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Issue 312: added missing kernel mount options

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This patch adds the following mount options: 'nostrictatime',
'lazytime', and 'nolazytime'.

The MS_STRICTATIME mount flag already existed, and 'nostrictatime' was
listed along with 'strictatime' in the comments of parser/mount.cc, so
this patch adds a mapping for 'nostrictatime' to clear MS_STRICTATIME.

Additionally, the Linux kernel includes the 'lazytime' option with
MS_LAZYTIME mapping to (1<<25), so this patch adds MS_LAZYTIME to
parser/mount.h and the corresponding mappings in parser/mount.cc for
'lazytime' and 'nolazytime'.

Signed-off-by: Oliver Calder <oliver.calder@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Oliver Calder
2023-03-30 12:55:39 -05:00
committed by John Johansen
parent cacb812b58
commit bc64b824fa
2 changed files with 7 additions and 0 deletions
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6
parser/mount.cc
View File

@@ -139,6 +139,9 @@
* #define MS_STRICTATIME (1<<24) Always perform atime updates
* strictatime
* nostrictatime
* #define MS_LAZYTIME (1<<25) Update the on-disk [acm]times lazily
* lazytime
* nolazytime
* #define MS_NOSEC (1<<28)
* #define MS_BORN (1<<29)
* #define MS_ACTIVE (1<<30)
@@ -283,6 +286,9 @@ static struct mnt_keyword_table mnt_opts_table[] = {
{"iversion", MS_IVERSION, 0},
{"noiversion", 0, MS_IVERSION},
{"strictatime", MS_STRICTATIME, 0},
{"nostrictatime", 0, MS_STRICTATIME},
{"lazytime", MS_LAZYTIME, 0},
{"nolazytime", 0, MS_LAZYTIME},
{"user", 0, (unsigned int) MS_NOUSER},
{"nouser", (unsigned int) MS_NOUSER, 0},

1
parser/mount.h
View File

@@ -62,6 +62,7 @@
#define MS_IVERSION (1 << 23)
#define MS_NOIVERSION 0
#define MS_STRICTATIME (1 << 24)
#define MS_LAZYTIME (1 << 25)
#define MS_NOUSER (1 << 31)
#define MS_USER 0