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-rw-r--r--fs/btrfs/block-rsv.c2
-rw-r--r--fs/btrfs/block-rsv.h32
-rw-r--r--fs/btrfs/dev-replace.c24
-rw-r--r--fs/btrfs/send.c17
-rw-r--r--fs/btrfs/space-info.c26
-rw-r--r--fs/btrfs/zoned.c9
-rw-r--r--fs/efivarfs/internal.h2
-rw-r--r--fs/efivarfs/super.c7
-rw-r--r--fs/efivarfs/vars.c23
-rw-r--r--fs/ntfs3/frecord.c2
10 files changed, 104 insertions, 40 deletions
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
index ceb5f586a2d5..1043a8142351 100644
--- a/fs/btrfs/block-rsv.c
+++ b/fs/btrfs/block-rsv.c
@@ -494,7 +494,7 @@ struct btrfs_block_rsv *btrfs_use_block_rsv(struct btrfs_trans_handle *trans,
block_rsv = get_block_rsv(trans, root);
- if (unlikely(block_rsv->size == 0))
+ if (unlikely(btrfs_block_rsv_size(block_rsv) == 0))
goto try_reserve;
again:
ret = btrfs_block_rsv_use_bytes(block_rsv, blocksize);
diff --git a/fs/btrfs/block-rsv.h b/fs/btrfs/block-rsv.h
index b0bd12b8652f..43a9a6b5a79f 100644
--- a/fs/btrfs/block-rsv.h
+++ b/fs/btrfs/block-rsv.h
@@ -101,4 +101,36 @@ static inline bool btrfs_block_rsv_full(const struct btrfs_block_rsv *rsv)
return data_race(rsv->full);
}
+/*
+ * Get the reserved mount of a block reserve in a context where getting a stale
+ * value is acceptable, instead of accessing it directly and trigger data race
+ * warning from KCSAN.
+ */
+static inline u64 btrfs_block_rsv_reserved(struct btrfs_block_rsv *rsv)
+{
+ u64 ret;
+
+ spin_lock(&rsv->lock);
+ ret = rsv->reserved;
+ spin_unlock(&rsv->lock);
+
+ return ret;
+}
+
+/*
+ * Get the size of a block reserve in a context where getting a stale value is
+ * acceptable, instead of accessing it directly and trigger data race warning
+ * from KCSAN.
+ */
+static inline u64 btrfs_block_rsv_size(struct btrfs_block_rsv *rsv)
+{
+ u64 ret;
+
+ spin_lock(&rsv->lock);
+ ret = rsv->size;
+ spin_unlock(&rsv->lock);
+
+ return ret;
+}
+
#endif /* BTRFS_BLOCK_RSV_H */
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 1502d664c892..79c4293ddf37 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -725,6 +725,23 @@ leave:
return ret;
}
+static int btrfs_check_replace_dev_names(struct btrfs_ioctl_dev_replace_args *args)
+{
+ if (args->start.srcdevid == 0) {
+ if (memchr(args->start.srcdev_name, 0,
+ sizeof(args->start.srcdev_name)) == NULL)
+ return -ENAMETOOLONG;
+ } else {
+ args->start.srcdev_name[0] = 0;
+ }
+
+ if (memchr(args->start.tgtdev_name, 0,
+ sizeof(args->start.tgtdev_name)) == NULL)
+ return -ENAMETOOLONG;
+
+ return 0;
+}
+
int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args)
{
@@ -737,10 +754,9 @@ int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
default:
return -EINVAL;
}
-
- if ((args->start.srcdevid == 0 && args->start.srcdev_name[0] == '\0') ||
- args->start.tgtdev_name[0] == '\0')
- return -EINVAL;
+ ret = btrfs_check_replace_dev_names(args);
+ if (ret < 0)
+ return ret;
ret = btrfs_dev_replace_start(fs_info, args->start.tgtdev_name,
args->start.srcdevid,
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 7902298c1f25..e48a063ef085 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -6705,11 +6705,20 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)
if (ret)
goto out;
}
- if (sctx->cur_inode_last_extent <
- sctx->cur_inode_size) {
- ret = send_hole(sctx, sctx->cur_inode_size);
- if (ret)
+ if (sctx->cur_inode_last_extent < sctx->cur_inode_size) {
+ ret = range_is_hole_in_parent(sctx,
+ sctx->cur_inode_last_extent,
+ sctx->cur_inode_size);
+ if (ret < 0) {
goto out;
+ } else if (ret == 0) {
+ ret = send_hole(sctx, sctx->cur_inode_size);
+ if (ret < 0)
+ goto out;
+ } else {
+ /* Range is already a hole, skip. */
+ ret = 0;
+ }
}
}
if (need_truncate) {
