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Block patches

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Merge remote-tracking branch 'kwolf/tags/for-anthony' into staging

Block patches

# gpg: Signature made Fri 13 Dec 2013 09:47:03 AM PST using RSA key ID C88F2FD6
# gpg: Can't check signature: public key not found

# By Peter Lieven (2) and others
# Via Kevin Wolf
* kwolf/tags/for-anthony:
  blkdebug: Use QLIST_FOREACH_SAFE to resume IO
  qemu-img: make progress output more accurate during convert
  block: expect get_block_status errors in bdrv_make_zero
  block/vvfat: Fix compiler warnings for OpenBSD
  qapi-schema.json: Change 1.8 reference to 2.0
  sheepdog: check if '-o redundancy' is passed from user

Message-id: 1386956943-19474-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This commit is contained in:
Anthony Liguori 2013-12-16 09:43:27 -08:00
commit 80d6f5eae7
6 changed files with 58 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
block.c
View File

@ -2421,6 +2421,11 @@ int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags)
nb_sectors = INT_MAX;
}
ret = bdrv_get_block_status(bs, sector_num, nb_sectors, &n);
if (ret < 0) {
error_report("error getting block status at sector %" PRId64 ": %s",
sector_num, strerror(-ret));
return ret;
}
if (ret & BDRV_BLOCK_ZERO) {
sector_num += n;
continue;

8
block/blkdebug.c
View File

@ -594,9 +594,9 @@ static int blkdebug_debug_breakpoint(BlockDriverState *bs, const char *event,
static int blkdebug_debug_resume(BlockDriverState *bs, const char *tag)
{
BDRVBlkdebugState *s = bs->opaque;
BlkdebugSuspendedReq *r;
BlkdebugSuspendedReq *r, *next;
QLIST_FOREACH(r, &s->suspended_reqs, next) {
QLIST_FOREACH_SAFE(r, &s->suspended_reqs, next, next) {
if (!strcmp(r->tag, tag)) {
qemu_coroutine_enter(r->co, NULL);
return 0;
@ -609,7 +609,7 @@ static int blkdebug_debug_remove_breakpoint(BlockDriverState *bs,
const char *tag)
{
BDRVBlkdebugState *s = bs->opaque;
BlkdebugSuspendedReq *r;
BlkdebugSuspendedReq *r, *r_next;
BlkdebugRule *rule, *next;
int i, ret = -ENOENT;
@ -622,7 +622,7 @@ static int blkdebug_debug_remove_breakpoint(BlockDriverState *bs,
}
}
}
QLIST_FOREACH(r, &s->suspended_reqs, next) {
QLIST_FOREACH_SAFE(r, &s->suspended_reqs, next, r_next) {
if (!strcmp(r->tag, tag)) {
qemu_coroutine_enter(r->co, NULL);
ret = 0;

8
block/sheepdog.c
View File

@ -1666,9 +1666,11 @@ static int sd_create(const char *filename, QEMUOptionParameter *options,
goto out;
}
} else if (!strcmp(options->name, BLOCK_OPT_REDUNDANCY)) {
ret = parse_redundancy(s, options->value.s);
if (ret < 0) {
goto out;
if (options->value.s) {
ret = parse_redundancy(s, options->value.s);
if (ret < 0) {
goto out;
}
}
}
options++;

