Cluster Project branch, STABLE2, updated. cluster-2.03.03-7-gf21cbeb
rpeterso@sourceware.org
rpeterso@sourceware.org
Wed Jun 4 19:58:00 GMT 2008
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- Log -----------------------------------------------------------------
commit f21cbeb482fad5eab16e2f14dc65dcd07d1afcaf
Author: Bob Peterson <bob@ganesha.peterson>
Date: Wed Jun 4 14:33:30 2008 -0500
Updates to gfs2_edit man page for new option.
commit d0fa71839be16af2f82b3bc8129f1ec0639fb6e5
Author: Bob Peterson <bob@ganesha.peterson>
Date: Wed Jun 4 14:26:48 2008 -0500
Make gfs2_edit more friendly to automated testing.
commit 77bf8a9c23b46f93b9a1bf8b80146002694c6750
Author: Bob Peterson <bob@ganesha.peterson>
Date: Wed Jun 4 14:24:05 2008 -0500
Fix gfs2_edit bugs with non-4K block sizes
-----------------------------------------------------------------------
Summary of changes:
gfs2/edit/gfs2hex.c | 13 ++---
gfs2/edit/hexedit.c | 141 +++++++++++++++++++++++++++++++------------------
gfs2/edit/hexedit.h | 1 -
gfs2/edit/savemeta.c | 58 ++++++++++----------
gfs2/man/gfs2_edit.8 | 4 ++
5 files changed, 128 insertions(+), 89 deletions(-)
diff --git a/gfs2/edit/gfs2hex.c b/gfs2/edit/gfs2hex.c
index 7262d78..082f5b6 100644
--- a/gfs2/edit/gfs2hex.c
+++ b/gfs2/edit/gfs2hex.c
@@ -38,7 +38,6 @@
extern struct gfs2_sb sb;
extern char *buf;
extern struct gfs2_dinode di;
-extern uint64_t bufsize;
extern int line, termlines;
extern char edit_fmt[80];
extern char estring[1024];
@@ -226,7 +225,7 @@ void do_dinode_extended(struct gfs2_dinode *di, char *buf)
memset(indirect, 0, sizeof(indirect));
if (di->di_height > 0) {
/* Indirect pointers */
- for (x = sizeof(struct gfs2_dinode); x < bufsize;
+ for (x = sizeof(struct gfs2_dinode); x < sbd.bsize;
x += sizeof(uint64_t)) {
p = be64_to_cpu(*(uint64_t *)(buf + x));
if (p) {
@@ -243,7 +242,7 @@ void do_dinode_extended(struct gfs2_dinode *di, char *buf)
indirect->ii[0].dirents = 0;
indirect->ii[0].block = block;
indirect->ii[0].is_dir = TRUE;
- for (x = sizeof(struct gfs2_dinode); x < bufsize; x += skip) {
+ for (x = sizeof(struct gfs2_dinode); x < sbd.bsize; x += skip) {
skip = indirect_dirent(indirect->ii,
buf + x,
indirect->ii[0].dirents);
@@ -275,7 +274,7 @@ void do_dinode_extended(struct gfs2_dinode *di, char *buf)
gfs2_leaf_in(&leaf, tmp_bh->b_data);
indirect->ii[indirect_blocks].dirents = 0;
for (direntcount = 0, bufoffset = sizeof(struct gfs2_leaf);
- bufoffset < bufsize;
+ bufoffset < sbd.bsize;
direntcount++, bufoffset += skip) {
skip = indirect_dirent(&indirect->ii[indirect_blocks],
tmp_bh->b_data + bufoffset,
@@ -317,7 +316,7 @@ int do_indirect_extended(char *buf, struct iinfo *iinf)
