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xfs: add fs geometry bit for sparse inode chunks

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Define an fs geometry bit for sparse inode chunks such that the
characteristic of the fs can be identified by userspace.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Brian Foster 2015-05-29 08:58:32 +10:00 committed by Dave Chinner
parent e5376fc15a
commit 502a4e72b8
2 changed files with 4 additions and 1 deletions
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1
fs/xfs/libxfs/xfs_fs.h
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@ -239,6 +239,7 @@ typedef struct xfs_fsop_resblks {
#define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
#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 */
/*
* Minimum and maximum sizes need for growth checks.

4
fs/xfs/xfs_fsops.c
View file

@ -101,7 +101,9 @@ xfs_fs_geometry(
(xfs_sb_version_hasftype(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_FTYPE : 0) |
(xfs_sb_version_hasfinobt(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_FINOBT : 0);
XFS_FSOP_GEOM_FLAGS_FINOBT : 0) |
(xfs_sb_version_hassparseinodes(&mp->m_sb) ?
XFS_FSOP_GEOM_FLAGS_SPINODES : 0);
geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?
mp->m_sb.sb_logsectsize : BBSIZE;
geo->rtsectsize = mp->m_sb.sb_blocksize;