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cmd_migrate: fix xattrs

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This commit is contained in:
Kent Overstreet 2017-03-10 11:48:39 -09:00
parent 076b4196fc
commit c3844b0b7f
3 changed files with 15 additions and 18 deletions
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7
INSTALL
View File

@ -1,13 +1,18 @@
Dependencies:
* libattr1
* libblkid
* libuuid
* libscrypt
* libsodium
* libkeyutils
* liburcu
* pkg-config
* zlib1g
On debian, you can install these with
apt install -y libblkid-dev uuid-dev libscrypt-dev libsodium-dev libkeyutils-dev
apt install -y pkg-config libblkid-dev uuid-dev libscrypt-dev libsodium-dev
libkeyutils-dev liburcu-dev zlib1g-dev libattr1-dev
Then, just make && make install

23
cmd_migrate.c
View File

@ -219,25 +219,18 @@ static void copy_xattrs(struct cache_set *c, struct bch_inode_unpacked *dst,
char *src)
{
struct bch_hash_info hash_info = bch_hash_info_init(dst);
ssize_t size = llistxattr(src, NULL, 0);
if (size < 0)
char attrs[XATTR_LIST_MAX];
ssize_t attrs_size = llistxattr(src, attrs, sizeof(attrs));
if (attrs_size < 0)
die("listxattr error: %s", strerror(errno));
if (!size)
return;
char *buf = malloc(size);
size = llistxattr(src, buf, size);
if (size < 0)
die("listxattr error: %s", strerror(errno));
for (const char *next, *attr = buf;
attr <= buf + size;
for (const char *next, *attr = attrs;
attr < attrs + attrs_size;
attr = next) {
next = attr + strlen(attr) + 1;
/* max possible xattr val: */
static char val[64 << 10];
char val[XATTR_SIZE_MAX];
ssize_t val_size = lgetxattr(src, attr, val, sizeof(val));
if (val_size < 0)
@ -250,8 +243,6 @@ static void copy_xattrs(struct cache_set *c, struct bch_inode_unpacked *dst,
if (ret < 0)
die("error creating xattr: %s", strerror(-ret));
}
free(buf);
}
static void write_data(struct cache_set *c,

3
debian/control vendored
View File

@ -5,7 +5,8 @@ Section: utils
Priority: optional
Standards-Version: 3.9.5
Build-Depends: debhelper (>= 9), pkg-config, libblkid-dev, uuid-dev,
libscrypt-dev, libsodium-dev, libkeyutils-dev, liburcu-dev, zlib1g-dev
libscrypt-dev, libsodium-dev, libkeyutils-dev, liburcu-dev, zlib1g-dev,
libattr1-dev
Vcs-Browser: http://anonscm.debian.org/gitweb/?p=collab-maint/bcache-tools.git
Vcs-Git: git://anonscm.debian.org/collab-maint/bcache-tools.git
Homepage: http://bcache.evilpiepirate.org/