memset(iinf, 0, sizeof(struct iinfo));
for (x = (gfs1 ? sizeof(struct gfs_indirect):
sizeof(struct gfs2_meta_header)), y = 0;
- x < bufsize;
+ x < sbd.bsize;
x += sizeof(uint64_t), y++) {
p = be64_to_cpu(*(uint64_t *)(buf + x));
if (p) {
@@ -352,7 +351,7 @@ void do_leaf_extended(char *buf, struct iinfo *indir)
x = 0;
memset(indir, 0, sizeof(indir));
/* Directory Entries: */
- for (i = sizeof(struct gfs2_leaf); i < bufsize;
+ for (i = sizeof(struct gfs2_leaf); i < sbd.bsize;
i += de.de_rec_len) {
gfs2_dirent_in(&de, buf + i);
if (de.de_inum.no_addr) {
@@ -399,7 +398,7 @@ void do_eattr_extended(char *buf)
print_gfs2("Eattr Entries:");
eol(0);
- for (x = sizeof(struct gfs2_meta_header); x < bufsize; x += ea.ea_rec_len)
+ for (x = sizeof(struct gfs2_meta_header); x < sbd.bsize; x += ea.ea_rec_len)
{
eol(0);
gfs2_ea_header_in(&ea, buf + x);
diff --git a/gfs2/edit/hexedit.c b/gfs2/edit/hexedit.c
index 07edf81..9189979 100644
--- a/gfs2/edit/hexedit.c
+++ b/gfs2/edit/hexedit.c
@@ -469,8 +469,8 @@ int display_block_type(const char *lpBuffer, int from_restore)
if (!screen_chunk_size)
screen_chunk_size = 256;
print_gfs2("(p.%d of %d)", (offset / screen_chunk_size) + 1,
- (bufsize % screen_chunk_size) > 0 ?
- bufsize / screen_chunk_size + 1 : bufsize /
+ (sbd.bsize % screen_chunk_size) > 0 ?
+ sbd.bsize / screen_chunk_size + 1 : sbd.bsize /
screen_chunk_size);
/*eol(9);*/
}
@@ -534,7 +534,7 @@ int hexdump(uint64_t startaddr, const char *lpBuffer, int len)
line < termlines &&
line <= ((screen_chunk_size / 16) + 2)) ||
(!termlines && l < len)) &&
- l < bufsize) {
+ l < sbd.bsize) {
if (termlines) {
move(line, 0);
COLORS_OFFSETS; /* cyan for offsets */
@@ -942,8 +942,15 @@ int print_jindex(struct gfs2_inode *di)
int print_inum(struct gfs2_inode *di)
{
uint64_t buf, inodenum;
+ int rc;
- if (gfs2_readi(di, (void *)&buf, 0, sizeof(buf)) != sizeof(buf)) {
+ rc = gfs2_readi(di, (void *)&buf, 0, sizeof(buf));
+ if (!rc) {
+ print_gfs2("The inum file is empty.");
+ eol(0);
+ return 0;
+ }
+ if (rc != sizeof(buf)) {
print_gfs2("Error reading inum file.");
eol(0);
return -1;
@@ -960,8 +967,15 @@ int print_inum(struct gfs2_inode *di)
int print_statfs(struct gfs2_inode *di)
{
struct gfs2_statfs_change buf, sfc;
+ int rc;
- if (gfs2_readi(di, (void *)&buf, 0, sizeof(buf)) != sizeof(buf)) {
+ rc = gfs2_readi(di, (void *)&buf, 0, sizeof(buf));
+ if (!rc) {
+ print_gfs2("The statfs file is empty.");
+ eol(0);
+ return 0;
+ }
+ if (rc != sizeof(buf)) {
print_gfs2("Error reading statfs file.");
eol(0);
return -1;
@@ -1160,8 +1174,8 @@ int display_indirect(struct iinfo *ind, int indblocks, int level, uint64_t start
diptrs = 483;
inptrs = 501;
} else {
