A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 18:51:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

This pull request contains updates for both UBI and UBIFS:

Browse source 
- Year 2038 preparations
 - New UBI feature to skip CRC checks of static volumes
 - A new Kconfig option to disable xattrs in UBIFS
 - Lots of fixes in UBIFS, found by our new test framework
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAlt9zFkWHHJpY2hhcmRA
 c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7waiuD/oDYzerOLe0R7n2sRT9zjtY8kCx
 LuizRvDYUlmMynI6EVahfyJy2IixcDmXOklGdxJqUkN5igDC/FORWdQjv2X9y56d
 qZ2dlS8aBvI0ZKBG2ew4VP1H67CXtCw8H9fE32SGotPmxKRUQqt2vKqo+vgQfapH
 eSVPrOaoqoRh+/ieumYXsvFdEUWpa66G3tVMFe4znu+kYRBbGzSszxpuq1ukIls2
 P9wewqbWAZpqn+n9A9+RBIv81g+jH87/acfjK2L7/lT9wsFO7BQGKi373dPbnTa5
 9WsjGEd+Gt0kb4Kjh5QegY97bPqWjmaMj1BLqeQVpSbQqpzkiFMf9GW5+h3XqAfO
 hM1zzgONZMxHdZSKH0bWzIRQbvU6v0d9C4J/elfFuH9ke2XscrxjOtZZQbtbGeYj
 tE7FWoZnB8euXubulGAUBKofzWe+gItBe9+iA29EBETNOemrJyHyKjO0Fe9ze5p2
 bfVFvN62kHz4ZCJoinwO/OpXnCuA91xrVocLOOIreb4dkZ/kqP+YZWFf70FcE1o5
 sPAbAUu+hfb2LbpktEdZHHbhoupfCnJokzfboJMX0NWKRtFXJDONjogJYTFUjrpW
 eXS+55+WFHoLWtx9J2IVmcb3cQrj/W/4J83kSg99cUkVjGpil50zmtzhq9bHzsLc
 wazngueP7kW2l9bSSg==
 =gCyp
 -----END PGP SIGNATURE-----

Merge tag 'upstream-4.19-rc1' of git://git.infradead.org/linux-ubifs

Pull UBI/UBIFS updates from Richard Weinberger:

 - Year 2038 preparations

 - New UBI feature to skip CRC checks of static volumes

 - A new Kconfig option to disable xattrs in UBIFS

 - Lots of fixes in UBIFS, found by our new test framework

* tag 'upstream-4.19-rc1' of git://git.infradead.org/linux-ubifs: (21 commits)
  ubifs: Set default assert action to read-only
  ubifs: Allow setting assert action as mount parameter
  ubifs: Rework ubifs_assert()
  ubifs: Pass struct ubifs_info to ubifs_assert()
  ubifs: Turn two ubifs_assert() into a WARN_ON()
  ubi: expose the volume CRC check skip flag
  ubi: provide a way to skip CRC checks
  ubifs: Use kmalloc_array()
  ubifs: Check data node size before truncate
  Revert "UBIFS: Fix potential integer overflow in allocation"
  ubifs: Add comment on c->commit_sem
  ubifs: introduce Kconfig symbol for xattr support
  ubifs: use swap macro in swap_dirty_idx
  ubifs: tnc: use monotonic znode timestamp
  ubifs: use timespec64 for inode timestamps
  ubifs: xattr: Don't operate on deleted inodes
  ubifs: gc: Fix typo
  ubifs: Fix memory leak in lprobs self-check
  ubi: Initialize Fastmap checkmapping correctly
  ubifs: Fix synced_i_size calculation for xattr inodes
  ...
This commit is contained in:
Linus Torvalds 2018-08-23 15:58:04 -07:00
commit 6f7948f566
41 changed files with 787 additions and 571 deletions
Download patch file Download diff file Expand all files Collapse all files

11
drivers/mtd/ubi/cdev.c
View file

@ -367,6 +367,10 @@ static ssize_t vol_cdev_write(struct file *file, const char __user *buf,
return count;
}
/*
* We voluntarily do not take into account the skip_check flag
* as we want to make sure what we wrote was correctly written.
*/
err = ubi_check_volume(ubi, vol->vol_id);
if (err < 0)
return err;
@ -622,6 +626,13 @@ static int verify_mkvol_req(const struct ubi_device *ubi,
req->vol_type != UBI_STATIC_VOLUME)
goto bad;
if (req->flags & ~UBI_VOL_VALID_FLGS)
goto bad;
if (req->flags & UBI_VOL_SKIP_CRC_CHECK_FLG &&
req->vol_type != UBI_STATIC_VOLUME)
goto bad;
if (req->alignment > ubi->leb_size)
goto bad;

2
drivers/mtd/ubi/kapi.c
View file

@ -202,7 +202,7 @@ struct ubi_volume_desc *ubi_open_volume(int ubi_num, int vol_id, int mode)
desc->mode = mode;
mutex_lock(&ubi->ckvol_mutex);
if (!vol->checked) {
if (!vol->checked && !vol->skip_check) {
/* This is the first open - check the volume */
err = ubi_check_volume(ubi, vol_id);
if (err < 0) {

