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| author | Jeremy Kerr <jk@ozlabs.org> | 2013-10-01 12:27:35 +0800 |
|---|---|---|
| committer | Jeremy Kerr <jk@ozlabs.org> | 2013-10-01 12:52:00 +0800 |
| commit | 9fbd73a208c9465b4bf9e2c80c7290b72e62ead1 (patch) | |
| tree | a0e2899a65433c23105140ab8591b10c19325c32 /discover/parser.h | |
| parent | b86a7a0533c4d723ea940ac2071f845f165f832c (diff) | |
| download | talos-petitboot-9fbd73a208c9465b4bf9e2c80c7290b72e62ead1.tar.gz talos-petitboot-9fbd73a208c9465b4bf9e2c80c7290b72e62ead1.zip | |
discover: Add device_{request,release}_write
Add a pair of functions to the parser API to allow write access to the
underlying device. We'll use this in the GRUB2 parser to implement
environment persistence.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Diffstat (limited to 'discover/parser.h')
| -rw-r--r-- | discover/parser.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/discover/parser.h b/discover/parser.h index c1b4012..2aaa077 100644 --- a/discover/parser.h +++ b/discover/parser.h @@ -51,8 +51,17 @@ void parser_init(void); void iterate_parsers(struct discover_context *ctx, enum conf_method method); int parse_user_event(struct discover_context *ctx, struct event *event); +/* File IO functions for parsers; these should be the only interface that + * parsers use to access a device's filesystem. + * + * These are intended for small amounts of data, typically text configuration + * and state files. + */ int parser_request_file(struct discover_context *ctx, struct discover_device *dev, const char *filename, char **buf, int *len); +int parser_replace_file(struct discover_context *ctx, + struct discover_device *dev, const char *filename, + char *buf, int len); #endif /* _PARSER_H */ |
