If you are not using a security module that requires using
extended attributes for file security labels, say N.
-config EXT4_ENCRYPTION
- bool "Ext4 Encryption"
- depends on EXT4_FS
- select FS_ENCRYPTION
- help
- Enable encryption of ext4 files and directories. This
- feature is similar to ecryptfs, but it is more memory
- efficient since it avoids caching the encrypted and
- decrypted pages in the page cache.
-
-config EXT4_FS_ENCRYPTION
- bool
- default y
- depends on EXT4_ENCRYPTION
-
config EXT4_DEBUG
- bool "EXT4 debugging support"
+ bool "Ext4 debugging support"
depends on EXT4_FS
help
Enables run-time debugging support for the ext4 filesystem.
#include <linux/compat.h>
#endif
-#define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_EXT4_FS_ENCRYPTION)
#include <linux/fscrypt.h>
#include <linux/compiler.h>
/* Flags that are appropriate for non-directories/regular files. */
#define EXT4_OTHER_FLMASK (EXT4_NODUMP_FL | EXT4_NOATIME_FL)
+ /* The only flags that should be swapped */
+ #define EXT4_FL_SHOULD_SWAP (EXT4_HUGE_FILE_FL | EXT4_EXTENTS_FL)
+
/* Mask out flags that are inappropriate for the given type of inode. */
static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
{
#define EXT4_MF_FS_ABORTED 0x0002 /* Fatal error detected */
#define EXT4_MF_TEST_DUMMY_ENCRYPTION 0x0004
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
#define DUMMY_ENCRYPTION_ENABLED(sbi) (unlikely((sbi)->s_mount_flags & \
EXT4_MF_TEST_DUMMY_ENCRYPTION))
#else
#define EXT4_FEATURE_INCOMPAT_INLINE_DATA 0x8000 /* data in inode */
#define EXT4_FEATURE_INCOMPAT_ENCRYPT 0x10000
+ extern void ext4_update_dynamic_rev(struct super_block *sb);
+
#define EXT4_FEATURE_COMPAT_FUNCS(name, flagname) \
static inline bool ext4_has_feature_##name(struct super_block *sb) \
{ \
} \
static inline void ext4_set_feature_##name(struct super_block *sb) \
{ \
+ ext4_update_dynamic_rev(sb); \
EXT4_SB(sb)->s_es->s_feature_compat |= \
cpu_to_le32(EXT4_FEATURE_COMPAT_##flagname); \
} \
} \
static inline void ext4_set_feature_##name(struct super_block *sb) \
{ \
+ ext4_update_dynamic_rev(sb); \
EXT4_SB(sb)->s_es->s_feature_ro_compat |= \
cpu_to_le32(EXT4_FEATURE_RO_COMPAT_##flagname); \
} \
} \
static inline void ext4_set_feature_##name(struct super_block *sb) \
{ \
+ ext4_update_dynamic_rev(sb); \
EXT4_SB(sb)->s_es->s_feature_incompat |= \
cpu_to_le32(EXT4_FEATURE_INCOMPAT_##flagname); \
} \
const struct qstr *usr_fname;
struct fscrypt_str disk_name;
struct dx_hash_info hinfo;
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
struct fscrypt_str crypto_buf;
#endif
};
struct ext4_group_desc *gdp);
ext4_fsblk_t ext4_inode_to_goal_block(struct inode *);
-static inline bool ext4_encrypted_inode(struct inode *inode)
-{
- return ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT);
-}
-
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
static inline int ext4_fname_setup_filename(struct inode *dir,
const struct qstr *iname,
int lookup, struct ext4_filename *fname)
#endif
- extern void ext4_update_dynamic_rev(struct super_block *sb);
extern int ext4_update_compat_feature(handle_t *handle, struct super_block *sb,
__u32 compat);
extern int ext4_update_rocompat_feature(handle_t *handle,
if (err < 0)
goto out;
- } else if (sbi->s_cluster_ratio > 1 && end >= ex_end) {
+ } else if (sbi->s_cluster_ratio > 1 && end >= ex_end &&
+ partial.state == initial) {
/*
- * If there's an extent to the right its first cluster
- * contains the immediate right boundary of the
- * truncated/punched region. Set partial_cluster to
- * its negative value so it won't be freed if shared
- * with the current extent. The end < ee_block case
- * is handled in ext4_ext_rm_leaf().
+ * If we're punching, there's an extent to the right.
