Skip to content

L
linux
Commit 20e41d9b authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Options

Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 

Pull ext4 fixes from Ted Ts'o:
 "Miscellaneous ext4 bug fixes"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: Only advertise encrypted_casefold when encryption and unicode are enabled
  ext4: fix no-key deletion for encrypt+casefold
  ext4: fix memory leak in ext4_fill_super
  ext4: fix fast commit alignment issues
  ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed
  ext4: fix accessing uninit percpu counter variable with fast_commit
  ext4: fix memory leak in ext4_mb_init_backend on error path.
parents decad3e1 e71f99f2
Hide whitespace changes
Inline Side-by-side
Showing with 135 additions and 126 deletions
fs/ext4/extents.c
View file @ 20e41d9b
......@@ -3206,7 +3206,10 @@ static int ext4_split_extent_at(handle_t *handle,
ext4_ext_mark_unwritten(ex2);
err = ext4_ext_insert_extent(handle, inode, ppath, &newex, flags);
if (err == -ENOSPC && (EXT4_EXT_MAY_ZEROOUT & split_flag)) {
if (err != -ENOSPC && err != -EDQUOT)
goto out;
if (EXT4_EXT_MAY_ZEROOUT & split_flag) {
if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) {
if (split_flag & EXT4_EXT_DATA_VALID1) {
err = ext4_ext_zeroout(inode, ex2);
......@@ -3232,25 +3235,22 @@ static int ext4_split_extent_at(handle_t *handle,
ext4_ext_pblock(&orig_ex));
}
if (err)
goto fix_extent_len;
/* update the extent length and mark as initialized */
ex->ee_len = cpu_to_le16(ee_len);
ext4_ext_try_to_merge(handle, inode, path, ex);
err = ext4_ext_dirty(handle, inode, path + path->p_depth);
if (err)
goto fix_extent_len;
/* update extent status tree */
err = ext4_zeroout_es(inode, &zero_ex);
goto out;
} else if (err)
goto fix_extent_len;
out:
ext4_ext_show_leaf(inode, path);
return err;
if (!err) {
/* update the extent length and mark as initialized */
ex->ee_len = cpu_to_le16(ee_len);
ext4_ext_try_to_merge(handle, inode, path, ex);
err = ext4_ext_dirty(handle, inode, path + path->p_depth);
if (!err)
/* update extent status tree */
err = ext4_zeroout_es(inode, &zero_ex);
/* If we failed at this point, we don't know in which
* state the extent tree exactly is so don't try to fix
* length of the original extent as it may do even more
* damage.
*/
goto out;
}
}
fix_extent_len:
ex->ee_len = orig_ex.ee_len;
......@@ -3260,6 +3260,9 @@ static int ext4_split_extent_at(handle_t *handle,
*/
ext4_ext_dirty(handle, inode, path + path->p_depth);
return err;
out:
ext4_ext_show_leaf(inode, path);
return err;
}
/*
......
fs/ext4/fast_commit.c
View file @ 20e41d9b
......@@ -1288,28 +1288,29 @@ struct dentry_info_args {
};
static inline void tl_to_darg(struct dentry_info_args *darg,
struct ext4_fc_tl *tl)
struct ext4_fc_tl *tl, u8 *val)
{
struct ext4_fc_dentry_info *fcd;
struct ext4_fc_dentry_info fcd;
fcd = (struct ext4_fc_dentry_info *)ext4_fc_tag_val(tl);
memcpy(&fcd, val, sizeof(fcd));
darg->parent_ino = le32_to_cpu(fcd->fc_parent_ino);
darg->ino = le32_to_cpu(fcd->fc_ino);