- diptrs = (bufsize - sizeof(sizeof(struct gfs2_dinode))) / sizeof(uint64_t);
- inptrs = (bufsize - sizeof(sizeof(struct gfs2_meta_header))) /
+ diptrs = (sbd.bsize - sizeof(sizeof(struct gfs2_dinode))) / sizeof(uint64_t);
+ inptrs = (sbd.bsize - sizeof(sizeof(struct gfs2_meta_header))) /
sizeof(uint64_t);
}
/* Multiply out the max factor based on inode height.*/
@@ -1228,7 +1242,7 @@ int display_indirect(struct iinfo *ind, int indblocks, int level, uint64_t start
offsets[0] = pndx;
for (hgt = cur_height; hgt >= 0; hgt--)
file_offset += offsets[cur_height - hgt] *
- factor[di.di_height - hgt - 1] * bufsize;
+ factor[di.di_height - hgt - 1] * sbd.bsize;
print_gfs2(" ");
h = 'K';
human_off = (file_offset / 1024.0);
@@ -1250,12 +1264,12 @@ int display_indirect(struct iinfo *ind, int indblocks, int level, uint64_t start
char *tmpbuf;
more_indir = malloc(sizeof(struct iinfo));
- tmpbuf = malloc(bufsize);
+ tmpbuf = malloc(sbd.bsize);
if (tmpbuf) {
do_lseek(sbd.device_fd,
- ind->ii[pndx].block * bufsize);
+ ind->ii[pndx].block * sbd.bsize);
do_read(sbd.device_fd, tmpbuf,
- bufsize); /* read in the desired block */
+ sbd.bsize); /* read in the desired block */
memset(more_indir, 0, sizeof(struct iinfo));
if (S_ISDIR(di.di_mode)) {
do_leaf_extended(tmpbuf, more_indir);
@@ -1332,6 +1346,8 @@ int block_is_inum_file(void)
/* ------------------------------------------------------------------------ */
int block_is_statfs_file(void)
{
+ if (gfs1 && block == gfs1_license_di.no_addr)
+ return TRUE;
if (!gfs1 && block == masterblock("statfs"))
return TRUE;
return FALSE;
@@ -1342,8 +1358,9 @@ int block_is_statfs_file(void)
/* ------------------------------------------------------------------------ */
int block_is_quota_file(void)
{
- if ((gfs1 && block == gfs1_quota_di.no_addr) ||
- (block == masterblock("quota")))
+ if (gfs1 && block == gfs1_quota_di.no_addr)
+ return TRUE;
+ if (!gfs1 && block == masterblock("quota"))
return TRUE;
return FALSE;
}
@@ -1430,7 +1447,7 @@ void read_superblock(int fd)
sbd1 = (struct gfs_sb *)&sbd.sd_sb;
ioctl(fd, BLKFLSBUF, 0);
do_lseek(fd, 0x10 * 4096);
- do_read(fd, buf, bufsize); /* read in the desired block */
+ do_read(fd, buf, sbd.bsize); /* read in the desired block */
memset(&sbd, 0, sizeof(struct gfs2_sbd));
sbd.device_fd = fd;
sbd.bsize = GFS2_DEFAULT_BSIZE;
@@ -1459,10 +1476,11 @@ void read_superblock(int fd)
}
else
gfs1 = FALSE;
- bufsize = sbd.sd_sb.sb_bsize;
- if (!bufsize)
- bufsize = GFS2_DEFAULT_BSIZE;
- block = 0x10 * (GFS2_DEFAULT_BSIZE / bufsize);
+ sbd.bsize = sbd.sd_sb.sb_bsize;
+ if (!sbd.bsize)
+ sbd.bsize = GFS2_DEFAULT_BSIZE;
+ compute_constants(&sbd);
+ block = 0x10 * (GFS2_DEFAULT_BSIZE / sbd.bsize);
