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From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date: Wed, 22 Jun 2016 12:44:49 +0300
Message-ID: <CABBYNZKjGWi9QKaaiXugEFBMxxvy58M4=4GAnCBjJcyCf9odfQ@mail.gmail.com>
Subject: Re: cache folder is never cleared
To: =?UTF-8?Q?Fran=C3=A7ois_Beaufort?= <beaufort.francois@gmail.com>
Cc: BlueZ development <linux-bluetooth@vger.kernel.org>
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Hi François,

On Tue, Jun 21, 2016 at 11:38 PM, François Beaufort
<beaufort.francois@gmail.com> wrote:
> I'm not 100% sure but il looks like my
> /var/lib/bluetooth/<adapter>/cache folder is never cleared.
> Is that on purpose?

Yes this is by design, this is to speed up things like showing the
actual name of devices in the discovery, if that becomes a problem you
can mount it with tmpfs and cleanup on every reboot.

> If not, could we make sure it doesn't grow too much by removing oldest ones?
>
> For info, here's my cache folder content:
>
> localhost A4:17:31:78:A6:04 # ls /var/lib/bluetooth/A4:17:31:78:A6:04/cache
> 00:02:72:1F:35:29  28:CF:E9:7A:31:59  64:89:9A:DD:0A:8E
> 9C:18:74:5D:4A:89  C0:7A:A5:01:53:07  D1:D2:D9:C1:BA:D5
> E6:5B:1E:4F:7C:4C
> 00:07:80:79:20:B7  30:A8:DB:47:84:64  64:9A:BE:83:10:50
> 9C:35:EB:50:55:FC  C1:64:9D:66:91:62  D3:C3:BD:41:6B:90
> E7:38:93:EC:05:9B
> 00:07:80:79:20:F6  38:2C:4A:2A:FF:E1  6C:2F:2C:AF:99:ED
> A4:17:31:78:B2:50  C1:DC:AB:13:00:1E  D3:D2:95:84:00:08
> E8:2A:EA:84:E0:76
> 00:07:80:79:21:19  3C:A1:0D:95:70:63  6C:40:08:BC:35:95
> A4:77:33:C8:F6:07  C1:EA:05:39:19:9C  D4:8C:61:C2:00:83
> E8:3A:12:EF:B6:7F
> 00:0A:9B:33:83:40  40:6F:2A:6E:D1:3B  70:48:0F:68:A6:13
> AC:7B:A1:B2:0D:DA  C2:F3:90:BC:72:F5  D5:9B:DF:CE:75:9A
> EA:F5:5C:B7:9F:2E
> 00:0A:9B:41:0E:39  44:5E:CD:80:00:79  74:1B:B2:DA:6F:76
> AC:9E:17:07:58:48  C4:E9:73:72:05:85  D5:DF:32:D8:60:B3
> F0:5A:09:F8:64:23
> 00:21:3C:91:02:C1  48:D2:24:FD:F4:37  74:45:8A:49:B4:F5
> AC:9E:17:E5:10:2B  C4:EC:FA:14:5B:A3  D6:A2:2D:7F:8E:C9
> F1:6F:DE:EC:F1:D6
> 00:22:D0:8B:3C:C9  48:D7:05:B6:13:6C  78:F8:82:4D:BC:84
> AC:E5:F0:00:19:1E  C5:2F:8F:29:ED:0C  D8:42:48:1F:92:17
> F4:0B:93:97:FB:B9
> 00:22:D0:9E:31:FD  50:F5:20:FA:9F:71  7C:E9:D3:EA:DF:4B
> AC:E5:F0:00:23:F9  C5:88:B9:87:62:15  DB:90:20:DA:92:7B
> F4:B7:E2:E6:38:4A
> 00:4D:32:02:C3:0D  54:60:09:E6:8F:D7  7C:EC:79:51:3A:2A
> AC:E6:4B:04:EF:65  C6:A4:9E:8F:60:A2  DE:C9:44:E8:97:33
> F4:B7:E2:E6:6B:19
> 00:80:25:11:28:F4  54:79:75:BE:95:88  88:0F:10:95:88:F0
> AC:E6:4B:05:88:2D  C8:85:73:DB:B7:92  DF:78:A8:84:34:13
> F8:16:54:E4:86:B6
> 08:D4:2B:E4:E3:33  5C:31:3E:80:1A:FF  88:0F:10:9D:EB:42
> AC:E6:4B:05:FE:03  C9:1A:BB:EA:01:D0  E0:06:E6:BA:77:B2
> FB:1F:30:C2:94:EA
> 08:DF:1F:53:74:69  5C:70:A3:F2:32:BC  90:00:DB:02:2E:A4
> AC:E6:4B:06:00:CE  CA:0F:41:59:E4:AF  E0:AC:CB:8C:66:75
> FC:19:10:02:27:FA
> 08:DF:1F:C4:A9:C0  5C:70:A3:F2:32:F6  90:03:B7:AE:65:8B
> AC:E6:4B:06:1A:7A  CA:54:48:65:A6:45  E3:60:DB:26:74:69
> FC:92:3B:76:B8:E7
> 18:7A:93:34:E4:A7  5C:70:A3:F2:47:81  94:00:70:2B:B7:5C
> AC:E6:4B:07:A7:3E  CC:07:AB:D9:70:AA  E4:0F:25:40:BB:93
> FC:ED:57:43:91:CE
> 1C:62:B8:9D:8A:63  5C:C5:D4:00:55:3B  94:00:70:D3:94:93
> AC:E6:4D:05:8E:32  CD:36:32:47:CA:1C  E5:5A:DC:17:76:3B
> FD:96:48:A8:F6:07
> 1C:CB:99:C0:E4:8D  60:03:08:9A:B8:BD  94:65:9C:7C:81:97
> B0:E0:3C:3D:8C:91  CD:85:5C:A1:D2:70  E5:9F:8D:EE:61:57
> FF:41:69:34:16:E1
> 1C:CB:99:F4:46:DD  61:85:60:56:62:60  98:4F:EE:05:B3:7B
> B8:5A:73:53:A3:FC  D0:65:68:C3:6E:88  E5:FC:57:99:32:23
> FF:BA:16:65:6C:78
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-- 
Luiz Augusto von Dentz