[Ocfs2-devel] [PATCH 1/6] Move resize function out of tunefs.c,
take 1
Tao Ma
tao.ma at oracle.com
Fri Nov 16 00:46:32 PST 2007
We will add online resize in tunefs.ocfs2, and it will be complicated.
so add a new file resize.c in it and move all resize function out of
tunefs.c.
Signed-off-by: Tao Ma <tao.ma at oracle.com>
---
tunefs.ocfs2/Makefile | 2
tunefs.ocfs2/resize.c | 320 +++++++++++++++++++++++++++++++++++++++++++++++++
tunefs.ocfs2/tunefs.c | 295 ---------------------------------------------
tunefs.ocfs2/tunefs.h | 6 +
4 files changed, 328 insertions(+), 295 deletions(-)
create mode 100644 tunefs.ocfs2/resize.c
755feb64b82a2c84291e713ccde2be2a5ea31f18
diff --git a/tunefs.ocfs2/Makefile b/tunefs.ocfs2/Makefile
index e6b4427..be68fc8 100644
--- a/tunefs.ocfs2/Makefile
+++ b/tunefs.ocfs2/Makefile
@@ -31,7 +31,7 @@ DEFINES = -DOCFS2_FLAT_INCLUDES -DVERSIO
MANS = tunefs.ocfs2.8
-CFILES = tunefs.c query.c remove_slot.c sparse_file.c features.c
+CFILES = tunefs.c query.c remove_slot.c sparse_file.c features.c resize.c
HFILES = tunefs.h
OBJS = $(subst .c,.o,$(CFILES))
diff --git a/tunefs.ocfs2/resize.c b/tunefs.ocfs2/resize.c
new file mode 100644
index 0000000..be5ea6b
--- /dev/null
+++ b/tunefs.ocfs2/resize.c
@@ -0,0 +1,320 @@
+/*
+ * resize.c
+ *
+ * tunefs utility for online and offline resize.
+ *
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ *
+ */
+
+#include <tunefs.h>
+
+extern ocfs2_tune_opts opts;
+
+void get_vol_size(ocfs2_filesys *fs)
+{
+ errcode_t ret = 0;
+ uint64_t num_blocks;
+
+ ret = ocfs2_get_device_size(opts.device, fs->fs_blocksize,
+ &num_blocks);
+ if (ret) {
+ com_err(opts.progname, ret, "while getting size of device %s",
+ opts.device);
+ exit(1);
+ }
+
+ if (!opts.num_blocks)
+ opts.num_blocks = num_blocks;
+
+ if (opts.num_blocks > num_blocks) {
+ com_err(opts.progname, 0, "The containing partition (or device) "
+ "is only %"PRIu64" blocks", num_blocks);
+ exit(1);
+ }
+
+ return ;
+}
+
+int validate_vol_size(ocfs2_filesys *fs)
+{
+ uint64_t num_blocks;
+
+ if (opts.num_blocks == fs->fs_blocks) {
+ com_err(opts.progname, 0, "The filesystem is already "
+ "%"PRIu64" blocks", fs->fs_blocks);
+ return -1;
+ }
+
+ if (opts.num_blocks < fs->fs_blocks) {
+ com_err(opts.progname, 0, "Cannot shrink volume size from "
+ "%"PRIu64" blocks to %"PRIu64" blocks",
+ fs->fs_blocks, opts.num_blocks);
+ return -1;
+ }
+
+ num_blocks = ocfs2_clusters_to_blocks(fs, 1);
+ if (num_blocks > (opts.num_blocks - fs->fs_blocks)) {
+ com_err(opts.progname, 0, "Cannot grow volume size less than "
+ "%d blocks", num_blocks);
+ return -1;
+ }
+
+ if (opts.num_blocks > UINT32_MAX) {
+ com_err(opts.progname, 0, "As JBD can only store block numbers "
+ "in 32 bits, %s cannot be grown to more than %"PRIu64" "
+ "blocks.", opts.device, UINT32_MAX);
+ return -1;
+ }
+
+ return 0;
+}
+
+errcode_t update_volume_size(ocfs2_filesys *fs, int *changed)
+{
+ errcode_t ret = 0;
+ struct ocfs2_dinode *di;
+ uint64_t bm_blkno = 0;
+ uint64_t gd_blkno = 0;
