From 00ca79a04bef1a1b30ef8afd992d905b6d986caf Mon Sep 17 00:00:00 2001 From: Brian Foster Date: Wed, 7 Nov 2012 12:21:14 -0500 Subject: 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: Brian Foster Reviewed-by: Mark Tinguely Reviewed-by: Dave Chinner Signed-off-by: Ben Myers --- fs/xfs/xfs_fs.h | 7 +++++-- fs/xfs/xfs_icache.c | 11 +++++++++-- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index a19f9b2..6dda3f9 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -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) /* diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 3290890..906e6dc 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -1215,8 +1215,15 @@ xfs_inode_free_eofblocks( mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY)) return 0; - if (eofb && !xfs_inode_match_id(ip, eofb)) - return 0; + 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); -- cgit v1.1