darg->dname = fcd->fc_dname;
darg->dname_len = ext4_fc_tag_len(tl) -
sizeof(struct ext4_fc_dentry_info);
darg->parent_ino = le32_to_cpu(fcd.fc_parent_ino);
darg->ino = le32_to_cpu(fcd.fc_ino);
darg->dname = val + offsetof(struct ext4_fc_dentry_info, fc_dname);
darg->dname_len = le16_to_cpu(tl->fc_len) -
sizeof(struct ext4_fc_dentry_info);
}
/* Unlink replay function */
static int ext4_fc_replay_unlink(struct super_block *sb, struct ext4_fc_tl *tl)
static int ext4_fc_replay_unlink(struct super_block *sb, struct ext4_fc_tl *tl,
u8 *val)
{
struct inode *inode, *old_parent;
struct qstr entry;
struct dentry_info_args darg;
int ret = 0;
tl_to_darg(&darg, tl);
tl_to_darg(&darg, tl, val);
trace_ext4_fc_replay(sb, EXT4_FC_TAG_UNLINK, darg.ino,
darg.parent_ino, darg.dname_len);
......@@ -1399,13 +1400,14 @@ static int ext4_fc_replay_link_internal(struct super_block *sb,
}
/* Link replay function */
static int ext4_fc_replay_link(struct super_block *sb, struct ext4_fc_tl *tl)
static int ext4_fc_replay_link(struct super_block *sb, struct ext4_fc_tl *tl,
u8 *val)
{
struct inode *inode;
struct dentry_info_args darg;
int ret = 0;
tl_to_darg(&darg, tl);
tl_to_darg(&darg, tl, val);
trace_ext4_fc_replay(sb, EXT4_FC_TAG_LINK, darg.ino,
darg.parent_ino, darg.dname_len);
......@@ -1450,9 +1452,10 @@ static int ext4_fc_record_modified_inode(struct super_block *sb, int ino)
/*
* Inode replay function
*/
static int ext4_fc_replay_inode(struct super_block *sb, struct ext4_fc_tl *tl)
static int ext4_fc_replay_inode(struct super_block *sb, struct ext4_fc_tl *tl,
u8 *val)
{
struct ext4_fc_inode *fc_inode;
struct ext4_fc_inode fc_inode;
struct ext4_inode *raw_inode;
struct ext4_inode *raw_fc_inode;
struct inode *inode = NULL;
......@@ -1460,9 +1463,9 @@ static int ext4_fc_replay_inode(struct super_block *sb, struct ext4_fc_tl *tl)
int inode_len, ino, ret, tag = le16_to_cpu(tl->fc_tag);
struct ext4_extent_header *eh;
fc_inode = (struct ext4_fc_inode *)ext4_fc_tag_val(tl);
memcpy(&fc_inode, val, sizeof(fc_inode));
ino = le32_to_cpu(fc_inode->fc_ino);
ino = le32_to_cpu(fc_inode.fc_ino);
trace_ext4_fc_replay(sb, tag, ino, 0, 0);
inode = ext4_iget(sb, ino, EXT4_IGET_NORMAL);
......@@ -1474,12 +1477,13 @@ static int ext4_fc_replay_inode(struct super_block *sb, struct ext4_fc_tl *tl)
ext4_fc_record_modified_inode(sb, ino);
raw_fc_inode = (struct ext4_inode *)fc_inode->fc_raw_inode;
raw_fc_inode = (struct ext4_inode *)
(val + offsetof(struct ext4_fc_inode, fc_raw_inode));
ret = ext4_get_fc_inode_loc(sb, ino, &iloc);
if (ret)
goto out;
inode_len = ext4_fc_tag_len(tl) - sizeof(struct ext4_fc_inode);
inode_len = le16_to_cpu(tl->fc_len) - sizeof(struct ext4_fc_inode);
raw_inode = ext4_raw_inode(&iloc);
memcpy(raw_inode, raw_fc_inode, offsetof(struct ext4_inode, i_block));
......@@ -1547,14 +1551,15 @@ static int ext4_fc_replay_inode(struct super_block *sb, struct ext4_fc_tl *tl)
* inode for which we are trying to create a dentry here, should already have
* been replayed before we start here.