+ uint64_t lgd_blkno = 0;
+ char *in_buf = NULL;
+ char *gd_buf = NULL;
+ char *lgd_buf = NULL;
+ struct ocfs2_chain_list *cl;
+ struct ocfs2_chain_rec *cr;
+ struct ocfs2_group_desc *gd;
+ uint32_t cluster_chunk;
+ uint32_t num_new_clusters, save_new_clusters;
+ uint32_t first_new_cluster;
+ uint16_t chain;
+ uint32_t used_bits;
+ uint32_t total_bits;
+ uint32_t num_bits;
+ int flush_lgd = 0;
+ char *zero_buf = NULL;
+
+ ret = ocfs2_malloc_block(fs->fs_io, &in_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while allocating a block during "
+ "volume resize");
+ goto bail;
+ }
+
+ ret = ocfs2_malloc_block(fs->fs_io, &gd_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while allocating a block during "
+ "volume resize");
+ goto bail;
+ }
+
+ ret = ocfs2_malloc_block(fs->fs_io, &lgd_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while allocating a block during "
+ "volume resize");
+ goto bail;
+ }
+
+ ret = ocfs2_malloc_blocks(fs->fs_io, ocfs2_clusters_to_blocks(fs, 1),
+ &zero_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while allocating a cluster during "
+ "volume resize");
+ goto bail;
+ }
+
+ memset(zero_buf, 0, fs->fs_clustersize);
+
+ /* read global bitmap */
+ ret = ocfs2_lookup_system_inode(fs, GLOBAL_BITMAP_SYSTEM_INODE, 0,
+ &bm_blkno);
+ if (ret) {
+ com_err(opts.progname, ret, "while looking up global bitmap "
+ "inode during volume resize");
+ goto bail;
+ }
+
+ ret = ocfs2_read_inode(fs, bm_blkno, in_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while reading inode at block "
+ "%"PRIu64" during volume resize", bm_blkno);
+ goto bail;
+ }
+
+ di = (struct ocfs2_dinode *)in_buf;
+ cl = &(di->id2.i_chain);
+
+ total_bits = di->id1.bitmap1.i_total;
+ used_bits = di->id1.bitmap1.i_used;
+
+ first_new_cluster = di->i_clusters;
+ save_new_clusters = num_new_clusters =
+ ocfs2_blocks_to_clusters(fs, opts.num_blocks) - di->i_clusters;
+
+ /* Find the blknum of the last cluster group */
+ lgd_blkno = ocfs2_which_cluster_group(fs, cl->cl_cpg, first_new_cluster - 1);
+
+ ret = ocfs2_read_group_desc(fs, lgd_blkno, lgd_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while reading group descriptor "
+ "at block %"PRIu64" during volume resize", lgd_blkno);
+ goto bail;
+ }
+
+ gd = (struct ocfs2_group_desc *)lgd_buf;
+
+ /* If only one cluster group then see if we need to adjust up cl_cpg */
+ if (cl->cl_next_free_rec == 1) {
+ if (cl->cl_cpg < 8 * gd->bg_size)
+ cl->cl_cpg = 8 * gd->bg_size;
+ }
+
+ chain = gd->bg_chain;
+
+ /* If possible round off the last group to cpg */
+ cluster_chunk = MIN(num_new_clusters,
+ (cl->cl_cpg - (gd->bg_bits/cl->cl_bpc)));
+ if (cluster_chunk) {
+ num_new_clusters -= cluster_chunk;
+ first_new_cluster += cluster_chunk;
+
+ num_bits = cluster_chunk * cl->cl_bpc;
+
+ gd->bg_bits += num_bits;
+ gd->bg_free_bits_count += num_bits;
+
+ cr = &(cl->cl_recs[chain]);
+ cr->c_total += num_bits;
+ cr->c_free += num_bits;
+
+ total_bits += num_bits;
+
+ fs->fs_clusters += cluster_chunk;
