9ad8979ff
Denys Vlasenko
2012-06-26
Subject
mount: support strictatime option. Closes 5240
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Commit Diff GitHub →
util-linux/mount.c+9 -1
| @@ -113,6 +113,12 @@ | |
| #ifndef MS_RELATIME | |
| # define MS_RELATIME (1 << 21) | |
| #endif | |
| + | #ifndef MS_STRICTATIME |
| + | # define MS_STRICTATIME (1 << 24) |
| + | #endif |
| + | |
| + | /* Any ~MS_FOO value has this bit set: */ |
| + | #define BB_MS_INVERTED_VALUE (1u << 31) |
| #include "libbb.h" | |
| #if ENABLE_FEATURE_MOUNT_LABEL | |
| @@ -240,6 +246,7 @@ static const int32_t mount_options[] = { | |
| /* "nomand" */ ~MS_MANDLOCK, | |
| /* "relatime" */ MS_RELATIME, | |
| /* "norelatime" */ ~MS_RELATIME, | |
| + | /* "strictatime" */ MS_STRICTATIME, |
| /* "loud" */ ~MS_SILENT, | |
| /* "rbind" */ MS_BIND|MS_RECURSIVE, | |
| @@ -297,6 +304,7 @@ static const char mount_option_str[] = | |
| "nomand\0" | |
| "relatime\0" | |
| "norelatime\0" | |
| + | "strictatime\0" |
| "loud\0" | |
| "rbind\0" | |
| @@ -473,7 +481,7 @@ static unsigned long parse_mount_options(char *options, char **unrecognized) | |
| && (options[opt_len] == '\0' || options[opt_len] == '=') | |
| ) { | |
| unsigned long fl = mount_options[i]; | |
| - | if ((long)fl < 0) |
| + | if (fl & BB_MS_INVERTED_VALUE) |
| flags &= fl; | |
| else | |
| flags |= fl; | |