+ * If the partial cluster hasn't been set, set it to
+ * that extent's first cluster and its state to nofree
+ * so it won't be freed should it contain blocks to be
+ * removed. If it's already set (tofree/nofree), we're
+ * retrying and keep the original partial cluster info
+ * so a cluster marked tofree as a result of earlier
+ * extent removal is not lost.
*/
lblk = ex_end + 1;
err = ext4_ext_search_right(inode, path, &lblk, &pblk,
max_zeroout = sbi->s_extent_max_zeroout_kb >>
(inode->i_sb->s_blocksize_bits - 10);
- if (ext4_encrypted_inode(inode))
+ if (IS_ENCRYPTED(inode))
max_zeroout = 0;
/*
} else
allocated = ret;
map->m_flags |= EXT4_MAP_NEW;
- /*
- * if we allocated more blocks than requested
- * we need to make sure we unmap the extra block
- * allocated. The actual needed block will get
- * unmapped later when we find the buffer_head marked
- * new.
- */
- if (allocated > map->m_len) {
- clean_bdev_aliases(inode->i_sb->s_bdev, newblock + map->m_len,
- allocated - map->m_len);
+ if (allocated > map->m_len)
allocated = map->m_len;
- }
map->m_len = allocated;
map_out:
* leave it disabled for encrypted inodes for now. This is a
* bug we should fix....
*/
- if (ext4_encrypted_inode(inode) &&
+ if (IS_ENCRYPTED(inode) &&
(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE |
FALLOC_FL_ZERO_RANGE)))
return -EOPNOTSUPP;
* inode's preallocations.
*/
if ((ei->i_reserved_data_blocks == 0) &&
- (atomic_read(&inode->i_writecount) == 0))
+ !inode_is_open_for_write(inode))
ext4_discard_preallocations(inode);
}
{
int ret;
- if (ext4_encrypted_inode(inode))
+ if (IS_ENCRYPTED(inode))
return fscrypt_zeroout_range(inode, lblk, pblk, len);
ret = sb_issue_zeroout(inode->i_sb, pblk, len, GFP_NOFS);
if (flags & EXT4_GET_BLOCKS_ZERO &&
map->m_flags & EXT4_MAP_MAPPED &&
map->m_flags & EXT4_MAP_NEW) {
- clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk,
- map->m_len);
ret = ext4_issue_zeroout(inode, map->m_lblk,
map->m_pblk, map->m_len);
if (ret) {
return ret;
}
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len,
get_block_t *get_block)
{
if (err)
break;
if (buffer_new(bh)) {
- clean_bdev_bh_alias(bh);
if (PageUptodate(page)) {
clear_buffer_new(bh);
set_buffer_uptodate(bh);
(block_start < from || block_end > to)) {
ll_rw_block(REQ_OP_READ, 0, 1, &bh);
*wait_bh++ = bh;
- decrypt = ext4_encrypted_inode(inode) &&
- S_ISREG(inode->i_mode);
+ decrypt = IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
}
}
/*
/* In case writeback began while the page was unlocked */
wait_for_stable_page(page);
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
if (ext4_should_dioread_nolock(inode))
ret = ext4_block_write_begin(page, pos, len,
ext4_get_block_unwritten);
}
BUG_ON(map->m_len == 0);
- if (map->m_flags & EXT4_MAP_NEW) {
- clean_bdev_aliases(inode->i_sb->s_bdev, map->m_pblk,
- map->m_len);
- }
return 0;
}
goto unplug;
}
ret = mpage_prepare_extent_to_map(&mpd);
+ /* Unlock pages we didn't use */
+ mpage_release_unused_pages(&mpd, false);
/* Submit prepared bio */
ext4_io_submit(&mpd.io_submit);
ext4_put_io_end_defer(mpd.io_submit.io_end);
mpd.io_submit.io_end = NULL;
- /* Unlock pages we didn't use */
- mpage_release_unused_pages(&mpd, false);
if (ret < 0)
goto unplug;
handle = NULL;
mpd.do_map = 0;
}
- /* Submit prepared bio */
- ext4_io_submit(&mpd.io_submit);
/* Unlock pages we didn't use */
mpage_release_unused_pages(&mpd, give_up_on_write);
+ /* Submit prepared bio */
+ ext4_io_submit(&mpd.io_submit);
+
/*
* Drop our io_end reference we got from init. We have