43
block/vvfat.c
View File

@ -266,8 +266,7 @@ typedef struct mbr_t {
} QEMU_PACKED mbr_t;
typedef struct direntry_t {
uint8_t name[8];
uint8_t extension[3];
uint8_t name[8 + 3];
uint8_t attributes;
uint8_t reserved[2];
uint16_t ctime;
@ -518,11 +517,9 @@ static inline uint8_t fat_chksum(const direntry_t* entry)
uint8_t chksum=0;
int i;
for(i=0;i<11;i++) {
unsigned char c;
c = (i < 8) ? entry->name[i] : entry->extension[i-8];
chksum=(((chksum&0xfe)>>1)|((chksum&0x01)?0x80:0)) + c;
for (i = 0; i < ARRAY_SIZE(entry->name); i++) {
chksum = (((chksum & 0xfe) >> 1) |
((chksum & 0x01) ? 0x80 : 0)) + entry->name[i];
}
return chksum;
@ -617,7 +614,7 @@ static inline direntry_t* create_short_and_long_name(BDRVVVFATState* s,
if(is_dot) {
entry=array_get_next(&(s->directory));
memset(entry->name,0x20,11);
memset(entry->name, 0x20, sizeof(entry->name));
memcpy(entry->name,filename,strlen(filename));
return entry;
}
@ -632,12 +629,14 @@ static inline direntry_t* create_short_and_long_name(BDRVVVFATState* s,
i = 8;
entry=array_get_next(&(s->directory));
memset(entry->name,0x20,11);
memset(entry->name, 0x20, sizeof(entry->name));
memcpy(entry->name, filename, i);
if(j > 0)
for (i = 0; i < 3 && filename[j+1+i]; i++)
entry->extension[i] = filename[j+1+i];
if (j > 0) {
for (i = 0; i < 3 && filename[j + 1 + i]; i++) {
entry->name[8 + i] = filename[j + 1 + i];
}
}
/* upcase & remove unwanted characters */
for(i=10;i>=0;i--) {
@ -861,8 +860,7 @@ static int init_directories(BDRVVVFATState* s,
{
direntry_t* entry=array_get_next(&(s->directory));
entry->attributes=0x28; /* archive | volume label */
memcpy(entry->name,"QEMU VVF",8);
memcpy(entry->extension,"AT ",3);
memcpy(entry->name, "QEMU VVFAT ", sizeof(entry->name));
}
/* Now build FAT, and write back information into directory */
@ -1591,17 +1589,20 @@ static int parse_short_name(BDRVVVFATState* s,
lfn->name[i] = direntry->name[i];
}
for (j = 2; j >= 0 && direntry->extension[j] == ' '; j--);
for (j = 2; j >= 0 && direntry->name[8 + j] == ' '; j--) {
}
if (j >= 0) {
lfn->name[i++] = '.';
lfn->name[i + j + 1] = '\0';
for (;j >= 0; j--) {
if (direntry->extension[j] <= ' ' || direntry->extension[j] > 0x7f)
return -2;
else if (s->downcase_short_names)
lfn->name[i + j] = qemu_tolower(direntry->extension[j]);
else
lfn->name[i + j] = direntry->extension[j];
uint8_t c = direntry->name[8 + j];
if (c <= ' ' || c > 0x7f) {
return -2;
} else if (s->downcase_short_names) {
lfn->name[i + j] = qemu_tolower(c);
} else {
lfn->name[i + j] = c;
}
}
} else
lfn->name[i + j + 1] = '\0';

2
qapi-schema.json
View File

@ -949,7 +949,7 @@
# (only present if removable is true)
#
# @dirty-bitmaps: #optional dirty bitmaps information (only present if the
# driver has one or more dirty bitmaps) (Since 1.8)
# driver has one or more dirty bitmaps) (Since 2.0)
#
# @io-status: #optional @BlockDeviceIoStatus. Only present if the device
# supports it and the VM is configured to stop on errors

26
qemu-img.c
View File

@ -1135,8 +1135,7 @@ static int img_convert(int argc, char **argv)
const char *fmt, *out_fmt, *cache, *out_baseimg, *out_filename;
BlockDriver *drv, *proto_drv;
BlockDriverState **bs = NULL, *out_bs = NULL;
int64_t total_sectors, nb_sectors, sector_num, bs_offset,
sector_num_next_status = 0;
int64_t total_sectors, nb_sectors, sector_num, bs_offset;
uint64_t bs_sectors;
uint8_t * buf = NULL;
size_t bufsectors = IO_BUF_SIZE / BDRV_SECTOR_SIZE;
@ -1505,6 +1504,8 @@ static int img_convert(int argc, char **argv)
/* signal EOF to align */
bdrv_write_compressed(out_bs, 0, NULL, 0);
} else {
int64_t sectors_to_read, sectors_read, sector_num_next_status;
bool count_allocated_sectors;
int has_zero_init = min_sparse ? bdrv_has_zero_init(out_bs) : 0;
if (!has_zero_init && bdrv_can_write_zeroes_with_unmap(out_bs)) {
@ -1515,12 +1516,21 @@ static int img_convert(int argc, char **argv)
has_zero_init = 1;
}
sectors_to_read = total_sectors;
count_allocated_sectors = progress && (out_baseimg || has_zero_init);
restart:
sector_num = 0; // total number of sectors converted so far
nb_sectors = total_sectors - sector_num;
sectors_read = 0;
sector_num_next_status = 0;
for(;;) {
nb_sectors = total_sectors - sector_num;
if (nb_sectors <= 0) {
if (count_allocated_sectors) {
sectors_to_read = sectors_read;
count_allocated_sectors = false;
goto restart;
}
ret = 0;
break;
}
@ -1586,8 +1596,14 @@ static int img_convert(int argc, char **argv)
}
n = MIN(n, bs_sectors - (sector_num - bs_offset));
n1 = n;
sectors_read += n;
if (count_allocated_sectors) {
sector_num += n;
continue;
}
n1 = n;
ret = bdrv_read(bs[bs_i], sector_num - bs_offset, buf, n);
if (ret < 0) {
error_report("error while reading sector %" PRId64 ": %s",
@ -1612,7 +1628,7 @@ static int img_convert(int argc, char **argv)
n -= n1;
buf1 += n1 * 512;
}
qemu_progress_print(100.0 * sector_num / total_sectors, 0);
qemu_progress_print(100.0 * sectors_read / sectors_to_read, 0);
}
}
out: