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| author | pjd <pjd@FreeBSD.org> | 2005-08-13 17:45:37 +0000 |
|---|---|---|
| committer | pjd <pjd@FreeBSD.org> | 2005-08-13 17:45:37 +0000 |
| commit | fdcfb5ee7a592f5fd0faa4b0ad18d0d682267122 (patch) | |
| tree | 7ff5d8bdaf868154e5a326005a47eaacc9119c16 /sys/geom/eli/g_eli.c | |
| parent | 4cfaf1334b5988174125ec9aa3e33c2562a805df (diff) | |
| download | FreeBSD-src-fdcfb5ee7a592f5fd0faa4b0ad18d0d682267122.zip FreeBSD-src-fdcfb5ee7a592f5fd0faa4b0ad18d0d682267122.tar.gz | |
Because code paths for I/O requests are quite complex, add comments above
the functions which participate in I/O paths.
MFC after: 1 day
Diffstat (limited to 'sys/geom/eli/g_eli.c')
| -rw-r--r-- | sys/geom/eli/g_eli.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/geom/eli/g_eli.c b/sys/geom/eli/g_eli.c index e0bf1d1..f57aa38 100644 --- a/sys/geom/eli/g_eli.c +++ b/sys/geom/eli/g_eli.c @@ -135,6 +135,8 @@ g_eli_crypto_rerun(struct cryptop *crp) /* * The function is called afer reading encrypted data from the provider. + * + * g_eli_start -> g_io_request -> G_ELI_READ_DONE -> g_eli_crypto_run -> g_eli_crypto_read_done -> g_io_deliver */ static void g_eli_read_done(struct bio *bp) @@ -181,6 +183,8 @@ g_eli_read_done(struct bio *bp) /* * The function is called after we read and decrypt data. + * + * g_eli_start -> g_io_request -> g_eli_read_done -> g_eli_crypto_run -> G_ELI_CRYPTO_READ_DONE -> g_io_deliver */ static int g_eli_crypto_read_done(struct cryptop *crp) @@ -224,6 +228,8 @@ g_eli_crypto_read_done(struct cryptop *crp) /* * The function is called after we encrypt and write data. + * + * g_eli_start -> g_eli_crypto_run -> g_eli_crypto_write_done -> g_io_request -> G_ELI_WRITE_DONE -> g_io_deliver */ static void g_eli_write_done(struct bio *bp) @@ -252,6 +258,8 @@ g_eli_write_done(struct bio *bp) /* * The function is called after data encryption. + * + * g_eli_start -> g_eli_crypto_run -> G_ELI_CRYPTO_WRITE_DONE -> g_io_request -> g_eli_write_done -> g_io_deliver */ static int g_eli_crypto_write_done(struct cryptop *crp) @@ -329,6 +337,10 @@ g_eli_orphan(struct g_consumer *cp) g_eli_destroy(sc, 1); } +/* + * BIO_READ : G_ELI_START -> g_io_request -> g_eli_read_done -> g_eli_crypto_run -> g_eli_crypto_read_done -> g_io_deliver + * BIO_WRITE: G_ELI_START -> g_eli_crypto_run -> g_eli_crypto_write_done -> g_io_request -> g_eli_write_done -> g_io_deliver + */ static void g_eli_start(struct bio *bp) { |