+ fs->fs_blocks += ocfs2_clusters_to_blocks(fs, cluster_chunk);
+
+ /* This cluster group block is written after the new */
+ /* cluster groups are written to disk */
+ flush_lgd = 1;
+ }
+
+ /* Init the new groups and write to disk */
+ /* Add these groups one by one starting from the first chain after */
+ /* the one containing the last group */
+
+ gd = (struct ocfs2_group_desc *)gd_buf;
+
+ while(num_new_clusters) {
+ gd_blkno = ocfs2_which_cluster_group(fs, cl->cl_cpg,
+ first_new_cluster);
+ cluster_chunk = MIN(num_new_clusters, cl->cl_cpg);
+ num_new_clusters -= cluster_chunk;
+ first_new_cluster += cluster_chunk;
+
+ if (++chain >= cl->cl_count)
+ chain = 0;
+
+ ocfs2_init_group_desc(fs, gd, gd_blkno,
+ fs->fs_super->i_fs_generation, di->i_blkno,
+ (cluster_chunk *cl->cl_bpc), chain);
+
+ /* Add group to chain */
+ cr = &(cl->cl_recs[chain]);
+ if (chain >= cl->cl_next_free_rec) {
+ cl->cl_next_free_rec++;
+ cr->c_free = 0;
+ cr->c_total = 0;
+ cr->c_blkno = 0;
+ }
+
+ gd->bg_next_group = cr->c_blkno;
+ cr->c_blkno = gd_blkno;
+ cr->c_free += gd->bg_free_bits_count;
+ cr->c_total += gd->bg_bits;
+
+ used_bits += (gd->bg_bits - gd->bg_free_bits_count);
+ total_bits += gd->bg_bits;
+
+ fs->fs_clusters += cluster_chunk;
+ fs->fs_blocks += ocfs2_clusters_to_blocks(fs, cluster_chunk);
+
+ /* Initialize the first cluster in the group */
+ ret = io_write_block(fs->fs_io, gd_blkno,
+ ocfs2_clusters_to_blocks(fs, 1), zero_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while initializing the "
+ "cluster starting at block %"PRIu64" during "
+ "volume resize", gd_blkno);
+ goto bail;
+ }
+
+ /* write a new group descriptor */
+ ret = ocfs2_write_group_desc(fs, gd_blkno, gd_buf);
+ if (ret) {
+ com_err(opts.progname, ret, "while writing group "
+ "descriptor at block %"PRIu64" during "
+ "volume resize", gd_blkno);
+ goto bail;
+ }
+ }
+
+ di->id1.bitmap1.i_total = total_bits;
+ di->id1.bitmap1.i_used = used_bits;
+
+ di->i_clusters += save_new_clusters;
+ di->i_size = (uint64_t) di->i_clusters * fs->fs_clustersize;
+
+ fs->fs_super->i_clusters = di->i_clusters;
+
+ block_signals(SIG_BLOCK);
+ /* Flush that last group descriptor we updated before the new ones */
+ if (flush_lgd) {
+ ret = ocfs2_write_group_desc(fs, lgd_blkno, lgd_buf);
+ if (ret) {
+ block_signals(SIG_UNBLOCK);
+ com_err(opts.progname, ret, "while flushing group "
+ "descriptor at block %"PRIu64" during "
+ "volume resize", lgd_blkno);
+ goto bail;
+ }
+ }
+
+ /* write the global bitmap inode */
+ ret = ocfs2_write_inode(fs, bm_blkno, in_buf);
+ if (ret) {
+ block_signals(SIG_UNBLOCK);
+ com_err(opts.progname, ret, "while writing global bitmap "
+ "inode at block %"PRIu64" during volume resize",
+ bm_blkno);
+ goto bail;
+ }
+
+ block_signals(SIG_UNBLOCK);
+
+ *changed = 1;
+
+bail:
+ if (zero_buf)
+ ocfs2_free(&zero_buf);
+ if (in_buf)
+ ocfs2_free(&in_buf);
+ if (gd_buf)
+ ocfs2_free(&gd_buf);
+ if (lgd_buf)
+ ocfs2_free(&lgd_buf);
+
+ return ret;
+}
