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[PATCH 049/145] xfs: enable the rmap btree functionality

To: david@xxxxxxxxxxxxx, darrick.wong@xxxxxxxxxx
Subject: [PATCH 049/145] xfs: enable the rmap btree functionality
From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Date: Thu, 16 Jun 2016 18:35:53 -0700
Cc: xfs@xxxxxxxxxxx, Dave Chinner <dchinner@xxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <146612704434.16048.12932915166928562654.stgit@xxxxxxxxxxxxxxxx>
References: <146612704434.16048.12932915166928562654.stgit@xxxxxxxxxxxxxxxx>
User-agent: StGit/0.17.1-dirty
From: Dave Chinner <dchinner@xxxxxxxxxx>

Add the feature flag to the supported matrix so that the kernel can
mount and use rmap btree enabled filesystems

v2: Move the EXPERIMENTAL message to fill_super so it only prints once.

Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
[darrick.wong@xxxxxxxxxx: move the experimental tag]
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 libxfs/xfs_format.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)


diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index 2525004..7205806 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -457,7 +457,8 @@ xfs_sb_has_compat_feature(
 #define XFS_SB_FEAT_RO_COMPAT_FINOBT   (1 << 0)                /* free inode 
btree */
 #define XFS_SB_FEAT_RO_COMPAT_RMAPBT   (1 << 1)                /* reverse map 
btree */
 #define XFS_SB_FEAT_RO_COMPAT_ALL \
-               (XFS_SB_FEAT_RO_COMPAT_FINOBT)
+               (XFS_SB_FEAT_RO_COMPAT_FINOBT | \
+                XFS_SB_FEAT_RO_COMPAT_RMAPBT)
 #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN  ~XFS_SB_FEAT_RO_COMPAT_ALL
 static inline bool
 xfs_sb_has_ro_compat_feature(

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