* to be careful and use deferred io_end finishing if
/* In case writeback began while the page was unlocked */
wait_for_stable_page(page);
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
ret = ext4_block_write_begin(page, pos, len,
ext4_da_get_block_prep);
#else
loff_t offset = iocb->ki_pos;
ssize_t ret;
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
- if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode))
+#ifdef CONFIG_FS_ENCRYPTION
+ if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode))
return 0;
#endif
/* Uhhuh. Read error. Complain and punt. */
if (!buffer_uptodate(bh))
goto unlock;
- if (S_ISREG(inode->i_mode) &&
- ext4_encrypted_inode(inode)) {
+ if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode)) {
/* We expect the key to be set. */
BUG_ON(!fscrypt_has_encryption_key(inode));
BUG_ON(blocksize != PAGE_SIZE);
struct inode *inode = mapping->host;
/* If we are processing an encrypted inode during orphan list handling */
- if (ext4_encrypted_inode(inode) && !fscrypt_has_encryption_key(inode))
+ if (IS_ENCRYPTED(inode) && !fscrypt_has_encryption_key(inode))
return 0;
blocksize = inode->i_sb->s_blocksize;
return false;
if (ext4_has_inline_data(inode))
return false;
- if (ext4_encrypted_inode(inode))
+ if (ext4_test_inode_flag(inode, EXT4_INODE_ENCRYPT))
return false;
return true;
}
ret = -EFSCORRUPTED;
goto bad_inode;
}
- if (ext4_encrypted_inode(inode)) {
+ if (IS_ENCRYPTED(inode)) {
inode->i_op = &ext4_encrypted_symlink_inode_operations;
ext4_set_aops(inode);
} else if (ext4_inode_is_fast_symlink(inode)) {
err = ext4_journal_get_write_access(handle, EXT4_SB(sb)->s_sbh);
if (err)
goto out_brelse;
- ext4_update_dynamic_rev(sb);
ext4_set_feature_large_file(sb);
ext4_handle_sync(handle);
err = ext4_handle_dirty_super(handle, sb);
ext4_write_lock_xattr(inode, &no_expand);
- BUFFER_TRACE(iloc.bh, "get_write_access");
+ BUFFER_TRACE(iloc->bh, "get_write_access");
error = ext4_journal_get_write_access(handle, iloc->bh);
if (error) {
brelse(iloc->bh);
loff_t isize;
struct ext4_inode_info *ei1;
struct ext4_inode_info *ei2;
+ unsigned long tmp;
ei1 = EXT4_I(inode1);
ei2 = EXT4_I(inode2);
swap(inode1->i_version, inode2->i_version);
- swap(inode1->i_blocks, inode2->i_blocks);
- swap(inode1->i_bytes, inode2->i_bytes);
swap(inode1->i_atime, inode2->i_atime);
swap(inode1->i_mtime, inode2->i_mtime);
memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data));
- swap(ei1->i_flags, ei2->i_flags);
+ tmp = ei1->i_flags & EXT4_FL_SHOULD_SWAP;
+ ei1->i_flags = (ei2->i_flags & EXT4_FL_SHOULD_SWAP) |
+ (ei1->i_flags & ~EXT4_FL_SHOULD_SWAP);
+ ei2->i_flags = tmp | (ei2->i_flags & ~EXT4_FL_SHOULD_SWAP);
swap(ei1->i_disksize, ei2->i_disksize);
ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS);
ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS);
int err;
struct inode *inode_bl;
struct ext4_inode_info *ei_bl;
-
- if (inode->i_nlink != 1 || !S_ISREG(inode->i_mode) ||
- IS_SWAPFILE(inode) || IS_ENCRYPTED(inode) ||
- ext4_has_inline_data(inode))
- return -EINVAL;
-
- if (IS_RDONLY(inode) || IS_APPEND(inode) || IS_IMMUTABLE(inode) ||
- !inode_owner_or_capable(inode) || !capable(CAP_SYS_ADMIN))
- return -EPERM;
+ qsize_t size, size_bl, diff;
+ blkcnt_t blocks;
+ unsigned short bytes;
inode_bl = ext4_iget(sb, EXT4_BOOT_LOADER_INO, EXT4_IGET_SPECIAL);
if (IS_ERR(inode_bl))
return PTR_ERR(inode_bl);
ei_bl = EXT4_I(inode_bl);
- filemap_flush(inode->i_mapping);
- filemap_flush(inode_bl->i_mapping);
-
/* Protect orig inodes against a truncate and make sure,
