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From: Bob Peterson <rpeterso@fedoraproject.org> To: cluster-cvs-relay@redhat.com Subject: cluster: STABLE3 - Allow gfs2_edit printsavedmeta to print destination size and type Date: Mon, 31 Aug 2009 17:33:00 -0000 [thread overview] Message-ID: <20090831173312.C7B051201D4@lists.fedorahosted.org> (raw) Gitweb: http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=3a0256932f1f441fd95516b0dbabfa5666b36632 Commit: 3a0256932f1f441fd95516b0dbabfa5666b36632 Parent: 84e6a86ece412ab4ccf86541813c51961d23b9bf Author: Bob Peterson <bob@ganesha.peterson> AuthorDate: Mon Aug 31 10:08:31 2009 -0500 Committer: Bob Peterson <bob@ganesha.peterson> CommitterDate: Mon Aug 31 10:08:31 2009 -0500 Allow gfs2_edit printsavedmeta to print destination size and type When doing gfs2_edit printsavedmeta, the code will now print whether the metadata is gfs2 or gfs at the top of the output. At the end of the output, it will print the device size required to restore it. rhbz#503529 --- gfs2/edit/savemeta.c | 35 +++++++++++++++++++++++++++++++---- 1 files changed, 31 insertions(+), 4 deletions(-) diff --git a/gfs2/edit/savemeta.c b/gfs2/edit/savemeta.c index 243ee49..bef9393 100644 --- a/gfs2/edit/savemeta.c +++ b/gfs2/edit/savemeta.c @@ -711,10 +711,27 @@ void savemeta(char *out_fn, int saveoption) exit(0); } +/** + * anthropomorphize - make a uint64_t number more human + */ +static const char *anthropomorphize(unsigned long long inhuman_value) +{ + const char *symbols = " KMGTPE"; + int i; + unsigned long long val = inhuman_value; + static char out_val[32]; + + memset(out_val, 0, sizeof(out_val)); + for (i = 0; i < 6 && val > 1024; i++) + val /= 1024; + sprintf(out_val, "%llu%c", val, symbols[i]); + return out_val; +} + static int restore_data(int fd, int in_fd, int printblocksonly) { size_t rs; - uint64_t buf64, writes = 0; + uint64_t buf64, writes = 0, highest_valid_block = 0; uint16_t buf16; int first = 1, pos; char rdbuf[256]; @@ -794,9 +811,9 @@ static int restore_data(int fd, int in_fd, int printblocksonly) sbd1->sb_header.mh_format == GFS_FORMAT_SB && sbd1->sb_multihost_format == - GFS_FORMAT_MULTI) - ; - else if (check_sb(&sbd.sd_sb)) { + GFS_FORMAT_MULTI) { + gfs1 = TRUE; + } else if (check_sb(&sbd.sd_sb)) { fprintf(stderr,"Error: Invalid superblock data.\n"); return -1; } @@ -809,6 +826,9 @@ static int restore_data(int fd, int in_fd, int printblocksonly) "%u bytes in the destination" \ " file system.\n\n", last_fs_block, sbd.bsize); + } else { + printf("This is %s metadata\n", gfs1 ? + "gfs (not gfs2)" : "gfs2"); } first = 0; } @@ -816,6 +836,8 @@ static int restore_data(int fd, int in_fd, int printblocksonly) print_gfs2("%d (l=0x%x): ", blks_saved, savedata->siglen); block = savedata->blk; + if (block > highest_valid_block) + highest_valid_block = block; display_block_type(savedata->buf, TRUE); } else { warm_fuzzy_stuff(savedata->blk, FALSE, FALSE); @@ -857,6 +879,11 @@ static int restore_data(int fd, int in_fd, int printblocksonly) } if (!printblocksonly) warm_fuzzy_stuff(savedata->blk, TRUE, FALSE); + else + printf("File system size: %lld (0x%llx) blocks, aka %sB\n", + (unsigned long long)highest_valid_block, + (unsigned long long)highest_valid_block, + anthropomorphize(highest_valid_block * sbd.bsize)); return 0; }
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