Linux Archive

Linux Archive (http://www.linux-archive.org/)
-   Cluster Development (http://www.linux-archive.org/cluster-development/)
-   -   cluster/gfs2/edit hexedit.h savemeta.c (http://www.linux-archive.org/cluster-development/7394-cluster-gfs2-edit-hexedit-h-savemeta-c.html)

11-28-2007 03:42 PM

cluster/gfs2/edit hexedit.h savemeta.c
 
CVSROOT: /cvs/cluster
Module name: cluster
Changes by: rpeterso@sourceware.org 2007-11-28 16:42:48

Modified files:
gfs2/edit : hexedit.h savemeta.c

Log message:
Resolves: bz 402971: GFS2: gfs2_edit savemeta doesn't save rindex file.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs2/edit/hexedit.h.diff?cvsroot=cluster&r1=1.14&r2=1.15
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs2/edit/savemeta.c.diff?cvsroot=cluster&r1=1.6&r2=1.7

--- cluster/gfs2/edit/hexedit.h 2007/11/13 17:22:06 1.14
+++ cluster/gfs2/edit/hexedit.h 2007/11/28 16:42:48 1.15
@@ -136,6 +136,7 @@
};

EXTERN int block_is_jindex(void);
+EXTERN int block_is_rindex(void);
EXTERN int block_is_inum_file(void);
EXTERN int block_is_statfs_file(void);
EXTERN int block_is_quota_file(void);
--- cluster/gfs2/edit/savemeta.c 2007/11/15 20:32:42 1.6
+++ cluster/gfs2/edit/savemeta.c 2007/11/28 16:42:48 1.7
@@ -383,7 +383,7 @@
struct gfs2_meta_header mh;

*block_type = 0;
- *struct_len = 0;
+ *struct_len = bufsize;

gfs2_meta_header_in(&mh, buf);
if (mh.mh_magic != GFS2_MAGIC)
@@ -492,6 +492,7 @@
block_is_inum_file() ||
block_is_statfs_file() ||
block_is_quota_file() ||
+ block_is_rindex() ||
block_is_a_journal();
}

@@ -501,6 +502,12 @@
uint16_t trailing0;
char *p;

+ if (blk > last_fs_block) {
+ fprintf(stderr, "
Warning: bad block pointer ignored in "
+ "block (block %llu (%llx))",
+ (unsigned long long)block, (unsigned long long)block);
+ return 0;
+ }
memset(savedata, 0, sizeof(struct saved_metablock));
do_lseek(fd, blk * bufsize);
do_read(fd, savedata->buf, bufsize); /* read in the block */
@@ -536,12 +543,11 @@
void save_indirect_blocks(int out_fd, osi_list_t *cur_list,
struct gfs2_buffer_head *mybh, int height, int hgt)
{
- uint64_t old_block = 0, starting_block;
+ uint64_t old_block = 0, indir_block;
uint64_t *ptr;
int head_size;
struct gfs2_buffer_head *nbh;

- starting_block = block; /* remember where we started */
head_size = (hgt > 1 ?
sizeof(struct gfs2_meta_header) :
sizeof(struct gfs2_dinode));
@@ -550,19 +556,18 @@
(char *)ptr < (mybh->b_data + mybh->b_size); ptr++) {
if (!*ptr)
continue;
- block = be64_to_cpu(*ptr);
- if (block == old_block)
+ indir_block = be64_to_cpu(*ptr);
+ if (indir_block == old_block)
continue;
- old_block = block;
- save_block(sbd.device_fd, out_fd, block);
+ old_block = indir_block;
+ save_block(sbd.device_fd, out_fd, indir_block);
if (height != hgt) { /* If not at max height */
- nbh = bread(&sbd, block);
+ nbh = bread(&sbd, indir_block);
osi_list_add_prev(&nbh->b_altlist,
cur_list);
brelse(nbh, not_updated);
}
} /* for all data on the indirect block */
- block = starting_block; /* go back to where we started */
}