* that only 1 swap_inode_boot_loader is running. */
lock_two_nondirectories(inode, inode_bl);
+ if (inode->i_nlink != 1 || !S_ISREG(inode->i_mode) ||
+ IS_SWAPFILE(inode) || IS_ENCRYPTED(inode) ||
+ (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL) ||
+ ext4_has_inline_data(inode)) {
+ err = -EINVAL;
+ goto journal_err_out;
+ }
+
+ if (IS_RDONLY(inode) || IS_APPEND(inode) || IS_IMMUTABLE(inode) ||
+ !inode_owner_or_capable(inode) || !capable(CAP_SYS_ADMIN)) {
+ err = -EPERM;
+ goto journal_err_out;
+ }
+
+ down_write(&EXT4_I(inode)->i_mmap_sem);
+ err = filemap_write_and_wait(inode->i_mapping);
+ if (err)
+ goto err_out;
+
+ err = filemap_write_and_wait(inode_bl->i_mapping);
+ if (err)
+ goto err_out;
+
/* Wait for all existing dio workers */
inode_dio_wait(inode);
inode_dio_wait(inode_bl);
handle = ext4_journal_start(inode_bl, EXT4_HT_MOVE_EXTENTS, 2);
if (IS_ERR(handle)) {
err = -EINVAL;
- goto journal_err_out;
+ goto err_out;
}
/* Protect extent tree against block allocations via delalloc */
memset(ei_bl->i_data, 0, sizeof(ei_bl->i_data));
}
+ err = dquot_initialize(inode);
+ if (err)
+ goto err_out1;
+
+ size = (qsize_t)(inode->i_blocks) * (1 << 9) + inode->i_bytes;
+ size_bl = (qsize_t)(inode_bl->i_blocks) * (1 << 9) + inode_bl->i_bytes;
+ diff = size - size_bl;
swap_inode_data(inode, inode_bl);
inode->i_ctime = inode_bl->i_ctime = current_time(inode);
err = ext4_mark_inode_dirty(handle, inode);
if (err < 0) {
+ /* No need to update quota information. */
ext4_warning(inode->i_sb,
"couldn't mark inode #%lu dirty (err %d)",
inode->i_ino, err);
/* Revert all changes: */
swap_inode_data(inode, inode_bl);
ext4_mark_inode_dirty(handle, inode);
- } else {
- err = ext4_mark_inode_dirty(handle, inode_bl);
- if (err < 0) {
- ext4_warning(inode_bl->i_sb,
- "couldn't mark inode #%lu dirty (err %d)",
- inode_bl->i_ino, err);
- /* Revert all changes: */
- swap_inode_data(inode, inode_bl);
- ext4_mark_inode_dirty(handle, inode);
- ext4_mark_inode_dirty(handle, inode_bl);
- }
+ goto err_out1;
+ }
+
+ blocks = inode_bl->i_blocks;
+ bytes = inode_bl->i_bytes;
+ inode_bl->i_blocks = inode->i_blocks;
+ inode_bl->i_bytes = inode->i_bytes;
+ err = ext4_mark_inode_dirty(handle, inode_bl);
+ if (err < 0) {
+ /* No need to update quota information. */
+ ext4_warning(inode_bl->i_sb,
+ "couldn't mark inode #%lu dirty (err %d)",
+ inode_bl->i_ino, err);
+ goto revert;
+ }
+
+ /* Bootloader inode should not be counted into quota information. */
+ if (diff > 0)
+ dquot_free_space(inode, diff);
+ else
+ err = dquot_alloc_space(inode, -1 * diff);
+
+ if (err < 0) {
+ revert:
+ /* Revert all changes: */
+ inode_bl->i_blocks = blocks;
+ inode_bl->i_bytes = bytes;
+ swap_inode_data(inode, inode_bl);
+ ext4_mark_inode_dirty(handle, inode);
+ ext4_mark_inode_dirty(handle, inode_bl);
}
+
+ err_out1:
ext4_journal_stop(handle);
ext4_double_up_write_data_sem(inode, inode_bl);
+ err_out:
+ up_write(&EXT4_I(inode)->i_mmap_sem);
journal_err_out:
unlock_two_nondirectories(inode, inode_bl);
iput(inode_bl);
return err;
}
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
static int uuid_is_zero(__u8 u[16])
{
int i;
return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
case EXT4_IOC_GET_ENCRYPTION_PWSALT: {
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
int err, err2;
struct ext4_sb_info *sbi = EXT4_SB(sb);
handle_t *handle;
{
int i;
struct bio_vec *bvec;
+ struct bvec_iter_all iter_all;
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all(bvec, bio, i, iter_all) {
struct page *page = bvec->bv_page;
