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authorStephen Boyd <sboyd@codeaurora.org>2012-04-05 14:25:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-05 15:25:50 -0700
commit234e340582901211f40d8c732afc49f0630ecf05 (patch)
tree753076500dfd883b3db56d4f5410af31d8945623 /drivers/oprofile
parent9b3ae64be658a573b33d05a8dc73b08d3345fa44 (diff)
downloadkernel-234e340582901211f40d8c732afc49f0630ecf05.tar.gz
simple_open: automatically convert to simple_open()
Many users of debugfs copy the implementation of default_open() when they want to support a custom read/write function op. This leads to a proliferation of the default_open() implementation across the entire tree. Now that the common implementation has been consolidated into libfs we can replace all the users of this function with simple_open(). This replacement was done with the following semantic patch: <smpl> @ open @ identifier open_f != simple_open; identifier i, f; @@ -int open_f(struct inode *i, struct file *f) -{ ( -if (i->i_private) -f->private_data = i->i_private; | -f->private_data = i->i_private; ) -return 0; -} @ has_open depends on open @ identifier fops; identifier open.open_f; @@ struct file_operations fops = { ... -.open = open_f, +.open = simple_open, ... }; </smpl> [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/oprofile')
-rw-r--r--drivers/oprofile/oprofilefs.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index ee8fd037bb53..849357c1045c 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -117,25 +117,17 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_
}
-static int default_open(struct inode *inode, struct file *filp)
-{
- if (inode->i_private)
- filp->private_data = inode->i_private;
- return 0;
-}
-
-
static const struct file_operations ulong_fops = {
.read = ulong_read_file,
.write = ulong_write_file,
- .open = default_open,
+ .open = simple_open,
.llseek = default_llseek,
};
static const struct file_operations ulong_ro_fops = {
.read = ulong_read_file,
- .open = default_open,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -187,7 +179,7 @@ static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t coun
static const struct file_operations atomic_ro_fops = {
.read = atomic_read_file,
- .open = default_open,
+ .open = simple_open,
.llseek = default_llseek,
};