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Commit 00ca79a0 authored by Brian Foster's avatar Brian Foster Committed by Ben Myers
Browse files

xfs: add minimum file size filtering to eofblocks scan 



Support minimum file size filtering in the eofblocks scan. The
caller must set the XFS_EOF_FLAGS_MINFILESIZE flags bit and minimum
file size value in bytes.

Signed-off-by: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarMark Tinguely <tinguely@sgi.com>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent 1b556048

fs/xfs/xfs_fs.h

+5 −2
Original line number Diff line number Diff line
@@ -350,7 +350,8 @@ struct xfs_eofblocks { 
	gid_t		eof_gid;

	prid_t		eof_prid;

	__u32		pad32;

	__u64		pad64[13];

	__u64		eof_min_file_size;

	__u64		pad64[12];

};



/* eof_flags values */
@@ -358,11 +359,13 @@ struct xfs_eofblocks { 
#define XFS_EOF_FLAGS_UID		(1 << 1) /* filter by uid */

#define XFS_EOF_FLAGS_GID		(1 << 2) /* filter by gid */

#define XFS_EOF_FLAGS_PRID		(1 << 3) /* filter by project id */

#define XFS_EOF_FLAGS_MINFILESIZE	(1 << 4) /* filter by min file size */

#define XFS_EOF_FLAGS_VALID	\

	(XFS_EOF_FLAGS_SYNC |	\

	 XFS_EOF_FLAGS_UID |	\

	 XFS_EOF_FLAGS_GID |	\

	 XFS_EOF_FLAGS_PRID)

	 XFS_EOF_FLAGS_PRID |	\

	 XFS_EOF_FLAGS_MINFILESIZE)





/*

fs/xfs/xfs_icache.c

+9 −2
Original line number Diff line number Diff line
@@ -1215,9 +1215,16 @@ xfs_inode_free_eofblocks( 
	    mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY))

		return 0;



	if (eofb && !xfs_inode_match_id(ip, eofb))

	if (eofb) {

		if (!xfs_inode_match_id(ip, eofb))

			return 0;



		/* skip the inode if the file size is too small */

		if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE &&

		    XFS_ISIZE(ip) < eofb->eof_min_file_size)

			return 0;

	}



	ret = xfs_free_eofblocks(ip->i_mount, ip, true);



	/* don't revisit the inode if we're not waiting */