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
struct page *data_page = NULL;
#endif
struct buffer_head *bh, *head;
if (!page)
continue;
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
if (!page->mapping) {
/* The bounce data pages are unmapped. */
data_page = page;
bit_spin_unlock(BH_Uptodate_Lock, &head->b_state);
local_irq_restore(flags);
if (!under_io) {
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
if (data_page)
fscrypt_restore_control_page(data_page);
#endif
ext4_io_submit(io);
continue;
}
- if (buffer_new(bh)) {
+ if (buffer_new(bh))
clear_buffer_new(bh);
- clean_bdev_bh_alias(bh);
- }
set_buffer_async_write(bh);
nr_to_submit++;
} while ((bh = bh->b_this_page) != head);
bh = head = page_buffers(page);
- if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode) &&
- nr_to_submit) {
+ if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode) && nr_to_submit) {
gfp_t gfp_flags = GFP_NOFS;
retry_encrypt:
return try_to_free_buffers(page);
}
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
static int ext4_get_context(struct inode *inode, void *ctx, size_t len)
{
return ext4_xattr_get(inode, EXT4_XATTR_INDEX_ENCRYPTION,
*journal_ioprio =
IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg);
} else if (token == Opt_test_dummy_encryption) {
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
sbi->s_mount_flags |= EXT4_MF_TEST_DUMMY_ENCRYPTION;
ext4_msg(sb, KERN_WARNING,
"Test dummy encryption mode enabled");
es->s_max_mnt_count = cpu_to_le16(EXT4_DFL_MAX_MNT_COUNT);
le16_add_cpu(&es->s_mnt_count, 1);
ext4_update_tstamp(es, s_mtime);
- ext4_update_dynamic_rev(sb);
if (sbi->s_journal)
ext4_set_feature_journal_needs_recovery(sb);
sb->s_op = &ext4_sops;
sb->s_export_op = &ext4_export_ops;
sb->s_xattr = ext4_xattr_handlers;
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
sb->s_cop = &ext4_cryptops;
#endif
#ifdef CONFIG_QUOTA
attr_feature,
attr_pointer_ui,
attr_pointer_atomic,
+ attr_journal_task,
} attr_id_t;
typedef enum {
return count;
}
+ static ssize_t journal_task_show(struct ext4_sb_info *sbi, char *buf)
+ {
+ if (!sbi->s_journal)
+ return snprintf(buf, PAGE_SIZE, "<none>\n");
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ task_pid_vnr(sbi->s_journal->j_task));
+ }
+
#define EXT4_ATTR(_name,_mode,_id) \
static struct ext4_attr ext4_attr_##_name = { \
.attr = {.name = __stringify(_name), .mode = _mode }, \
EXT4_RO_ATTR_ES_UI(errors_count, s_error_count);
EXT4_ATTR(first_error_time, 0444, first_error_time);
EXT4_ATTR(last_error_time, 0444, last_error_time);
+ EXT4_ATTR(journal_task, 0444, journal_task);
static unsigned int old_bump_val = 128;
EXT4_ATTR_PTR(max_writeback_mb_bump, 0444, pointer_ui, &old_bump_val);
ATTR_LIST(errors_count),
ATTR_LIST(first_error_time),
ATTR_LIST(last_error_time),
+ ATTR_LIST(journal_task),
NULL,
};
EXT4_ATTR_FEATURE(lazy_itable_init);
EXT4_ATTR_FEATURE(batched_discard);
EXT4_ATTR_FEATURE(meta_bg_resize);
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
EXT4_ATTR_FEATURE(encryption);
#endif
EXT4_ATTR_FEATURE(metadata_csum_seed);
ATTR_LIST(lazy_itable_init),
ATTR_LIST(batched_discard),
ATTR_LIST(meta_bg_resize),
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
ATTR_LIST(encryption),
#endif
ATTR_LIST(metadata_csum_seed),
return print_tstamp(buf, sbi->s_es, s_first_error_time);
case attr_last_error_time:
return print_tstamp(buf, sbi->s_es, s_last_error_time);
+ case attr_journal_task:
+ return journal_task_show(sbi, buf);
}
return 0;
git.samba.org / sfrench / cifs-2.6.git / commitdiff