[PATCH 30/76] xfs: add rmap btree geometry feature flag
From: Darrick J. Wong <hidden>
Date: 2015-12-19 08:59:43
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
From : Dave Chinner [off-list ref]
So xfs_info and other userspace utilities know the filesystem is using this feature. Signed-off-by: Dave Chinner <redacted> --- fs/xfs/libxfs/xfs_fs.h | 1 + fs/xfs/xfs_fsops.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index b2b73a9..d2a58ff 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h@@ -240,6 +240,7 @@ typedef struct xfs_fsop_resblks { #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ +#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */ /* * Minimum and maximum sizes need for growth checks.
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 031dd92..64bb02b 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c@@ -104,7 +104,9 @@ xfs_fs_geometry( (xfs_sb_version_hasfinobt(&mp->m_sb) ? XFS_FSOP_GEOM_FLAGS_FINOBT : 0) | (xfs_sb_version_hassparseinodes(&mp->m_sb) ? - XFS_FSOP_GEOM_FLAGS_SPINODES : 0); + XFS_FSOP_GEOM_FLAGS_SPINODES : 0) | + (xfs_sb_version_hasrmapbt(&mp->m_sb) ? + XFS_FSOP_GEOM_FLAGS_RMAPBT : 0); geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ? mp->m_sb.sb_logsectsize : BBSIZE; geo->rtsectsize = mp->m_sb.sb_blocksize;
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