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sysfs: Pack sysfs_dirent more tightly.

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Placing the 16bit s_mode between a pointer and a long doesn't pack well
especailly on 64bit where we wast 48 bits.  So move s_mode and
declare it as a unsigned short.  This is the sysfs backing store
after all we don't need fields extra large just in case someday
we want userspace to be able to use a larger value.

Acked-by: Tejun Heo <[email protected]>
Signed-off-by: Eric W. Biederman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Eric W. Biederman 2010-02-12 19:22:24 -08:00 • committed by Greg Kroah-Hartman
commit 19c38b632d
1 changed files with 1 additions and 1 deletions
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2
fs/sysfs/sysfs.h
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@ -66,8 +66,8 @@ struct sysfs_dirent {
};
unsigned int s_flags;
unsigned short s_mode;
ino_t s_ino;
umode_t s_mode;
struct sysfs_inode_attrs *s_iattr;
};