*/
static int ext4_fc_replay_create(struct super_block *sb, struct ext4_fc_tl *tl)
static int ext4_fc_replay_create(struct super_block *sb, struct ext4_fc_tl *tl,
u8 *val)
{
int ret = 0;
struct inode *inode = NULL;
struct inode *dir = NULL;
struct dentry_info_args darg;
tl_to_darg(&darg, tl);
tl_to_darg(&darg, tl, val);
trace_ext4_fc_replay(sb, EXT4_FC_TAG_CREAT, darg.ino,
darg.parent_ino, darg.dname_len);
......@@ -1633,9 +1638,9 @@ static int ext4_fc_record_regions(struct super_block *sb, int ino,
/* Replay add range tag */
static int ext4_fc_replay_add_range(struct super_block *sb,
struct ext4_fc_tl *tl)
struct ext4_fc_tl *tl, u8 *val)
{
struct ext4_fc_add_range *fc_add_ex;
struct ext4_fc_add_range fc_add_ex;
struct ext4_extent newex, *ex;
struct inode *inode;
ext4_lblk_t start, cur;
......@@ -1645,15 +1650,14 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
struct ext4_ext_path *path = NULL;
int ret;
fc_add_ex = (struct ext4_fc_add_range *)ext4_fc_tag_val(tl);
ex = (struct ext4_extent *)&fc_add_ex->fc_ex;
memcpy(&fc_add_ex, val, sizeof(fc_add_ex));
ex = (struct ext4_extent *)&fc_add_ex.fc_ex;
trace_ext4_fc_replay(sb, EXT4_FC_TAG_ADD_RANGE,
le32_to_cpu(fc_add_ex->fc_ino), le32_to_cpu(ex->ee_block),
le32_to_cpu(fc_add_ex.fc_ino), le32_to_cpu(ex->ee_block),
ext4_ext_get_actual_len(ex));
inode = ext4_iget(sb, le32_to_cpu(fc_add_ex->fc_ino),
EXT4_IGET_NORMAL);
inode = ext4_iget(sb, le32_to_cpu(fc_add_ex.fc_ino), EXT4_IGET_NORMAL);
if (IS_ERR(inode)) {
jbd_debug(1, "Inode not found.");
return 0;
......@@ -1762,32 +1766,33 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
/* Replay DEL_RANGE tag */
static int
ext4_fc_replay_del_range(struct super_block *sb, struct ext4_fc_tl *tl)
ext4_fc_replay_del_range(struct super_block *sb, struct ext4_fc_tl *tl,
u8 *val)
{
struct inode *inode;
struct ext4_fc_del_range *lrange;
struct ext4_fc_del_range lrange;
struct ext4_map_blocks map;
ext4_lblk_t cur, remaining;
int ret;
lrange = (struct ext4_fc_del_range *)ext4_fc_tag_val(tl);
cur = le32_to_cpu(lrange->fc_lblk);
remaining = le32_to_cpu(lrange->fc_len);
memcpy(&lrange, val, sizeof(lrange));
cur = le32_to_cpu(lrange.fc_lblk);
remaining = le32_to_cpu(lrange.fc_len);
trace_ext4_fc_replay(sb, EXT4_FC_TAG_DEL_RANGE,
le32_to_cpu(lrange->fc_ino), cur, remaining);
le32_to_cpu(lrange.fc_ino), cur, remaining);
inode = ext4_iget(sb, le32_to_cpu(lrange->fc_ino), EXT4_IGET_NORMAL);
inode = ext4_iget(sb, le32_to_cpu(lrange.fc_ino), EXT4_IGET_NORMAL);
if (IS_ERR(inode)) {
jbd_debug(1, "Inode %d not found", le32_to_cpu(lrange->fc_ino));
jbd_debug(1, "Inode %d not found", le32_to_cpu(lrange.fc_ino));
return 0;
}
ret = ext4_fc_record_modified_inode(sb, inode->i_ino);
jbd_debug(1, "DEL_RANGE, inode %ld, lblk %d, len %d\n",
inode->i_ino, le32_to_cpu(lrange->fc_lblk),
le32_to_cpu(lrange->fc_len));
inode->i_ino, le32_to_cpu(lrange.fc_lblk),
le32_to_cpu(lrange.fc_len));
while (remaining > 0) {
map.m_lblk = cur;
map.m_len = remaining;
......@@ -1808,8 +1813,8 @@ ext4_fc_replay_del_range(struct super_block *sb, struct ext4_fc_tl *tl)
}
ret = ext4_punch_hole(inode,
le32_to_cpu(lrange->fc_lblk) << sb->s_blocksize_bits,
le32_to_cpu(lrange->fc_len) << sb->s_blocksize_bits);
