diff options
Diffstat (limited to 'sbin/newfs')
| -rw-r--r-- | sbin/newfs/mkfs.c | 6 | ||||
| -rw-r--r-- | sbin/newfs/newfs.8 | 12 | ||||
| -rw-r--r-- | sbin/newfs/newfs.c | 11 | ||||
| -rw-r--r-- | sbin/newfs/newfs.h | 1 |
4 files changed, 29 insertions, 1 deletions
diff --git a/sbin/newfs/mkfs.c b/sbin/newfs/mkfs.c index 0a547f9..a4cfa8d 100644 --- a/sbin/newfs/mkfs.c +++ b/sbin/newfs/mkfs.c @@ -444,6 +444,12 @@ restart: if (sblock.fs_sbsize > SBLOCKSIZE) sblock.fs_sbsize = SBLOCKSIZE; sblock.fs_minfree = minfree; + if (metaspace > 0 && metaspace < sblock.fs_fpg / 2) + sblock.fs_metaspace = blknum(&sblock, metaspace); + else if (metaspace != -1) + /* reserve half of minfree for metadata blocks */ + sblock.fs_metaspace = blknum(&sblock, + (sblock.fs_fpg * minfree) / 200); if (maxbpg == 0) sblock.fs_maxbpg = MAXBLKPG(sblock.fs_bsize); else diff --git a/sbin/newfs/newfs.8 b/sbin/newfs/newfs.8 index 7cfdfd1..f40b607 100644 --- a/sbin/newfs/newfs.8 +++ b/sbin/newfs/newfs.8 @@ -50,6 +50,7 @@ .Op Fl g Ar avgfilesize .Op Fl h Ar avgfpdir .Op Fl i Ar bytes +.Op Fl k Ar held-for-metadata-blocks .Op Fl m Ar free-space .Op Fl o Ar optimization .Op Fl p Ar partition @@ -163,6 +164,17 @@ This flag is implemented by running the .Xr tunefs 8 utility found in the user's .Dv $PATH . +.It Fl k Ar held-for-metadata-blocks +Set the amount of space to be held for metadata blocks in each cylinder group. +When set, the file system preference routines will try to save +the specified amount of space immediately following the inode blocks +in each cylinder group for use by metadata blocks. +Clustering the metadata blocks speeds up random file access +and decreases the running time of +.Xr fsck 8 . +By default +.Xr newfs 8 +sets it to half of the space reserved to minfree. .It Fl l Enable multilabel MAC on the new file system. .It Fl m Ar free-space diff --git a/sbin/newfs/newfs.c b/sbin/newfs/newfs.c index 3ce0be7..59b7e61 100644 --- a/sbin/newfs/newfs.c +++ b/sbin/newfs/newfs.c @@ -102,6 +102,7 @@ int bsize = 0; /* block size */ int maxbsize = 0; /* maximum clustering */ int maxblkspercg = MAXBLKSPERCG; /* maximum blocks per cylinder group */ int minfree = MINFREE; /* free space threshold */ +int metaspace; /* space held for metadata blocks */ int opt = DEFAULTOPT; /* optimization preference (space or time) */ int density; /* number of bytes per inode */ int maxcontig = 0; /* max contiguous blocks to allocate */ @@ -141,7 +142,7 @@ main(int argc, char *argv[]) part_name = 'c'; reserved = 0; while ((ch = getopt(argc, argv, - "EJL:NO:RS:T:UXa:b:c:d:e:f:g:h:i:jlm:no:p:r:s:t")) != -1) + "EJL:NO:RS:T:UXa:b:c:d:e:f:g:h:i:jk:lm:no:p:r:s:t")) != -1) switch (ch) { case 'E': Eflag = 1; @@ -248,6 +249,13 @@ main(int argc, char *argv[]) case 'l': lflag = 1; break; + case 'k': + if ((metaspace = atoi(optarg)) < 0) + errx(1, "%s: bad metadata space %%", optarg); + if (metaspace == 0) + /* force to stay zero in mkfs */ + metaspace = -1; + break; case 'm': if ((minfree = atoi(optarg)) < 0 || minfree > 99) errx(1, "%s: bad free space %%", optarg); @@ -501,6 +509,7 @@ usage() fprintf(stderr, "\t-h average files per directory\n"); fprintf(stderr, "\t-i number of bytes per inode\n"); fprintf(stderr, "\t-j enable soft updates journaling\n"); + fprintf(stderr, "\t-k space to hold for metadata blocks\n"); fprintf(stderr, "\t-l enable multilabel MAC\n"); fprintf(stderr, "\t-n do not create .snap directory\n"); fprintf(stderr, "\t-m minimum free space %%\n"); diff --git a/sbin/newfs/newfs.h b/sbin/newfs/newfs.h index 9e1da0d..72f4314 100644 --- a/sbin/newfs/newfs.h +++ b/sbin/newfs/newfs.h @@ -96,6 +96,7 @@ extern int bsize; /* block size */ extern int maxbsize; /* maximum clustering */ extern int maxblkspercg; /* maximum blocks per cylinder group */ extern int minfree; /* free space threshold */ +extern int metaspace; /* space held for metadata blocks */ extern int opt; /* optimization preference (space or time) */ extern int density; /* number of bytes per inode */ extern int maxcontig; /* max contiguous blocks to allocate */ |