}
/* ------------------------------------------------------------------------ */
@@ -1471,8 +1489,8 @@ void read_superblock(int fd)
void read_master_dir(void)
{
ioctl(sbd.device_fd, BLKFLSBUF, 0);
- do_lseek(sbd.device_fd, sbd.sd_sb.sb_master_dir.no_addr * bufsize);
- do_read(sbd.device_fd, buf, bufsize); /* read in the desired block */
+ do_lseek(sbd.device_fd, sbd.sd_sb.sb_master_dir.no_addr * sbd.bsize);
+ do_read(sbd.device_fd, buf, sbd.bsize); /* read in the desired block */
gfs2_dinode_in(&di, buf); /* parse disk inode into structure */
do_dinode_extended(&di, buf); /* get extended data, if any */
memcpy(&masterdir, &indirect[0], sizeof(struct indirect_info));
@@ -1497,10 +1515,10 @@ int display(int identify_only)
move(2,0);
}
if (block_in_mem != blk) { /* If we changed blocks from the last read */
- dev_offset = blk * bufsize;
+ dev_offset = blk * sbd.bsize;
ioctl(sbd.device_fd, BLKFLSBUF, 0);
do_lseek(sbd.device_fd, dev_offset);
- do_read(sbd.device_fd, buf, bufsize); /* read desired block */
+ do_read(sbd.device_fd, buf, sbd.bsize); /* read desired block */
block_in_mem = blk; /* remember which block is in memory */
}
line = 1;
@@ -1509,7 +1527,7 @@ int display(int identify_only)
return 0;
indirect_blocks = 0;
lines_per_row[dmode] = 1;
- if (gfs2_struct_type == GFS2_METATYPE_SB || blk == 0x10 * (4096 / bufsize)) {
+ if (gfs2_struct_type == GFS2_METATYPE_SB || blk == 0x10 * (4096 / sbd.bsize)) {
gfs2_sb_in(&sbd.sd_sb, buf); /* parse it out into the sb structure */
memset(indirect, 0, sizeof(indirect));
indirect->ii[0].block = sbd.sd_sb.sb_master_dir.no_addr;
@@ -1558,7 +1576,7 @@ int display(int identify_only)
if (dmode == HEX_MODE) /* if hex display mode */
hexdump(dev_offset, buf,
(gfs2_struct_type == GFS2_METATYPE_DI)?
- struct_len + di.di_size:bufsize);
+ struct_len + di.di_size:sbd.bsize);
else if (dmode == GFS2_MODE) /* if structure display */
display_gfs2(); /* display the gfs2 structure */
else
@@ -1714,7 +1732,7 @@ void hex_edit(int *exitch)
int left_off;
int ch;
- left_off = ((block * bufsize) < 0xffffffff) ? 9 : 17;
+ left_off = ((block * sbd.bsize) < 0xffffffff) ? 9 : 17;
/* 8 and 16 char addresses on screen */
if (bobgets(estring, edit_row[dmode] + 3,
@@ -1747,7 +1765,7 @@ void hex_edit(int *exitch)
buf[offset + hexoffset] = ch;
}
do_lseek(sbd.device_fd, dev_offset);
- do_write(sbd.device_fd, buf, bufsize);
+ do_write(sbd.device_fd, buf, sbd.bsize);
fsync(sbd.device_fd);
}
}
@@ -1775,10 +1793,10 @@ void pageup(void)
if (dmode == GFS2_MODE || offset==0) {
block--;
if (dmode == HEX_MODE)
- offset = (bufsize % screen_chunk_size) > 0 ?
+ offset = (sbd.bsize % screen_chunk_size) > 0 ?
