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| author | Brian Foster <bfoster@redhat.com> | 2012-11-07 21:21:14 +0400 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-11-09 01:32:29 +0400 |
| commit | 00ca79a04bef1a1b30ef8afd992d905b6d986caf (patch) | |
| tree | ee4a3f4dbb6fbfeae01e58f98a1c2c8457f5b4b0 | |
| parent | 1b5560488d1ab7c932f6f99385b41116838c3486 (diff) | |
| download | linux-00ca79a04bef1a1b30ef8afd992d905b6d986caf.tar.xz | |
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 <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_fs.h | 7 | ||||
| -rw-r--r-- | 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 a19f9b205c15..6dda3f949b04 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 32908909815e..906e6dcd2c55 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); |