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| author | Gabor Juhos <juhosg@openwrt.org> | 2012-03-02 23:09:00 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2012-03-02 23:09:00 +0000 |
| commit | 632db63ed0014b1980963391aab1dc64fff790e8 (patch) | |
| tree | 43a5a9a16a6775a7cef24b09b75cced159b7f831 | |
| parent | 5202e9908b5fd22f107335ce2c3e5d2780b20c46 (diff) | |
| download | upstream-632db63ed0014b1980963391aab1dc64fff790e8.tar.gz upstream-632db63ed0014b1980963391aab1dc64fff790e8.tar.bz2 upstream-632db63ed0014b1980963391aab1dc64fff790e8.zip | |
linux/3.2: add symlink xattr support to ubifs
SVN-Revision: 30794
| -rw-r--r-- | target/linux/generic/patches-3.2/550-ubifs-symlink-xattr-support.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.2/550-ubifs-symlink-xattr-support.patch b/target/linux/generic/patches-3.2/550-ubifs-symlink-xattr-support.patch new file mode 100644 index 0000000000..1b11fe79e6 --- /dev/null +++ b/target/linux/generic/patches-3.2/550-ubifs-symlink-xattr-support.patch @@ -0,0 +1,67 @@ +--- a/fs/ubifs/file.c ++++ b/fs/ubifs/file.c +@@ -1575,6 +1575,12 @@ const struct inode_operations ubifs_syml + .follow_link = ubifs_follow_link, + .setattr = ubifs_setattr, + .getattr = ubifs_getattr, ++#ifdef CONFIG_UBIFS_FS_XATTR ++ .setxattr = ubifs_setxattr, ++ .getxattr = ubifs_getxattr, ++ .listxattr = ubifs_listxattr, ++ .removexattr = ubifs_removexattr, ++#endif + }; + + const struct file_operations ubifs_file_operations = { +--- a/fs/ubifs/journal.c ++++ b/fs/ubifs/journal.c +@@ -553,7 +553,8 @@ int ubifs_jnl_update(struct ubifs_info * + + dbg_jnl("ino %lu, dent '%.*s', data len %d in dir ino %lu", + inode->i_ino, nm->len, nm->name, ui->data_len, dir->i_ino); +- ubifs_assert(dir_ui->data_len == 0); ++ if (!xent) ++ ubifs_assert(dir_ui->data_len == 0); + ubifs_assert(mutex_is_locked(&dir_ui->ui_mutex)); + + dlen = UBIFS_DENT_NODE_SZ + nm->len + 1; +@@ -573,6 +574,13 @@ int ubifs_jnl_update(struct ubifs_info * + aligned_dlen = ALIGN(dlen, 8); + aligned_ilen = ALIGN(ilen, 8); + len = aligned_dlen + aligned_ilen + UBIFS_INO_NODE_SZ; ++ if (xent) { ++ /* ++ * Make sure to account for dir_ui->data_len in ++ * length calculation in case there is extended attribute. ++ */ ++ len += dir_ui->data_len; ++ } + dent = kmalloc(len, GFP_NOFS); + if (!dent) + return -ENOMEM; +@@ -649,7 +657,8 @@ int ubifs_jnl_update(struct ubifs_info * + + ino_key_init(c, &ino_key, dir->i_ino); + ino_offs += aligned_ilen; +- err = ubifs_tnc_add(c, &ino_key, lnum, ino_offs, UBIFS_INO_NODE_SZ); ++ err = ubifs_tnc_add(c, &ino_key, lnum, ino_offs, ++ UBIFS_INO_NODE_SZ + dir_ui->data_len); + if (err) + goto out_ro; + +--- a/fs/ubifs/xattr.c ++++ b/fs/ubifs/xattr.c +@@ -211,12 +211,12 @@ static int change_xattr(struct ubifs_inf + } + memcpy(ui->data, value, size); + inode->i_size = ui->ui_size = size; +- ui->data_len = size; + + mutex_lock(&host_ui->ui_mutex); + host->i_ctime = ubifs_current_time(host); + host_ui->xattr_size -= CALC_XATTR_BYTES(ui->data_len); + host_ui->xattr_size += CALC_XATTR_BYTES(size); ++ ui->data_len = size; + + /* + * It is important to write the host inode after the xattr inode |