/*
@@ -632,28 +637,37 @@
}
if (inode->i_di.di_eattr) { /* if this inode has extended attributes */
struct gfs2_ea_header ea;
+ struct gfs2_meta_header mh;
int e;

metabh = bread(&sbd, inode->i_di.di_eattr);
save_block(sbd.device_fd, out_fd, inode->i_di.di_eattr);
- for (e = sizeof(struct gfs2_meta_header);
- e < bufsize; e += ea.ea_rec_len) {
- uint64_t blk, *b;
- int charoff;
-
- gfs2_ea_header_in(&ea, metabh->b_data + e);
- for (i = 0; i < ea.ea_num_ptrs; i++) {
- charoff = e + ea.ea_name_len +
- sizeof(struct gfs2_ea_header) +
- sizeof(uint64_t) - 1;
- charoff /= sizeof(uint64_t);
- b = (uint64_t *)(metabh->b_data);
- b += charoff + i;
- blk = be64_to_cpu(*b);
- save_block(sbd.device_fd, out_fd, blk);
+ 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) {
+ uint64_t blk, *b;
+ int charoff;
+
+ gfs2_ea_header_in(&ea, metabh->b_data + e);
+ for (i = 0; i < ea.ea_num_ptrs; i++) {
+ charoff = e + ea.ea_name_len +
+ sizeof(struct gfs2_ea_header) +
+ sizeof(uint64_t) - 1;
+ charoff /= sizeof(uint64_t);
+ b = (uint64_t *)(metabh->b_data);
+ b += charoff + i;
+ blk = be64_to_cpu(*b);
+ save_block(sbd.device_fd, out_fd, blk);
+ }
+ if (!ea.ea_rec_len)
+ break;
}
- if (!ea.ea_rec_len)
- break;
+ } else {
+ fprintf(stderr, "
Warning: corrupt extended attribute"
+ " at block %llu (0x%llx) detected.
",
+ (unsigned long long)block,
+ (unsigned long long)block);
}
brelse(metabh, not_updated);
}

11-28-2007 03:49 PM

cluster/gfs2/edit hexedit.h savemeta.c
 
CVSROOT: /cvs/cluster
Module name: cluster
Branch: RHEL5
Changes by: rpeterso@sourceware.org 2007-11-28 16:49:06

Modified files:
gfs2/edit : hexedit.h savemeta.c

Log message:
Resolves: bz 402971: GFS2: gfs2_edit savemeta doesn't save rindex file.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs2/edit/hexedit.h.diff?cvsroot=cluster&only_with_tag=RHEL5 &r1=1.4.2.6&r2=1.4.2.7
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs2/edit/savemeta.c.diff?cvsroot=cluster&only_with_tag=RHEL 5&r1=1.1.2.3&r2=1.1.2.4

--- cluster/gfs2/edit/hexedit.h 2007/11/16 19:42:34 1.4.2.6
+++ cluster/gfs2/edit/hexedit.h 2007/11/28 16:49:06 1.4.2.7
@@ -136,6 +136,7 @@
};

EXTERN int block_is_jindex(void);
+EXTERN int block_is_rindex(void);
EXTERN int block_is_inum_file(void);
EXTERN int block_is_statfs_file(void);
EXTERN int block_is_quota_file(void);
--- cluster/gfs2/edit/savemeta.c 2007/11/16 19:42:34 1.1.2.3
+++ cluster/gfs2/edit/savemeta.c 2007/11/28 16:49:06 1.1.2.4
@@ -383,7 +383,7 @@
struct gfs2_meta_header mh;

*block_type = 0;
- *struct_len = 0;
+ *struct_len = bufsize;

gfs2_meta_header_in(&mh, buf);
if (mh.mh_magic != GFS2_MAGIC)
@@ -492,6 +492,7 @@
block_is_inum_file() ||
block_is_statfs_file() ||
block_is_quota_file() ||
+ block_is_rindex() ||
block_is_a_journal();
}

