diff options
| -rw-r--r-- | man/mkfs.btrfs.8.in | 8 | ||||
| -rw-r--r-- | mkfs.c | 11 |
2 files changed, 1 insertions, 18 deletions
diff --git a/man/mkfs.btrfs.8.in b/man/mkfs.btrfs.8.in index 05180f8b..a3f15034 100644 --- a/man/mkfs.btrfs.8.in +++ b/man/mkfs.btrfs.8.in @@ -17,7 +17,6 @@ mkfs.btrfs \- create a btrfs filesystem [ \fB\-K\fP ] [ \fB\-h\fP ] [ \fB\-V\fP ] -[ \fB\-x\fP\fI skinny-extents\fP ] \fI device\fP [ \fIdevice ...\fP ] .SH DESCRIPTION .B mkfs.btrfs @@ -80,13 +79,6 @@ Do not perform whole device TRIM operation by default. .TP \fB\-V\fR, \fB\-\-version\fR Print the \fBmkfs.btrfs\fP version and exit. -.TP -\fB\-x\fR, \fB\-\-skinny\-extents\fR -Use the new skinny extents disk format. This is an non-backwards compatible -format change. This allows btrfs to use a smaller item for describing -metadata blocks in the extent tree. This results in a 30% savings in the -extent tree size, which improves performance on file systems with lots of -metadata. .SH UNIT As default the unit is the byte, however it is possible to append a suffix to the arguments like \fBk\fP for KBytes, \fBm\fP for MBytes... @@ -337,7 +337,6 @@ static void print_usage(void) fprintf(stderr, "\t -r --rootdir the source directory\n"); fprintf(stderr, "\t -K --nodiscard do not perform whole device TRIM\n"); fprintf(stderr, "\t -V --version print the mkfs.btrfs version and exit\n"); - fprintf(stderr, "\t -x --skinny-extents use the new skinny extent disk format"); fprintf(stderr, "%s\n", BTRFS_BUILD_VERSION); exit(1); } @@ -398,7 +397,6 @@ static struct option long_options[] = { { "version", 0, NULL, 'V' }, { "rootdir", 1, NULL, 'r' }, { "nodiscard", 0, NULL, 'K' }, - { "skinny-extents", 0, NULL, 'x'}, { 0, 0, 0, 0} }; @@ -1291,7 +1289,6 @@ int main(int ac, char **av) int nodiscard = 0; int ssd = 0; int force_overwrite = 0; - int skinny_meta_extents = 0; char *source_dir = NULL; int source_dir_set = 0; @@ -1307,7 +1304,7 @@ int main(int ac, char **av) while(1) { int c; - c = getopt_long(ac, av, "A:b:fl:n:s:m:d:L:r:VMKx", + c = getopt_long(ac, av, "A:b:fl:n:s:m:d:L:r:VMK", long_options, &option_index); if (c < 0) break; @@ -1359,9 +1356,6 @@ int main(int ac, char **av) case 'K': nodiscard=1; break; - case 'x': - skinny_meta_extents = 1; - break; default: print_usage(); } @@ -1539,9 +1533,6 @@ raid_groups: if (mixed) flags |= BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS; - if (skinny_meta_extents) - flags |= BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA; - btrfs_set_super_incompat_flags(super, flags); if ((data_profile | metadata_profile) & |