernel/user_namespace.c~proc-constify-seq_operations
+++ a/kernel/user_namespace.c
@@ -526,21 +526,21 @@ static void m_stop(struct seq_file *seq,
return;
}
-struct seq_operations proc_uid_seq_operations = {
+const struct seq_operations proc_uid_seq_operations = {
.start = uid_m_start,
.stop = m_stop,
.next = m_next,
.show = uid_m_show,
};
-struct seq_operations proc_gid_seq_operations = {
+const struct seq_operations proc_gid_seq_operations = {
.start = gid_m_start,
.stop = m_stop,
.next = m_next,
.show = gid_m_show,
};
-struct seq_operations proc_projid_seq_operations = {
+const struct seq_operations proc_projid_seq_operations = {
.start = projid_m_start,
.stop = m_stop,
.next = m_next,
_
Patches currently in -mm which might be from fabf@xxxxxxxxx are
origin.patch
fs-cifs-remove-obsolete-__constant.patch
fs-cifs-filec-replace-countsize-kzalloc-by-kcalloc.patch
fs-cifs-smb2filec-replace-countsize-kzalloc-by-kcalloc.patch
fs-ext4-fsyncc-generic_file_fsync-call-based-on-barrier-flag.patch
fs-isofs-logging-clean-up.patch
fs-isofs-logging-clean-up-fix.patch
linux-next.patch
kernel-posix-timersc-code-clean-up.patch
kernel-posix-timersc-code-clean-up-checkpatch-fixes.patch
kernel-kprobesc-convert-printk-to-pr_foo.patch
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