@@ -501,6 +502,12 @@
uint16_t trailing0;
char *p;

+ if (blk > last_fs_block) {
+ fprintf(stderr, "
Warning: bad block pointer ignored in "
+ "block (block %llu (%llx))",
+ (unsigned long long)block, (unsigned long long)block);
+ return 0;
+ }
memset(savedata, 0, sizeof(struct saved_metablock));
do_lseek(fd, blk * bufsize);
do_read(fd, savedata->buf, bufsize); /* read in the block */
@@ -536,12 +543,11 @@
void save_indirect_blocks(int out_fd, osi_list_t *cur_list,
struct gfs2_buffer_head *mybh, int height, int hgt)
{
- uint64_t old_block = 0, starting_block;
+ uint64_t old_block = 0, indir_block;
uint64_t *ptr;
int head_size;
struct gfs2_buffer_head *nbh;

- starting_block = block; /* remember where we started */
head_size = (hgt > 1 ?
sizeof(struct gfs2_meta_header) :
sizeof(struct gfs2_dinode));
@@ -550,19 +556,18 @@
(char *)ptr < (mybh->b_data + mybh->b_size); ptr++) {
if (!*ptr)
continue;
- block = be64_to_cpu(*ptr);
- if (block == old_block)
+ indir_block = be64_to_cpu(*ptr);
+ if (indir_block == old_block)
continue;
- old_block = block;
- save_block(sbd.device_fd, out_fd, block);
+ old_block = indir_block;
+ save_block(sbd.device_fd, out_fd, indir_block);
if (height != hgt) { /* If not at max height */
- nbh = bread(&sbd, block);
+ nbh = bread(&sbd, indir_block);
osi_list_add_prev(&nbh->b_altlist,
cur_list);
brelse(nbh, not_updated);
}
} /* for all data on the indirect block */
- block = starting_block; /* go back to where we started */
}

/*
@@ -632,28 +637,37 @@
}
if (inode->i_di.di_eattr) { /* if this inode has extended attributes */
struct gfs2_ea_header ea;
+ struct gfs2_meta_header mh;
int e;

metabh = bread(&sbd, inode->i_di.di_eattr);
save_block(sbd.device_fd, out_fd, inode->i_di.di_eattr);
- for (e = sizeof(struct gfs2_meta_header);
- e < bufsize; e += ea.ea_rec_len) {
- uint64_t blk, *b;
- int charoff;
-
- gfs2_ea_header_in(&ea, metabh->b_data + e);
- for (i = 0; i < ea.ea_num_ptrs; i++) {
- charoff = e + ea.ea_name_len +
- sizeof(struct gfs2_ea_header) +
- sizeof(uint64_t) - 1;
- charoff /= sizeof(uint64_t);
- b = (uint64_t *)(metabh->b_data);
- b += charoff + i;
- blk = be64_to_cpu(*b);
- save_block(sbd.device_fd, out_fd, blk);
+ 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) {
+ uint64_t blk, *b;
+ int charoff;
+
+ gfs2_ea_header_in(&ea, metabh->b_data + e);
+ for (i = 0; i < ea.ea_num_ptrs; i++) {
+ charoff = e + ea.ea_name_len +
+ sizeof(struct gfs2_ea_header) +
+ sizeof(uint64_t) - 1;
+ charoff /= sizeof(uint64_t);
+ b = (uint64_t *)(metabh->b_data);
+ b += charoff + i;
+ blk = be64_to_cpu(*b);
+ save_block(sbd.device_fd, out_fd, blk);
+ }
+ if (!ea.ea_rec_len)
+ break;
}
- if (!ea.ea_rec_len)
- break;
+ } else {
+ fprintf(stderr, "
Warning: corrupt extended attribute"
+ " at block %llu (0x%llx) detected.
",
+ (unsigned long long)block,
+ (unsigned long long)block);
}
brelse(metabh, not_updated);
}


All times are GMT. The time now is 10:30 PM.

VBulletin, Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2007, Crawlability, Inc.