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-rw-r--r--fs/proc/fd.c2
-rw-r--r--include/linux/fs.h4
2 files changed, 4 insertions, 2 deletions
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index f28a875f8779..d7a4a28ef630 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -50,6 +50,8 @@ static int seq_show(struct seq_file *m, void *v)
if (!ret) {
seq_printf(m, "pos:\t%lli\nflags:\t0%o\n",
(long long)file->f_pos, f_flags);
+ if (file->f_op->show_fdinfo)
+ ret = file->f_op->show_fdinfo(m, file);
fput(file);
}
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 029552ff774c..5abf703d06ba 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -44,6 +44,7 @@ struct vm_area_struct;
struct vfsmount;
struct cred;
struct swap_info_struct;
+struct seq_file;
extern void __init inode_init(void);
extern void __init inode_init_early(void);
@@ -1543,6 +1544,7 @@ struct file_operations {
int (*setlease)(struct file *, long, struct file_lock **);
long (*fallocate)(struct file *file, int mode, loff_t offset,
loff_t len);
+ int (*show_fdinfo)(struct seq_file *m, struct file *f);
};
struct inode_operations {
@@ -1578,8 +1580,6 @@ struct inode_operations {
umode_t create_mode, int *opened);
} ____cacheline_aligned;
-struct seq_file;
-
ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
unsigned long nr_segs, unsigned long fast_segs,
struct iovec *fast_pointer,