linux/fs/btrfs/compat.h
Chris Mason 2b1f55b0f0 Remove Btrfs compat code for older kernels
Btrfs had compatibility code for kernels back to 2.6.18.  These have
been removed, and will be maintained in a separate backport
git tree from now on.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-09-25 15:41:59 -04:00

25 lines
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C

#ifndef _COMPAT_H_
#define _COMPAT_H_
#define btrfs_drop_nlink(inode) drop_nlink(inode)
#define btrfs_inc_nlink(inode) inc_nlink(inode)
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)
static inline struct dentry *d_obtain_alias(struct inode *inode)
{
struct dentry *d;
if (!inode)
return NULL;
if (IS_ERR(inode))
return ERR_CAST(inode);
d = d_alloc_anon(inode);
if (!d)
iput(inode);
return d;
}
#endif
#endif /* _COMPAT_H_ */