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block/file-posix: introduce helper functions for sysfs attributes

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Use get_sysfs_str_val() to get the string value of device
zoned model. Then get_sysfs_zoned_model() can convert it to
BlockZoneModel type of QEMU.

Use get_sysfs_long_val() to get the long value of zoned device
information.

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230508045533.175575-3-faithilikerun@gmail.com
Message-id: 20230324090605.28361-3-faithilikerun@gmail.com
[Adjust commit message prefix as suggested by Philippe Mathieu-Daudé
<philmd@linaro.org>.
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Sam Li 2023-05-08 12:55:27 +08:00 • committed by Stefan Hajnoczi
parent 72ca800ec5
commit a735b56e49
2 changed files with 100 additions and 38 deletions
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3
include/block/block_int-common.h
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@ -862,6 +862,9 @@ typedef struct BlockLimits {
* an explicit monitor command to load the disk inside the guest).
*/
bool has_variable_length;
/* device zone model */
BlockZoneModel zoned;
} BlockLimits;
typedef struct BdrvOpBlocker BdrvOpBlocker;