6
drivers/mtd/ubi/ubi-media.h
View file

@ -45,6 +45,11 @@ enum {
* Volume flags used in the volume table record.
*
* @UBI_VTBL_AUTORESIZE_FLG: auto-resize this volume
* @UBI_VTBL_SKIP_CRC_CHECK_FLG: skip the CRC check done on a static volume at
* open time. Should only be set on volumes that
* are used by upper layers doing this kind of
* check. Main use-case for this flag is
* boot-time reduction
*
* %UBI_VTBL_AUTORESIZE_FLG flag can be set only for one volume in the volume
* table. UBI automatically re-sizes the volume which has this flag and makes
@ -76,6 +81,7 @@ enum {
*/
enum {
UBI_VTBL_AUTORESIZE_FLG = 0x01,
UBI_VTBL_SKIP_CRC_CHECK_FLG = 0x02,
};
/*

4
drivers/mtd/ubi/ubi.h
View file

@ -327,6 +327,9 @@ struct ubi_eba_leb_desc {
* atomic LEB change
*
* @eba_tbl: EBA table of this volume (LEB->PEB mapping)
* @skip_check: %1 if CRC check of this static volume should be skipped.
* Directly reflects the presence of the
* %UBI_VTBL_SKIP_CRC_CHECK_FLG flag in the vtbl entry
* @checked: %1 if this static volume was checked
* @corrupted: %1 if the volume is corrupted (static volumes only)
* @upd_marker: %1 if the update marker is set for this volume
@ -374,6 +377,7 @@ struct ubi_volume {
void *upd_buf;
struct ubi_eba_table *eba_tbl;
unsigned int skip_check:1;
unsigned int checked:1;
unsigned int corrupted:1;
unsigned int upd_marker:1;

12
drivers/mtd/ubi/vmt.c
View file

@ -174,6 +174,9 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
vol->dev.class = &ubi_class;
vol->dev.groups = volume_dev_groups;
if (req->flags & UBI_VOL_SKIP_CRC_CHECK_FLG)
vol->skip_check = 1;
spin_lock(&ubi->volumes_lock);
if (vol_id == UBI_VOL_NUM_AUTO) {
/* Find unused volume ID */
@ -299,6 +302,10 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
vtbl_rec.vol_type = UBI_VID_DYNAMIC;
else
vtbl_rec.vol_type = UBI_VID_STATIC;
if (vol->skip_check)
vtbl_rec.flags |= UBI_VTBL_SKIP_CRC_CHECK_FLG;
memcpy(vtbl_rec.name, vol->name, vol->name_len);
err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec);
@ -733,6 +740,11 @@ static int self_check_volume(struct ubi_device *ubi, int vol_id)
ubi_err(ubi, "bad used_bytes");
goto fail;
}
if (vol->skip_check) {
ubi_err(ubi, "bad skip_check");
goto fail;
}
} else {
if (vol->used_ebs < 0 || vol->used_ebs > vol->reserved_pebs) {
ubi_err(ubi, "bad used_ebs");

23
drivers/mtd/ubi/vtbl.c
View file

@ -560,6 +560,9 @@ static int init_volumes(struct ubi_device *ubi,
vol->name[vol->name_len] = '\0';
vol->vol_id = i;
if (vtbl[i].flags & UBI_VTBL_SKIP_CRC_CHECK_FLG)
vol->skip_check = 1;
if (vtbl[i].flags & UBI_VTBL_AUTORESIZE_FLG) {
/* Auto re-size flag may be set only for one volume */
if (ubi->autoresize_vol_id != -1) {
@ -578,6 +581,16 @@ static int init_volumes(struct ubi_device *ubi,
vol->ubi = ubi;
reserved_pebs += vol->reserved_pebs;
/*
* We use ubi->peb_count and not vol->reserved_pebs because
* we want to keep the code simple. Otherwise we'd have to
* resize/check the bitmap upon volume resize too.
* Allocating a few bytes more does not hurt.
*/
err = ubi_fastmap_init_checkmap(vol, ubi->peb_count);
if (err)
return err;
/*
* In case of dynamic volume UBI knows nothing about how many
* data is stored there. So assume the whole volume is used.
@ -620,16 +633,6 @@ static int init_volumes(struct ubi_device *ubi,
(long long)(vol->used_ebs - 1) * vol->usable_leb_size;
vol->used_bytes += av->last_data_size;
vol->last_eb_bytes = av->last_data_size;
/*
* We use ubi->peb_count and not vol->reserved_pebs because
* we want to keep the code simple. Otherwise we'd have to
* resize/check the bitmap upon volume resize too.
* Allocating a few bytes more does not hurt.
*/
err = ubi_fastmap_init_checkmap(vol, ubi->peb_count);
if (err)
return err;
}
/* And add the layout volume */