screen_chunk_size *
- (bufsize / screen_chunk_size) :
- bufsize - screen_chunk_size;
+ (sbd.bsize / screen_chunk_size) :
+ sbd.bsize - screen_chunk_size;
else
offset = 0;
}
@@ -1806,7 +1824,7 @@ void pagedn(void)
else {
start_row[dmode] = edit_row[dmode] = 0;
if (dmode == GFS2_MODE ||
- offset + screen_chunk_size >= bufsize) {
+ offset + screen_chunk_size >= sbd.bsize) {
block++;
offset = 0;
}
@@ -1912,7 +1930,7 @@ void interactive_mode(void)
edit_row[dmode] = 0;
}
else {
- block = 0x10 * (4096 / bufsize);
+ block = 0x10 * (4096 / sbd.bsize);
push_block(block);
offset = 0;
}
@@ -2143,7 +2161,7 @@ void dump_journal(const char *journal)
uint64_t jindex_block, jblock, j_size, jb;
int error, start_line, journal_num;
struct gfs2_dinode jdi;
- char jbuf[bufsize];
+ char jbuf[sbd.bsize];
struct gfs2_inode *j_inode = NULL;
start_line = line;
@@ -2187,16 +2205,16 @@ void dump_journal(const char *journal)
j_size = jdi.di_size;
}
- for (jb = 0; jb < j_size; jb += (gfs1 ? 1:bufsize)) {
+ for (jb = 0; jb < j_size; jb += (gfs1 ? 1:sbd.bsize)) {
if (gfs1) {
if (j_bh)
brelse(j_bh, not_updated);
j_bh = bread(&sbd, jblock + jb);
- memcpy(jbuf, j_bh->b_data, bufsize);
+ memcpy(jbuf, j_bh->b_data, sbd.bsize);
}
else
error = gfs2_readi(j_inode, (void *)&jbuf, jb,
- bufsize);
+ sbd.bsize);
if (!error) /* end of file */
break;
if (get_block_type(jbuf) == GFS2_METATYPE_LD) {
@@ -2221,7 +2239,7 @@ void dump_journal(const char *journal)
"Quota", "Final Entry", "Unknown"}};
print_gfs2("Block #%4llx: Log descriptor, ",
- jb / (gfs1 ? 1 : bufsize));
+ jb / (gfs1 ? 1 : sbd.bsize));
gfs2_log_descriptor_in(&ld, jbuf);
print_gfs2("type %d ", ld.ld_type);
@@ -2241,7 +2259,7 @@ void dump_journal(const char *journal)
else
b = (uint64_t *)(jbuf +
sizeof(struct gfs2_log_descriptor));
- while (*b && (char *)b < (jbuf + bufsize)) {
+ while (*b && (char *)b < (jbuf + sbd.bsize)) {
if (!termlines ||
(print_entry_ndx >= start_row[dmode] &&
((print_entry_ndx - start_row[dmode])+1) *
@@ -2271,7 +2289,7 @@ void dump_journal(const char *journal)
gfs2_log_header_in(&lh, jbuf);
print_gfs2("Block #%4llx: Log header: Seq"
"= 0x%x, tail = 0x%x, blk = 0x%x",
- jb / bufsize, lh.lh_sequence,
+ jb / sbd.bsize, lh.lh_sequence,
lh.lh_tail, lh.lh_blkno);
}
eol(0);
@@ -2401,15 +2419,17 @@ void process_parameters(int argc, char *argv[], int pass)
max_block, max_block);
else if (!strcmp(argv[i], "sb") ||
!strcmp(argv[i], "superblock"))
- push_block(0x10 * (4096 / bufsize)); /* superblock */
+ push_block(0x10 * (4096 / sbd.bsize)); /* superblock */
else if (!strcmp(argv[i], "root") ||
!strcmp(argv[i], "rootdir"))
push_block(sbd.sd_sb.sb_root_dir.no_addr);
else if (!strcmp(argv[i], "master")) {
- if (!gfs1)
- push_block(sbd.sd_sb.sb_master_dir.no_addr);
- else
- fprintf(stderr, "This is GFS1; there's no master directory.\n");
+ if (gfs1) {
+ fprintf(stderr, "Error: 'master' is invalid "
+ "for GFS (1) file systems.\n");
+ exit(-1);
+ }
+ push_block(sbd.sd_sb.sb_master_dir.no_addr);
