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xfs: add rmap btree geometry feature flag

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Originally-From: Dave Chinner <dchinner@redhat.com>

So xfs_info and other userspace utilities know the filesystem is
using this feature.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong 2016-08-03 12:16:44 +10:00 committed by Dave Chinner
parent 9c19464469
commit 5d650e90a1
2 changed files with 4 additions and 1 deletions
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1
fs/xfs/libxfs/xfs_fs.h
View File

@ -206,6 +206,7 @@ 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.

4
fs/xfs/xfs_fsops.c
View File

@ -106,7 +106,9 @@ 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;