le32_to_cpu(lrange.fc_lblk) << sb->s_blocksize_bits,
le32_to_cpu(lrange.fc_len) << sb->s_blocksize_bits);
if (ret)
jbd_debug(1, "ext4_punch_hole returned %d", ret);
ext4_ext_replay_shrink_inode(inode,
......@@ -1925,11 +1930,11 @@ static int ext4_fc_replay_scan(journal_t *journal,
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_fc_replay_state *state;
int ret = JBD2_FC_REPLAY_CONTINUE;
struct ext4_fc_add_range *ext;
struct ext4_fc_tl *tl;
struct ext4_fc_tail *tail;
__u8 *start, *end;
struct ext4_fc_head *head;
struct ext4_fc_add_range ext;
struct ext4_fc_tl tl;
struct ext4_fc_tail tail;
__u8 *start, *end, *cur, *val;
struct ext4_fc_head head;
struct ext4_extent *ex;
state = &sbi->s_fc_replay_state;
......@@ -1956,15 +1961,17 @@ static int ext4_fc_replay_scan(journal_t *journal,
}
state->fc_replay_expected_off++;
fc_for_each_tl(start, end, tl) {
for (cur = start; cur < end; cur = cur + sizeof(tl) + le16_to_cpu(tl.fc_len)) {
memcpy(&tl, cur, sizeof(tl));
val = cur + sizeof(tl);
jbd_debug(3, "Scan phase, tag:%s, blk %lld\n",
tag2str(le16_to_cpu(tl->fc_tag)), bh->b_blocknr);
switch (le16_to_cpu(tl->fc_tag)) {
tag2str(le16_to_cpu(tl.fc_tag)), bh->b_blocknr);
switch (le16_to_cpu(tl.fc_tag)) {
case EXT4_FC_TAG_ADD_RANGE:
ext = (struct ext4_fc_add_range *)ext4_fc_tag_val(tl);
ex = (struct ext4_extent *)&ext->fc_ex;
memcpy(&ext, val, sizeof(ext));
ex = (struct ext4_extent *)&ext.fc_ex;
ret = ext4_fc_record_regions(sb,
le32_to_cpu(ext->fc_ino),
le32_to_cpu(ext.fc_ino),
le32_to_cpu(ex->ee_block), ext4_ext_pblock(ex),
ext4_ext_get_actual_len(ex));
if (ret < 0)
......@@ -1978,18 +1985,18 @@ static int ext4_fc_replay_scan(journal_t *journal,
case EXT4_FC_TAG_INODE:
case EXT4_FC_TAG_PAD:
state->fc_cur_tag++;
state->fc_crc = ext4_chksum(sbi, state->fc_crc, tl,
sizeof(*tl) + ext4_fc_tag_len(tl));
state->fc_crc = ext4_chksum(sbi, state->fc_crc, cur,
sizeof(tl) + le16_to_cpu(tl.fc_len));
break;
case EXT4_FC_TAG_TAIL:
state->fc_cur_tag++;
tail = (struct ext4_fc_tail *)ext4_fc_tag_val(tl);
state->fc_crc = ext4_chksum(sbi, state->fc_crc, tl,
sizeof(*tl) +
memcpy(&tail, val, sizeof(tail));
state->fc_crc = ext4_chksum(sbi, state->fc_crc, cur,
sizeof(tl) +
offsetof(struct ext4_fc_tail,
fc_crc));
if (le32_to_cpu(tail->fc_tid) == expected_tid &&
le32_to_cpu(tail->fc_crc) == state->fc_crc) {
if (le32_to_cpu(tail.fc_tid) == expected_tid &&
le32_to_cpu(tail.fc_crc) == state->fc_crc) {
state->fc_replay_num_tags = state->fc_cur_tag;
state->fc_regions_valid =
state->fc_regions_used;
......@@ -2000,19 +2007,19 @@ static int ext4_fc_replay_scan(journal_t *journal,
state->fc_crc = 0;
break;
case EXT4_FC_TAG_HEAD:
head = (struct ext4_fc_head *)ext4_fc_tag_val(tl);
if (le32_to_cpu(head->fc_features) &
memcpy(&head, val, sizeof(head));
if (le32_to_cpu(head.fc_features) &
~EXT4_FC_SUPPORTED_FEATURES) {
ret = -EOPNOTSUPP;
break;
}
if (le32_to_cpu(head->fc_tid) != expected_tid) {
if (le32_to_cpu(head.fc_tid) != expected_tid) {
ret = JBD2_FC_REPLAY_STOP;
break;
}
state->fc_cur_tag++;
state->fc_crc = ext4_chksum(sbi, state->fc_crc, tl,
sizeof(*tl) + ext4_fc_tag_len(tl));
state->fc_crc = ext4_chksum(sbi, state->fc_crc, cur,
sizeof(tl) + le16_to_cpu(tl.fc_len));
break;
default:
ret = state->fc_replay_num_tags ?