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 571bb13587d5..3b54eb583474 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -856,7 +856,7 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_fs_info *fs_info,
static bool need_preemptive_reclaim(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *space_info)
{
- u64 global_rsv_size = fs_info->global_block_rsv.reserved;
+ const u64 global_rsv_size = btrfs_block_rsv_reserved(&fs_info->global_block_rsv);
u64 ordered, delalloc;
u64 thresh;
u64 used;
@@ -956,8 +956,8 @@ static bool need_preemptive_reclaim(struct btrfs_fs_info *fs_info,
ordered = percpu_counter_read_positive(&fs_info->ordered_bytes) >> 1;
delalloc = percpu_counter_read_positive(&fs_info->delalloc_bytes);
if (ordered >= delalloc)
- used += fs_info->delayed_refs_rsv.reserved +
- fs_info->delayed_block_rsv.reserved;
+ used += btrfs_block_rsv_reserved(&fs_info->delayed_refs_rsv) +
+ btrfs_block_rsv_reserved(&fs_info->delayed_block_rsv);
else
used += space_info->bytes_may_use - global_rsv_size;
@@ -1173,7 +1173,7 @@ static void btrfs_preempt_reclaim_metadata_space(struct work_struct *work)
enum btrfs_flush_state flush;
u64 delalloc_size = 0;
u64 to_reclaim, block_rsv_size;
- u64 global_rsv_size = global_rsv->reserved;
+ const u64 global_rsv_size = btrfs_block_rsv_reserved(global_rsv);
loops++;
@@ -1185,9 +1185,9 @@ static void btrfs_preempt_reclaim_metadata_space(struct work_struct *work)
* assume it's tied up in delalloc reservations.
*/
block_rsv_size = global_rsv_size +
- delayed_block_rsv->reserved +
- delayed_refs_rsv->reserved +
- trans_rsv->reserved;
+ btrfs_block_rsv_reserved(delayed_block_rsv) +
+ btrfs_block_rsv_reserved(delayed_refs_rsv) +
+ btrfs_block_rsv_reserved(trans_rsv);
if (block_rsv_size < space_info->bytes_may_use)
delalloc_size = space_info->bytes_may_use - block_rsv_size;
@@ -1207,16 +1207,16 @@ static void btrfs_preempt_reclaim_metadata_space(struct work_struct *work)
to_reclaim = delalloc_size;
flush = FLUSH_DELALLOC;
} else if (space_info->bytes_pinned >
- (delayed_block_rsv->reserved +
- delayed_refs_rsv->reserved)) {
+ (btrfs_block_rsv_reserved(delayed_block_rsv) +
+ btrfs_block_rsv_reserved(delayed_refs_rsv))) {
to_reclaim = space_info->bytes_pinned;
flush = COMMIT_TRANS;
- } else if (delayed_block_rsv->reserved >
- delayed_refs_rsv->reserved) {
- to_reclaim = delayed_block_rsv->reserved;
+ } else if (btrfs_block_rsv_reserved(delayed_block_rsv) >
+ btrfs_block_rsv_reserved(delayed_refs_rsv)) {
+ to_reclaim = btrfs_block_rsv_reserved(delayed_block_rsv);
flush = FLUSH_DELAYED_ITEMS_NR;
} else {
- to_reclaim = delayed_refs_rsv->reserved;
+ to_reclaim = btrfs_block_rsv_reserved(delayed_refs_rsv);
flush = FLUSH_DELAYED_REFS_NR;
}
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 3a5d69ff25fc..5f750fa53a2b 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -1639,6 +1639,15 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
}
out:
+ /* Reject non SINGLE data profiles without RST */
+ if ((map->type & BTRFS_BLOCK_GROUP_DATA) &&
+ (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) &&
+ !fs_info->stripe_root) {
+ btrfs_err(fs_info, "zoned: data %s needs raid-stripe-tree",
+ btrfs_bg_type_to_raid_name(map->type));
+ return -EINVAL;
+ }
+
if (cache->alloc_offset > cache->zone_capacity) {
btrfs_err(fs_info,
"zoned: invalid write pointer %llu (larger than zone capacity %llu) in block group %llu",
diff --git a/fs/efivarfs/internal.h b/fs/efivarfs/internal.h
index 169252e6dc46..f7206158ee81 100644
--- a/fs/efivarfs/internal.h
+++ b/fs/efivarfs/internal.h
@@ -38,7 +38,7 @@ struct efivar_entry {
int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
struct list_head *),
- void *data, bool duplicates, struct list_head *head);
+ void *data, struct list_head *head);
int efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
void __efivar_entry_add(struct efivar_entry *entry, struct list_head *head);
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 6038dd39367a..bb14462f6d99 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -343,12 +343,7 @@ static int efivarfs_fill_super(struct super_block *sb, struct fs_context *fc)
if (err)
return err;
- err = efivar_init(efivarfs_callback, (void *)sb, true,
- &sfi->efivarfs_list);
- if (err)
- efivar_entry_iter(efivarfs_destroy, &sfi->efivarfs_list, NULL);
-
- return err;
+ return efivar_init(efivarfs_callback, sb, &sfi->efivarfs_list);
}
static int efivarfs_get_tree(struct fs_context *fc)
diff --git a/fs/efivarfs/vars.c b/fs/efivarfs/vars.c
index 114ff0fd4e55..4d722af1014f 100644
--- a/fs/efivarfs/vars.c
+++ b/fs/efivarfs/vars.c
@@ -361,7 +361,6 @@ static void dup_variable_bug(efi_char16_t *str16, efi_guid_t *vendor_guid,
* efivar_init - build the initial list of EFI variables
* @func: callback function to invoke for every variable
* @data: function-specific data to pass to @func
- * @duplicates: error if we encounter duplicates on @head?
* @head: initialised head of variable list
*
* Get every EFI variable from the firmware and invoke @func. @func
@@ -371,9 +370,9 @@ static void dup_variable_bug(efi_char16_t *str16, efi_guid_t *vendor_guid,
*/
int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
struct list_head *),
- void *data, bool duplicates, struct list_head *head)
+ void *data, struct list_head *head)
{
- unsigned long variable_name_size = 1024;
+ unsigned long variable_name_size = 512;
efi_char16_t *variable_name;
efi_status_t status;
efi_guid_t vendor_guid;
@@ -390,12 +389,13 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
goto free;
/*
- * Per EFI spec, the maximum storage allocated for both
- * the variable name and variable data is 1024 bytes.
+ * A small set of old UEFI implementations reject sizes
+ * above a certain threshold, the lowest seen in the wild
+ * is 512.
*/
do {
- variable_name_size = 1024;
+ variable_name_size = 512;
status = efivar_get_next_variable(&variable_name_size,
variable_name,
@@ -413,8 +413,7 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
* we'll ever see a different variable name,
* and may end up looping here forever.
*/
- if (duplicates &&
- variable_is_present(variable_name, &vendor_guid,
+ if (variable_is_present(variable_name, &vendor_guid,
head)) {
dup_variable_bug(variable_name, &vendor_guid,
variable_name_size);
@@ -432,9 +431,13 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
break;
case EFI_NOT_FOUND:
break;
+ case EFI_BUFFER_TOO_SMALL:
+ pr_warn("efivars: Variable name size exceeds maximum (%lu > 512)\n",
+ variable_name_size);
+ status = EFI_NOT_FOUND;
+ break;
default:
- printk(KERN_WARNING "efivars: get_next_variable: status=%lx\n",
- status);
+ pr_warn("efivars: get_next_variable: status=%lx\n", status);
status = EFI_NOT_FOUND;
break;
}
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 3b42938a9d3b..7f27382e0ce2 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -2457,7 +2457,6 @@ int ni_read_frame(struct ntfs_inode *ni, u64 frame_vbo, struct page **pages,
struct ATTR_LIST_ENTRY *le = NULL;
struct runs_tree *run = &ni->file.run;
u64 valid_size = ni->i_valid;
- loff_t i_size = i_size_read(&ni->vfs_inode);
u64 vbo_disk;
size_t unc_size;
u32 frame_size, i, npages_disk, ondisk_size;
@@ -2509,6 +2508,7 @@ int ni_read_frame(struct ntfs_inode *ni, u64 frame_vbo, struct page **pages,
err = -EOPNOTSUPP;
goto out1;
#else
+ loff_t i_size = i_size_read(&ni->vfs_inode);
u32 frame_bits = ni_ext_compress_bits(ni);
u64 frame64 = frame_vbo >> frame_bits;
u64 frames, vbo_data;
generated by cgit (git 2.34.1) at 2024-05-19 11:28:33 +0000