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kernfs: update sysfs_init_inode_attrs()

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sysfs_init_inode_attrs() is a bit clumsy to use requiring the caller
to check whether @sd->s_iattr is already set or not.  Rename it to
sysfs_inode_attrs(), update it to check whether @sd->s_iattr is
already initialized before trying to initialize it and return
@sd->s_iattr.  This simplifies the callers.

While at it,

* Rename struct sysfs_inode_attrs pointer variables to "attrs".  As
  kernfs no longer deals with "struct attribute", this isn't confusing
  and makes it easier to distinguish from struct iattr pointers.

* A new field will be added to sysfs_inode_attrs.  Reindent in
  preparation.

This patch doesn't introduce any behavior changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tejun Heo 2013-11-23 17:40:01 -05:00 • committed by Greg Kroah-Hartman
parent e756bc5670
commit 9a8049affd
2 changed files with 29 additions and 37 deletions
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6
fs/kernfs/kernfs-internal.h
View file

@ -18,9 +18,9 @@
#include <linux/kernfs.h>
struct sysfs_inode_attrs {
struct iattr ia_iattr;
void *ia_secdata;
u32 ia_secdata_len;
struct iattr ia_iattr;
void *ia_secdata;
u32 ia_secdata_len;
};
#define SD_DEACTIVATED_BIAS INT_MIN