Commit 3e3c51ce authored by Mark Tinguely's avatar Mark Tinguely Committed by Ben Myers
Browse files

xfs: add xfs sb v4 support for dirent filetype field 



Add XFS superblock v4 support for the file type field in the
directory entry feature.

This support adds a feature bit for version 4 superblocks and
leaves the original superblock 5 incompatibility bit.

Signed-off-by: default avatarMark Tinguely <tinguely@sgi.com>
Reviewed-by: default avatarGeoffrey Wehrman <gwehrman@sgi.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent 1c55cece

fs/xfs/xfs_sb.h

+7 −3
Original line number Diff line number Diff line
@@ -84,11 +84,13 @@ struct xfs_trans; 
#define XFS_SB_VERSION2_PARENTBIT	0x00000010	/* parent pointers */

#define XFS_SB_VERSION2_PROJID32BIT	0x00000080	/* 32 bit project id */

#define XFS_SB_VERSION2_CRCBIT		0x00000100	/* metadata CRCs */

#define XFS_SB_VERSION2_FTYPE		0x00000200	/* inode type in dir */



#define	XFS_SB_VERSION2_OKREALFBITS	\

	(XFS_SB_VERSION2_LAZYSBCOUNTBIT	| \

	 XFS_SB_VERSION2_ATTR2BIT	| \

	 XFS_SB_VERSION2_PROJID32BIT)

	 XFS_SB_VERSION2_PROJID32BIT	| \

	 XFS_SB_VERSION2_FTYPE)

#define	XFS_SB_VERSION2_OKSASHFBITS	\

	(0)

#define XFS_SB_VERSION2_OKREALBITS	\
@@ -631,8 +633,10 @@ static inline int xfs_sb_version_has_pquotino(xfs_sb_t *sbp) 


static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp)

{

	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&

		xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE);

	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&

		xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE)) ||

	       (xfs_sb_version_hasmorebits(sbp) &&

		 (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE));

}



/*

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