......@@ -2036,11 +2043,11 @@ static int ext4_fc_replay(journal_t *journal, struct buffer_head *bh,
{
struct super_block *sb = journal->j_private;
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_fc_tl *tl;
__u8 *start, *end;
struct ext4_fc_tl tl;
__u8 *start, *end, *cur, *val;
int ret = JBD2_FC_REPLAY_CONTINUE;
struct ext4_fc_replay_state *state = &sbi->s_fc_replay_state;
struct ext4_fc_tail *tail;
struct ext4_fc_tail tail;
if (pass == PASS_SCAN) {
state->fc_current_pass = PASS_SCAN;
......@@ -2067,49 +2074,52 @@ static int ext4_fc_replay(journal_t *journal, struct buffer_head *bh,
start = (u8 *)bh->b_data;
end = (__u8 *)bh->b_data + journal->j_blocksize - 1;
fc_for_each_tl(start, end, tl) {
for (cur = start; cur < end; cur = cur + sizeof(tl) + le16_to_cpu(tl.fc_len)) {
memcpy(&tl, cur, sizeof(tl));
val = cur + sizeof(tl);
if (state->fc_replay_num_tags == 0) {
ret = JBD2_FC_REPLAY_STOP;
ext4_fc_set_bitmaps_and_counters(sb);
break;
}
jbd_debug(3, "Replay phase, tag:%s\n",
tag2str(le16_to_cpu(tl->fc_tag)));
tag2str(le16_to_cpu(tl.fc_tag)));
state->fc_replay_num_tags--;
switch (le16_to_cpu(tl->fc_tag)) {
switch (le16_to_cpu(tl.fc_tag)) {
case EXT4_FC_TAG_LINK:
ret = ext4_fc_replay_link(sb, tl);
ret = ext4_fc_replay_link(sb, &tl, val);
break;
case EXT4_FC_TAG_UNLINK:
ret = ext4_fc_replay_unlink(sb, tl);
ret = ext4_fc_replay_unlink(sb, &tl, val);
break;
case EXT4_FC_TAG_ADD_RANGE:
ret = ext4_fc_replay_add_range(sb, tl);
ret = ext4_fc_replay_add_range(sb, &tl, val);
break;
case EXT4_FC_TAG_CREAT:
ret = ext4_fc_replay_create(sb, tl);
ret = ext4_fc_replay_create(sb, &tl, val);
break;
case EXT4_FC_TAG_DEL_RANGE:
ret = ext4_fc_replay_del_range(sb, tl);
ret = ext4_fc_replay_del_range(sb, &tl, val);
break;
case EXT4_FC_TAG_INODE:
ret = ext4_fc_replay_inode(sb, tl);
ret = ext4_fc_replay_inode(sb, &tl, val);
break;
case EXT4_FC_TAG_PAD:
trace_ext4_fc_replay(sb, EXT4_FC_TAG_PAD, 0,
ext4_fc_tag_len(tl), 0);
le16_to_cpu(tl.fc_len), 0);
break;
case EXT4_FC_TAG_TAIL:
trace_ext4_fc_replay(sb, EXT4_FC_TAG_TAIL, 0,
ext4_fc_tag_len(tl), 0);
tail = (struct ext4_fc_tail *)ext4_fc_tag_val(tl);
WARN_ON(le32_to_cpu(tail->fc_tid) != expected_tid);
le16_to_cpu(tl.fc_len), 0);
memcpy(&tail, val, sizeof(tail));
WARN_ON(le32_to_cpu(tail.fc_tid) != expected_tid);
break;
case EXT4_FC_TAG_HEAD:
break;
default:
trace_ext4_fc_replay(sb, le16_to_cpu(tl->fc_tag), 0,
ext4_fc_tag_len(tl), 0);
trace_ext4_fc_replay(sb, le16_to_cpu(tl.fc_tag), 0,
le16_to_cpu(tl.fc_len), 0);
ret = -ECANCELED;
break;
}
......
fs/ext4/fast_commit.h
View file @ 20e41d9b
......@@ -153,13 +153,6 @@ struct ext4_fc_replay_state {
#define region_last(__region) (((__region)->lblk) + ((__region)->len) - 1)
#endif
#define fc_for_each_tl(__start, __end, __tl) \
for (tl = (struct ext4_fc_tl *)(__start); \
(__u8 *)tl < (__u8 *)(__end); \
tl = (struct ext4_fc_tl *)((__u8 *)tl + \
sizeof(struct ext4_fc_tl) + \
+ le16_to_cpu(tl->fc_len)))
static inline const char *tag2str(__u16 tag)
{
switch (tag) {
......@@ -186,16 +179,4 @@ static inline const char *tag2str(__u16 tag)
}
}
/* Get length of a particular tlv */
static inline int ext4_fc_tag_len(struct ext4_fc_tl *tl)
{
return le16_to_cpu(tl->fc_len);
}
/* Get a pointer to "value" of a tlv */
static inline __u8 *ext4_fc_tag_val(struct ext4_fc_tl *tl)
{
return (__u8 *)tl + sizeof(*tl);
}
#endif /* __FAST_COMMIT_H__ */
fs/ext4/ialloc.c
View file @ 20e41d9b
......@@ -322,14 +322,16 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
if (is_directory) {
count = ext4_used_dirs_count(sb, gdp) - 1;
ext4_used_dirs_set(sb, gdp, count);
percpu_counter_dec(&sbi->s_dirs_counter);
if (percpu_counter_initialized(&sbi->s_dirs_counter))
percpu_counter_dec(&sbi->s_dirs_counter);
}
ext4_inode_bitmap_csum_set(sb, block_group, gdp, bitmap_bh,
EXT4_INODES_PER_GROUP(sb) / 8);
ext4_group_desc_csum_set(sb, block_group, gdp);
ext4_unlock_group(sb, block_group);
percpu_counter_inc(&sbi->s_freeinodes_counter);
if (percpu_counter_initialized(&sbi->s_freeinodes_counter))
percpu_counter_inc(&sbi->s_freeinodes_counter);
if (sbi->s_log_groups_per_flex) {
struct flex_groups *fg;
......
