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make get_file() return its argument

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simplifies a bunch of callers...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-08-27 14:48:26 -04:00
parent cecb46f194
commit cb0942b812
16 changed files with 23 additions and 38 deletions
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6
include/linux/fs.h
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@ -1074,7 +1074,11 @@ struct file_handle {
unsigned char f_handle[0];
};
#define get_file(x) atomic_long_inc(&(x)->f_count)
static inline struct file *get_file(struct file *f)
{
atomic_long_inc(&f->f_count);
return f;
}
#define fput_atomic(x) atomic_long_add_unless(&(x)->f_count, -1, 1)
#define file_count(x) atomic_long_read(&(x)->f_count)