}
else if (!strcmp(argv[i], "jindex")) {
if (gfs1)
@@ -2417,12 +2437,28 @@ void process_parameters(int argc, char *argv[], int pass)
else
push_block(masterblock("jindex"));/* journal index */
}
- else if (!gfs1 && !strcmp(argv[i], "per_node"))
+ else if (!strcmp(argv[i], "per_node")) {
+ if (gfs1) {
+ fprintf(stderr, "Error: 'per_node' is invalid "
+ "for GFS (1) file systems.\n");
+ exit(-1);
+ }
push_block(masterblock("per_node"));
- else if (!gfs1 && !strcmp(argv[i], "inum"))
+ }
+ else if (!strcmp(argv[i], "inum")) {
+ if (gfs1) {
+ fprintf(stderr, "Error: 'inum' is invalid "
+ "for GFS (1) file systems.\n");
+ exit(-1);
+ }
push_block(masterblock("inum"));
- else if (!gfs1 && !strcmp(argv[i], "statfs"))
- push_block(masterblock("statfs"));
+ }
+ else if (!strcmp(argv[i], "statfs")) {
+ if (gfs1)
+ push_block(gfs1_license_di.no_addr);
+ else
+ push_block(masterblock("statfs"));
+ }
else if (!strcmp(argv[i], "rindex") ||
!strcmp(argv[i], "rgindex")) {
if (gfs1)
@@ -2510,7 +2546,7 @@ void process_parameters(int argc, char *argv[], int pass)
else {
fprintf(stderr,"I don't know what '%s' means.\n", argv[i]);
usage();
- exit(0);
+ exit(-1);
}
}
}
@@ -2545,7 +2581,8 @@ int main(int argc, char *argv[])
memset(edit_size, 0, sizeof(edit_size));
memset(last_entry_onscreen, 0, sizeof(last_entry_onscreen));
dmode = HEX_MODE;
- type_alloc(buf, char, bufsize); /* allocate/malloc a new 4K buffer */
+ sbd.bsize = 4096;
+ type_alloc(buf, char, sbd.bsize); /* allocate/malloc a new 4K buffer */
block = 0x10;
for (i = 0; i < BLOCK_STACK_SIZE; i++) {
blockstack[i].dmode = dmode;
@@ -2568,11 +2605,11 @@ int main(int argc, char *argv[])
fd = open(device, O_RDWR);
if (fd < 0)
die("can't open %s: %s\n", device, strerror(errno));
- max_block = lseek(fd, 0, SEEK_END) / bufsize;
+ max_block = lseek(fd, 0, SEEK_END) / sbd.bsize;
read_superblock(fd);
- max_block = lseek(fd, 0, SEEK_END) / bufsize;
- blockstack[0].block = 0x10 * (4096 / bufsize);
+ max_block = lseek(fd, 0, SEEK_END) / sbd.bsize;
+ blockstack[0].block = 0x10 * (4096 / sbd.bsize);
strcpy(sbd.device_name, device);
if (!gfs1)
read_master_dir();
diff --git a/gfs2/edit/hexedit.h b/gfs2/edit/hexedit.h
index 40cf47c..1ff2775 100644
--- a/gfs2/edit/hexedit.h
+++ b/gfs2/edit/hexedit.h
@@ -74,7 +74,6 @@ EXTERN char estring[1024]; /* edit string */
EXTERN uint64_t dev_offset INIT(0);
EXTERN uint64_t max_block INIT(0);
EXTERN char *buf INIT(NULL);
-EXTERN uint64_t bufsize INIT(4096);
EXTERN int termlines INIT(30);
EXTERN int termcols INIT(80);
EXTERN int insert INIT(0);
diff --git a/gfs2/edit/savemeta.c b/gfs2/edit/savemeta.c
index d582304..e27d9df 100644
--- a/gfs2/edit/savemeta.c
+++ b/gfs2/edit/savemeta.c
@@ -383,7 +383,7 @@ int get_gfs_struct_info(char *buf, int *block_type, int *struct_len)
struct gfs2_meta_header mh;
*block_type = 0;
- *struct_len = bufsize;
+ *struct_len = sbd.bsize;
gfs2_meta_header_in(&mh, buf);
if (mh.mh_magic != GFS2_MAGIC)