fs/ext4/mballoc.c
View file @ 20e41d9b
......@@ -3217,7 +3217,7 @@ static int ext4_mb_init_backend(struct super_block *sb)
*/
if (sbi->s_es->s_log_groups_per_flex >= 32) {
ext4_msg(sb, KERN_ERR, "too many log groups per flexible block group");
goto err_freesgi;
goto err_freebuddy;
}
sbi->s_mb_prefetch = min_t(uint, 1 << sbi->s_es->s_log_groups_per_flex,
BLK_MAX_SEGMENT_SIZE >> (sb->s_blocksize_bits - 9));
......
fs/ext4/namei.c
View file @ 20e41d9b
......@@ -1376,7 +1376,8 @@ int ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
struct dx_hash_info *hinfo = &name->hinfo;
int len;
if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding) {
if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding ||
(IS_ENCRYPTED(dir) && !fscrypt_has_encryption_key(dir))) {
cf_name->name = NULL;
return 0;
}
......@@ -1427,7 +1428,8 @@ static bool ext4_match(struct inode *parent,
#endif
#ifdef CONFIG_UNICODE
if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent)) {
if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent) &&
(!IS_ENCRYPTED(parent) || fscrypt_has_encryption_key(parent))) {
if (fname->cf_name.name) {
struct qstr cf = {.name = fname->cf_name.name,
.len = fname->cf_name.len};
......
fs/ext4/super.c
View file @ 20e41d9b
......@@ -4462,14 +4462,20 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
}
if (sb->s_blocksize != blocksize) {
/*
* bh must be released before kill_bdev(), otherwise
* it won't be freed and its page also. kill_bdev()
* is called by sb_set_blocksize().
*/
brelse(bh);
/* Validate the filesystem blocksize */
if (!sb_set_blocksize(sb, blocksize)) {
ext4_msg(sb, KERN_ERR, "bad block size %d",
blocksize);
bh = NULL;
goto failed_mount;
}
brelse(bh);
logical_sb_block = sb_block * EXT4_MIN_BLOCK_SIZE;
offset = do_div(logical_sb_block, blocksize);
bh = ext4_sb_bread_unmovable(sb, logical_sb_block);
......@@ -5202,8 +5208,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
kfree(get_qf_name(sb, sbi, i));
#endif
fscrypt_free_dummy_policy(&sbi->s_dummy_enc_policy);
ext4_blkdev_remove(sbi);
/* ext4_blkdev_remove() calls kill_bdev(), release bh before it. */
brelse(bh);
ext4_blkdev_remove(sbi);
out_fail:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
......
fs/ext4/sysfs.c
View file @ 20e41d9b
......@@ -315,7 +315,9 @@ EXT4_ATTR_FEATURE(verity);
#endif
EXT4_ATTR_FEATURE(metadata_csum_seed);
EXT4_ATTR_FEATURE(fast_commit);
#if defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)
EXT4_ATTR_FEATURE(encrypted_casefold);
#endif
static struct attribute *ext4_feat_attrs[] = {
ATTR_LIST(lazy_itable_init),
......@@ -333,7 +335,9 @@ static struct attribute *ext4_feat_attrs[] = {
#endif
ATTR_LIST(metadata_csum_seed),
ATTR_LIST(fast_commit),
#if defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)
ATTR_LIST(encrypted_casefold),
#endif
NULL,
};
ATTRIBUTE_GROUPS(ext4_feat);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7