diff --git a/tunefs.ocfs2/tunefs.c b/tunefs.ocfs2/tunefs.c
index fbcee4a..207431c 100644
--- a/tunefs.ocfs2/tunefs.c
+++ b/tunefs.ocfs2/tunefs.c
@@ -66,7 +66,7 @@ static void handle_signal(int sig)
}
/* Call this with SIG_BLOCK to block and SIG_UNBLOCK to unblock */
-static void block_signals(int how)
+void block_signals(int how)
{
sigset_t sigs;
@@ -408,31 +408,6 @@ static void get_options(int argc, char *
return ;
}
-static void get_vol_size(ocfs2_filesys *fs)
-{
- errcode_t ret = 0;
- uint64_t num_blocks;
-
- ret = ocfs2_get_device_size(opts.device, fs->fs_blocksize,
- &num_blocks);
- if (ret) {
- com_err(opts.progname, ret, "while getting size of device %s",
- opts.device);
- exit(1);
- }
-
- if (!opts.num_blocks)
- opts.num_blocks = num_blocks;
-
- if (opts.num_blocks > num_blocks) {
- com_err(opts.progname, 0, "The containing partition (or device) "
- "is only %"PRIu64" blocks", num_blocks);
- exit(1);
- }
-
- return ;
-}
-
static int validate_mount_change(ocfs2_filesys *fs)
{
if (opts.mount == MOUNT_LOCAL) {
@@ -446,40 +421,6 @@ static int validate_mount_change(ocfs2_f
return -1;
}
-static int validate_vol_size(ocfs2_filesys *fs)
-{
- uint64_t num_blocks;
-
- if (opts.num_blocks == fs->fs_blocks) {
- com_err(opts.progname, 0, "The filesystem is already "
- "%"PRIu64" blocks", fs->fs_blocks);
- return -1;
- }
-
- if (opts.num_blocks < fs->fs_blocks) {
- com_err(opts.progname, 0, "Cannot shrink volume size from "
- "%"PRIu64" blocks to %"PRIu64" blocks",
- fs->fs_blocks, opts.num_blocks);
- return -1;
- }
-
- num_blocks = ocfs2_clusters_to_blocks(fs, 1);
- if (num_blocks > (opts.num_blocks - fs->fs_blocks)) {
- com_err(opts.progname, 0, "Cannot grow volume size less than "
- "%d blocks", num_blocks);
- return -1;
- }
-
- if (opts.num_blocks > UINT32_MAX) {
- com_err(opts.progname, 0, "As JBD can only store block numbers "
- "in 32 bits, %s cannot be grown to more than %"PRIu64" "
- "blocks.", opts.device, UINT32_MAX);
- return -1;
- }
-
- return 0;
-}
-
static errcode_t add_slots(ocfs2_filesys *fs)
{
errcode_t ret = 0;
@@ -994,240 +935,6 @@ bail:
return ret;
}
-static errcode_t update_volume_size(ocfs2_filesys *fs, int *changed)
-{
- errcode_t ret = 0;
- struct ocfs2_dinode *di;
- uint64_t bm_blkno = 0;
- uint64_t gd_blkno = 0;
- uint64_t lgd_blkno = 0;
- char *in_buf = NULL;
- char *gd_buf = NULL;
- char *lgd_buf = NULL;
- struct ocfs2_chain_list *cl;
- struct ocfs2_chain_rec *cr;
- struct ocfs2_group_desc *gd;
- uint32_t cluster_chunk;
- uint32_t num_new_clusters, save_new_clusters;
- uint32_t first_new_cluster;
- uint16_t chain;
- uint32_t used_bits;
- uint32_t total_bits;
- uint32_t num_bits;
- int flush_lgd = 0;
- char *zero_buf = NULL;
-
- ret = ocfs2_malloc_block(fs->fs_io, &in_buf);
- if (ret) {
- com_err(opts.progname, ret, "while allocating a block during "
- "volume resize");
- goto bail;
- }
-
- ret = ocfs2_malloc_block(fs->fs_io, &gd_buf);
- if (ret) {
- com_err(opts.progname, ret, "while allocating a block during "
- "volume resize");
- goto bail;
