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744fcf |
commit 52fce21ef94182fbe99b4e4344bdab42c6c95868
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
Author: Andrew Price <anprice@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
Date: Thu Aug 17 17:45:31 2017 +0100
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
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744fcf |
gfs2_edit savemeta: Fix up saving of dinodes/symlinks
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
Factor out the code that decides whether to save the dinode contents,
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
improve its error reporting (and don't exit) and make sure contents of
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
symlink dinodes are saved.
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
Resolves: rhbz#1482542
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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744fcf |
Signed-off-by: Andrew Price <anprice@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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744fcf |
diff --git a/gfs2/edit/savemeta.c b/gfs2/edit/savemeta.c
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
index dee405bc..04f67fc7 100644
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
--- a/gfs2/edit/savemeta.c
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+++ b/gfs2/edit/savemeta.c
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
@@ -190,6 +190,38 @@ static const char *anthropomorphize(unsigned long long inhuman_value)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
return out_val;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
}
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+static int di_save_len(struct gfs2_buffer_head *bh, uint64_t owner)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ struct gfs2_inode *inode;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ struct gfs2_dinode *dn;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ int len;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ if (sbd.gfs1)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ inode = lgfs2_gfs_inode_get(&sbd, bh);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ else
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ inode = lgfs2_inode_get(&sbd, bh);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ if (inode == NULL) {
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ fprintf(stderr, "Error reading inode at %"PRIu64": %s\n",
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744fcf |
+ bh->b_blocknr, strerror(errno));
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ return 0; /* Skip the block */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ }
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ dn = &inode->i_di;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ len = sizeof(struct gfs2_dinode);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ /* Do not save (user) data from the inode block unless they are
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744fcf |
+ indirect pointers, dirents, symlinks or fs internal data */
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744fcf |
+ if (dn->di_height != 0 ||
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744fcf |
+ S_ISDIR(dn->di_mode) ||
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744fcf |
+ S_ISLNK(dn->di_mode) ||
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+ (sbd.gfs1 && dn->__pad1 == GFS_FILE_DIR) ||
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+ block_is_systemfile(owner))
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+ len = sbd.bsize;
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744fcf |
+
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744fcf |
+ inode_put(&inode;;
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744fcf |
+ return len;
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744fcf |
+}
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744fcf |
+
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744fcf |
/*
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744fcf |
* get_gfs_struct_info - get block type and structure length
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744fcf |
*
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744fcf |
@@ -205,7 +237,6 @@ static int get_gfs_struct_info(struct gfs2_buffer_head *lbh, uint64_t owner,
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744fcf |
int *block_type, int *gstruct_len)
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744fcf |
{
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744fcf |
struct gfs2_meta_header mh;
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744fcf |
- struct gfs2_inode *inode;
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744fcf |
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744fcf |
if (block_type != NULL)
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744fcf |
*block_type = 0;
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744fcf |
@@ -229,24 +260,7 @@ static int get_gfs_struct_info(struct gfs2_buffer_head *lbh, uint64_t owner,
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744fcf |
*gstruct_len = sbd.bsize;
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744fcf |
break;
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744fcf |
case GFS2_METATYPE_DI: /* 4 (disk inode) */
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744fcf |
- if (sbd.gfs1) {
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744fcf |
- inode = lgfs2_gfs_inode_get(&sbd, lbh);
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- } else {
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744fcf |
- inode = lgfs2_inode_get(&sbd, lbh);
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744fcf |
- }
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744fcf |
- if (inode == NULL) {
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744fcf |
- perror("Error reading inode");
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744fcf |
- exit(-1);
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744fcf |
- }
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744fcf |
- if (S_ISDIR(inode->i_di.di_mode) ||
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744fcf |
- (sbd.gfs1 && inode->i_di.__pad1 == GFS_FILE_DIR))
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744fcf |
- *gstruct_len = sbd.bsize;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
- else if (!inode->i_di.di_height && !block_is_systemfile(owner) &&
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
- !S_ISDIR(inode->i_di.di_mode))
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744fcf |
- *gstruct_len = sizeof(struct gfs2_dinode);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
- else
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744fcf |
- *gstruct_len = sbd.bsize;
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744fcf |
- inode_put(&inode;;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
+ *gstruct_len = di_save_len(lbh, owner);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
break;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
case GFS2_METATYPE_IN: /* 5 (indir inode blklst) */
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
744fcf |
*gstruct_len = sbd.bsize; /*sizeof(struct gfs_indirect);*/
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