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author | Chris Mason | 2008-11-19 21:59:28 +0100 |
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committer | Chris Mason | 2008-11-19 21:59:28 +0100 |
commit | ae20a6afec1cf21919d97303f2d8b737eac5acc7 (patch) | |
tree | a4ddf02d4f19bdee1119dcc8a0f54edb40fb5986 /fs/btrfs/compat.h | |
parent | Linux 2.6.28-rc5 (diff) | |
parent | Btrfs: fix free space accounting when unpinning extents (diff) | |
download | kernel-qcow2-linux-ae20a6afec1cf21919d97303f2d8b737eac5acc7.tar.gz kernel-qcow2-linux-ae20a6afec1cf21919d97303f2d8b737eac5acc7.tar.xz kernel-qcow2-linux-ae20a6afec1cf21919d97303f2d8b737eac5acc7.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Diffstat (limited to 'fs/btrfs/compat.h')
-rw-r--r-- | fs/btrfs/compat.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h new file mode 100644 index 000000000000..cd6598b169df --- /dev/null +++ b/fs/btrfs/compat.h @@ -0,0 +1,24 @@ +#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_ */ |