- }
-
- ret = ocfs2_malloc_block(fs->fs_io, &lgd_buf);
- if (ret) {
- com_err(opts.progname, ret, "while allocating a block during "
- "volume resize");
- goto bail;
- }
-
- ret = ocfs2_malloc_blocks(fs->fs_io, ocfs2_clusters_to_blocks(fs, 1),
- &zero_buf);
- if (ret) {
- com_err(opts.progname, ret, "while allocating a cluster during "
- "volume resize");
- goto bail;
- }
-
- memset(zero_buf, 0, fs->fs_clustersize);
-
- /* read global bitmap */
- ret = ocfs2_lookup_system_inode(fs, GLOBAL_BITMAP_SYSTEM_INODE, 0,
- &bm_blkno);
- if (ret) {
- com_err(opts.progname, ret, "while looking up global bitmap "
- "inode during volume resize");
- goto bail;
- }
-
- ret = ocfs2_read_inode(fs, bm_blkno, in_buf);
- if (ret) {
- com_err(opts.progname, ret, "while reading inode at block "
- "%"PRIu64" during volume resize", bm_blkno);
- goto bail;
- }
-
- di = (struct ocfs2_dinode *)in_buf;
- cl = &(di->id2.i_chain);
-
- total_bits = di->id1.bitmap1.i_total;
- used_bits = di->id1.bitmap1.i_used;
-
- first_new_cluster = di->i_clusters;
- save_new_clusters = num_new_clusters =
- ocfs2_blocks_to_clusters(fs, opts.num_blocks) - di->i_clusters;
-
- /* Find the blknum of the last cluster group */
- lgd_blkno = ocfs2_which_cluster_group(fs, cl->cl_cpg, first_new_cluster - 1);
-
- ret = ocfs2_read_group_desc(fs, lgd_blkno, lgd_buf);
- if (ret) {
- com_err(opts.progname, ret, "while reading group descriptor "
- "at block %"PRIu64" during volume resize", lgd_blkno);
- goto bail;
- }
-
- gd = (struct ocfs2_group_desc *)lgd_buf;
-
- /* If only one cluster group then see if we need to adjust up cl_cpg */
- if (cl->cl_next_free_rec == 1) {
- if (cl->cl_cpg < 8 * gd->bg_size)
- cl->cl_cpg = 8 * gd->bg_size;
- }
-
- chain = gd->bg_chain;
-
- /* If possible round off the last group to cpg */
- cluster_chunk = MIN(num_new_clusters,
- (cl->cl_cpg - (gd->bg_bits/cl->cl_bpc)));
- if (cluster_chunk) {
- num_new_clusters -= cluster_chunk;
- first_new_cluster += cluster_chunk;
-
- num_bits = cluster_chunk * cl->cl_bpc;
-
- gd->bg_bits += num_bits;
- gd->bg_free_bits_count += num_bits;
-
- cr = &(cl->cl_recs[chain]);
- cr->c_total += num_bits;
- cr->c_free += num_bits;
-
- total_bits += num_bits;
-
- fs->fs_clusters += cluster_chunk;
- fs->fs_blocks += ocfs2_clusters_to_blocks(fs, cluster_chunk);
-
- /* This cluster group block is written after the new */
- /* cluster groups are written to disk */
- flush_lgd = 1;
- }
-
- /* Init the new groups and write to disk */
- /* Add these groups one by one starting from the first chain after */
- /* the one containing the last group */
-
- gd = (struct ocfs2_group_desc *)gd_buf;
-
- while(num_new_clusters) {
- gd_blkno = ocfs2_which_cluster_group(fs, cl->cl_cpg,
- first_new_cluster);
- cluster_chunk = MIN(num_new_clusters, cl->cl_cpg);
- num_new_clusters -= cluster_chunk;
- first_new_cluster += cluster_chunk;
-
- if (++chain >= cl->cl_count)
- chain = 0;
-
- ocfs2_init_group_desc(fs, gd, gd_blkno,
- fs->fs_super->i_fs_generation, di->i_blkno,
