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authorThomas Gleixner <tglx@linutronix.de>2020-06-30 12:07:51 +0200
committerThomas Gleixner <tglx@linutronix.de>2020-06-30 12:07:51 +0200
commit98817a84ff1c755c347ac633ff017a623a631fad (patch)
tree93bd22485a697d1dbba97b2829b82e03c08ae57f /include/linux/seq_file.h
parentLinux 5.7-rc4 (diff)
parentirqchip/gic: Atomically update affinity (diff)
Merge tag 'irqchip-fixes-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip fixes from Marc Zyngier: - Fix atomicity of affinity update in the GIC driver - Don't sleep in atomic when waiting for a GICv4.1 RD to respond - Fix a couple of typos in user-visible messages
Diffstat (limited to 'include/linux/seq_file.h')
-rw-r--r--include/linux/seq_file.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 1672cf6f7614..813614d4b71f 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -145,6 +145,25 @@ void *__seq_open_private(struct file *, const struct seq_operations *, int);
int seq_open_private(struct file *, const struct seq_operations *, int);
int seq_release_private(struct inode *, struct file *);
+#define DEFINE_SEQ_ATTRIBUTE(__name) \
+static int __name ## _open(struct inode *inode, struct file *file) \
+{ \
+ int ret = seq_open(file, &__name ## _sops); \
+ if (!ret && inode->i_private) { \
+ struct seq_file *seq_f = file->private_data; \
+ seq_f->private = inode->i_private; \
+ } \
+ return ret; \
+} \
+ \
+static const struct file_operations __name ## _fops = { \
+ .owner = THIS_MODULE, \
+ .open = __name ## _open, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = seq_release, \
+}
+
#define DEFINE_SHOW_ATTRIBUTE(__name) \
static int __name ## _open(struct inode *inode, struct file *file) \
{ \