From 973ac0eb3a7dfedecd385bd2b48b12e62a0492f2 Mon Sep 17 00:00:00 2001 From: Chandan Babu R <chandan.babu@oracle.com> Date: Wed, 11 Aug 2021 10:33:20 +0530 Subject: [PATCH] xfs: Add XFS_SB_FEAT_INCOMPAT_NREXT64 to the list of supported flags This commit enables XFS module to work with fs instances having 64-bit per-inode extent counters by adding XFS_SB_FEAT_INCOMPAT_NREXT64 flag to the list of supported incompat feature flags. Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Chandan Babu R <chandan.babu@oracle.com> --- fs/xfs/libxfs/xfs_format.h | 3 ++- fs/xfs/xfs_super.c | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 3beaa819b790..398fd98bf29e 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -378,7 +378,8 @@ xfs_sb_has_ro_compat_feature( XFS_SB_FEAT_INCOMPAT_SPINODES| \ XFS_SB_FEAT_INCOMPAT_META_UUID| \ XFS_SB_FEAT_INCOMPAT_BIGTIME| \ - XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR) + XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR| \ + XFS_SB_FEAT_INCOMPAT_NREXT64) #define XFS_SB_FEAT_INCOMPAT_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_ALL static inline bool diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 54be9d64093e..d35536a08f82 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1639,6 +1639,10 @@ xfs_fs_fill_super( goto out_filestream_unmount; } + if (xfs_has_large_extent_counts(mp)) + xfs_warn(mp, + "EXPERIMENTAL Large extent counts feature in use. Use at your own risk!"); + error = xfs_mountfs(mp); if (error) goto out_filestream_unmount; -- 2.30.9