- (cluster_chunk *cl->cl_bpc), chain);
-
- /* Add group to chain */
- cr = &(cl->cl_recs[chain]);
- if (chain >= cl->cl_next_free_rec) {
- cl->cl_next_free_rec++;
- cr->c_free = 0;
- cr->c_total = 0;
- cr->c_blkno = 0;
- }
-
- gd->bg_next_group = cr->c_blkno;
- cr->c_blkno = gd_blkno;
- cr->c_free += gd->bg_free_bits_count;
- cr->c_total += gd->bg_bits;
-
- used_bits += (gd->bg_bits - gd->bg_free_bits_count);
- total_bits += gd->bg_bits;
-
- fs->fs_clusters += cluster_chunk;
- fs->fs_blocks += ocfs2_clusters_to_blocks(fs, cluster_chunk);
-
- /* Initialize the first cluster in the group */
- ret = io_write_block(fs->fs_io, gd_blkno,
- ocfs2_clusters_to_blocks(fs, 1), zero_buf);
- if (ret) {
- com_err(opts.progname, ret, "while initializing the "
- "cluster starting at block %"PRIu64" during "
- "volume resize", gd_blkno);
- goto bail;
- }
-
- /* write a new group descriptor */
- ret = ocfs2_write_group_desc(fs, gd_blkno, gd_buf);
- if (ret) {
- com_err(opts.progname, ret, "while writing group "
- "descriptor at block %"PRIu64" during "
- "volume resize", gd_blkno);
- goto bail;
- }
- }
-
- di->id1.bitmap1.i_total = total_bits;
- di->id1.bitmap1.i_used = used_bits;
-
- di->i_clusters += save_new_clusters;
- di->i_size = (uint64_t) di->i_clusters * fs->fs_clustersize;
-
- fs->fs_super->i_clusters = di->i_clusters;
-
- block_signals(SIG_BLOCK);
- /* Flush that last group descriptor we updated before the new ones */
- if (flush_lgd) {
- ret = ocfs2_write_group_desc(fs, lgd_blkno, lgd_buf);
- if (ret) {
- block_signals(SIG_UNBLOCK);
- com_err(opts.progname, ret, "while flushing group "
- "descriptor at block %"PRIu64" during "
- "volume resize", lgd_blkno);
- goto bail;
- }
- }
-
- /* write the global bitmap inode */
- ret = ocfs2_write_inode(fs, bm_blkno, in_buf);
- if (ret) {
- block_signals(SIG_UNBLOCK);
- com_err(opts.progname, ret, "while writing global bitmap "
- "inode at block %"PRIu64" during volume resize",
- bm_blkno);
- goto bail;
- }
-
- block_signals(SIG_UNBLOCK);
-
- *changed = 1;
-
-bail:
- if (zero_buf)
- ocfs2_free(&zero_buf);
- if (in_buf)
- ocfs2_free(&in_buf);
- if (gd_buf)
- ocfs2_free(&gd_buf);
- if (lgd_buf)
- ocfs2_free(&lgd_buf);
-
- return ret;
-}
-
static errcode_t refresh_backup_super(ocfs2_filesys *fs)
{
errcode_t ret;
diff --git a/tunefs.ocfs2/tunefs.h b/tunefs.ocfs2/tunefs.h
index 566d746..3863331 100644
--- a/tunefs.ocfs2/tunefs.h
+++ b/tunefs.ocfs2/tunefs.h
@@ -98,6 +98,8 @@ typedef struct _ocfs2_tune_opts {
time_t tune_time;
} ocfs2_tune_opts;
+void block_signals(int how);
+
void print_query(char *queryfmt);
errcode_t remove_slots(ocfs2_filesys *fs);
@@ -113,4 +115,8 @@ void free_clear_ctxt(void);
errcode_t feature_check(ocfs2_filesys *fs);
errcode_t update_feature(ocfs2_filesys *fs);
+
+void get_vol_size(ocfs2_filesys *fs);
+errcode_t update_volume_size(ocfs2_filesys *fs, int *changed);
+int validate_vol_size(ocfs2_filesys *fs);
#endif /* _TUNEFS_H */
--
1.3.3
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