@@ -396,19 +396,19 @@ int get_gfs_struct_info(char *buf, int *block_type, int *struct_len)
*struct_len = sizeof(struct gfs_sb);
break;
case GFS2_METATYPE_RG: /* 2 (rsrc grp hdr) */
- *struct_len = bufsize; /*sizeof(struct gfs_rgrp);*/
+ *struct_len = sbd.bsize; /*sizeof(struct gfs_rgrp);*/
break;
case GFS2_METATYPE_RB: /* 3 (rsrc grp bitblk) */
- *struct_len = bufsize;
+ *struct_len = sbd.bsize;
break;
case GFS2_METATYPE_DI: /* 4 (disk inode) */
- *struct_len = bufsize; /*sizeof(struct gfs_dinode);*/
+ *struct_len = sbd.bsize; /*sizeof(struct gfs_dinode);*/
break;
case GFS2_METATYPE_IN: /* 5 (indir inode blklst) */
- *struct_len = bufsize; /*sizeof(struct gfs_indirect);*/
+ *struct_len = sbd.bsize; /*sizeof(struct gfs_indirect);*/
break;
case GFS2_METATYPE_LF: /* 6 (leaf dinode blklst) */
- *struct_len = bufsize; /*sizeof(struct gfs_leaf);*/
+ *struct_len = sbd.bsize; /*sizeof(struct gfs_leaf);*/
break;
case GFS2_METATYPE_JD: /* 7 (journal data) */
*struct_len = sizeof(struct gfs2_meta_header);
@@ -417,16 +417,16 @@ int get_gfs_struct_info(char *buf, int *block_type, int *struct_len)
*struct_len = sizeof(struct gfs2_log_header);
break;
case GFS2_METATYPE_LD: /* 9 (log descriptor) */
- *struct_len = bufsize;
+ *struct_len = sbd.bsize;
break;
case GFS2_METATYPE_EA: /* 10 (extended attr hdr) */
- *struct_len = bufsize;
+ *struct_len = sbd.bsize;
break;
case GFS2_METATYPE_ED: /* 11 (extended attr data) */
- *struct_len = bufsize;
+ *struct_len = sbd.bsize;
break;
default:
- *struct_len = bufsize;
+ *struct_len = sbd.bsize;
break;
}
return 0;
@@ -509,8 +509,8 @@ int save_block(int fd, int out_fd, uint64_t blk)
return 0;
}
memset(savedata, 0, sizeof(struct saved_metablock));
- do_lseek(fd, blk * bufsize);
- do_read(fd, savedata->buf, bufsize); /* read in the block */
+ do_lseek(fd, blk * sbd.bsize);
+ do_read(fd, savedata->buf, sbd.bsize); /* read in the block */
/* If this isn't metadata and isn't a system file, we don't want it.
Note that we're checking "block" here rather than blk. That's
@@ -522,7 +522,7 @@ int save_block(int fd, int out_fd, uint64_t blk)
return 0; /* Not metadata, and not system file, so skip it */
trailing0 = 0;
p = &savedata->buf[blklen - 1];
- while (*p=='\0' && trailing0 < bufsize) {
+ while (*p=='\0' && trailing0 < sbd.bsize) {
trailing0++;
p--;
}
@@ -597,7 +597,7 @@ void save_inode_data(int out_fd)
for (i = 0; i < GFS2_MAX_META_HEIGHT; i++)
osi_list_init(&metalist[i]);
- buf = malloc(bufsize);
+ buf = malloc(sbd.bsize);
metabh = bread(&sbd, block);
inode = inode_get(&sbd, metabh);
height = inode->i_di.di_height;
@@ -645,7 +645,7 @@ void save_inode_data(int out_fd)
gfs2_meta_header_in(&mh, metabh->b_data);
if (mh.mh_magic == GFS2_MAGIC) {
for (e = sizeof(struct gfs2_meta_header);
- e < bufsize; e += ea.ea_rec_len) {
+ e < sbd.bsize; e += ea.ea_rec_len) {
uint64_t blk, *b;
int charoff;
@@ -751,7 +751,7 @@ void savemeta(const char *out_fn, int saveoption)
do_lseek(sbd.device_fd, 0);
blks_saved = total_out = last_reported_block = 0;
- bufsize = BUFSIZE;
+ sbd.bsize = BUFSIZE;
if (!slow) {
int i;
@@ -766,11 +766,11 @@ void savemeta(const char *out_fn, int saveoption)
if(!gfs1 && read_sb(&sbd) < 0)
slow = TRUE;
else
- bufsize = sbd.bsize = sbd.sd_sb.sb_bsize;
+ sbd.bsize = sbd.bsize = sbd.sd_sb.sb_bsize;
}
- last_fs_block = lseek(sbd.device_fd, 0, SEEK_END) / bufsize;
- printf("There are %" PRIu64 " blocks of %" PRIu64 " bytes.\n",
- last_fs_block, bufsize);
+ last_fs_block = lseek(sbd.device_fd, 0, SEEK_END) / sbd.bsize;
+ printf("There are %" PRIu64 " blocks of %u bytes.\n",
+ last_fs_block, sbd.bsize);
if (!slow) {
if (gfs1) {
sbd.md.riinode =
@@ -810,7 +810,7 @@ void savemeta(const char *out_fn, int saveoption)
get_journal_inode_blocks();
if (!slow) {
/* Save off the superblock */
- save_block(sbd.device_fd, out_fd, 0x10 * (4096 / bufsize));
+ save_block(sbd.device_fd, out_fd, 0x10 * (4096 / sbd.bsize));
/* If this is gfs1, save off the rindex because it's not
part of the file system as it is in gfs2. */
if (gfs1) {
@@ -898,7 +898,7 @@ int restore_data(int fd, int in_fd, int printblocksonly)
fprintf(stderr, "Error reading from file.\n");
return -1;
}
- total_out += bufsize;
+ total_out += sbd.bsize;
savedata->blk = be64_to_cpu(buf64);
if (!printblocksonly &&
last_fs_block && savedata->blk >= last_fs_block) {
@@ -930,15 +930,15 @@ int restore_data(int fd, int in_fd, int printblocksonly)
fprintf(stderr,"Error: Invalid superblock data.\n");
return -1;
}
- bufsize = sbd.sd_sb.sb_bsize;
+ sbd.bsize = sbd.sd_sb.sb_bsize;
if (!printblocksonly) {
last_fs_block =
lseek(fd, 0, SEEK_END) /
- bufsize;
- printf("There are %" PRIu64 " blocks of %" \
- PRIu64 " bytes in the destination" \
+ sbd.bsize;
+ printf("There are %" PRIu64 " blocks of " \
+ "%u bytes in the destination" \
" file system.\n\n",
- last_fs_block, bufsize);
+ last_fs_block, sbd.bsize);
}
first = 0;
}
@@ -954,8 +954,8 @@ int restore_data(int fd, int in_fd, int printblocksonly)
"device; quitting.\n");
break;
}
- do_lseek(fd, savedata->blk * bufsize);
- do_write(fd, savedata->buf, bufsize);
+ do_lseek(fd, savedata->blk * sbd.bsize);
+ do_write(fd, savedata->buf, sbd.bsize);
writes++;
}
blks_saved++;
diff --git a/gfs2/man/gfs2_edit.8 b/gfs2/man/gfs2_edit.8
index 022382f..5cd3e16 100644
--- a/gfs2/man/gfs2_edit.8
+++ b/gfs2/man/gfs2_edit.8
@@ -126,6 +126,10 @@ block in the file system for metadata. This option is less prone to failure
due to file system corruption than the savemeta option, but it is
extremely slow.
.TP
+\fBsavergs\fP \fI<device>\fR \fI<filename>\fR
+Save off only the GFS2 resource group metadata for the file system on the
+specified device to a file given by <filename>.
+.TP
\fBrestoremeta\fP \fI<filename>\fR \fI<dest device>\fR
Take a file created with the savemeta option and restores its
contents on top of the specified destination device. \fBWARNING\fP:
hooks/post-receive
--
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