diff options
| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-07-16 03:25:56 -0400 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-07-24 06:32:56 -0400 |
| commit | 85c6e6e28259e9b58b8984db536c45bc3161f40c (patch) | |
| tree | f389adfe74753f318290b45b7ce190421d18c48e /drivers/mtd/ubi/io.c | |
| parent | bb84c1a199558962edf4b4aeb4480fb09aa09b91 (diff) | |
UBI: amend commentaries
Hch asked not to use "unit" for sub-systems, let it be so.
Also some other commentaries modifications.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/io.c')
| -rw-r--r-- | drivers/mtd/ubi/io.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 4ac11df7b048..561e7b2f96cb 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c | |||
| @@ -20,15 +20,15 @@ | |||
| 20 | */ | 20 | */ |
| 21 | 21 | ||
| 22 | /* | 22 | /* |
| 23 | * UBI input/output unit. | 23 | * UBI input/output sub-system. |
| 24 | * | 24 | * |
| 25 | * This unit provides a uniform way to work with all kinds of the underlying | 25 | * This sub-system provides a uniform way to work with all kinds of the |
| 26 | * MTD devices. It also implements handy functions for reading and writing UBI | 26 | * underlying MTD devices. It also implements handy functions for reading and |
| 27 | * headers. | 27 | * writing UBI headers. |
| 28 | * | 28 | * |
| 29 | * We are trying to have a paranoid mindset and not to trust to what we read | 29 | * We are trying to have a paranoid mindset and not to trust to what we read |
| 30 | * from the flash media in order to be more secure and robust. So this unit | 30 | * from the flash media in order to be more secure and robust. So this |
| 31 | * validates every single header it reads from the flash media. | 31 | * sub-system validates every single header it reads from the flash media. |
| 32 | * | 32 | * |
| 33 | * Some words about how the eraseblock headers are stored. | 33 | * Some words about how the eraseblock headers are stored. |
| 34 | * | 34 | * |
| @@ -79,11 +79,11 @@ | |||
| 79 | * 512-byte chunks, we have to allocate one more buffer and copy our VID header | 79 | * 512-byte chunks, we have to allocate one more buffer and copy our VID header |
| 80 | * to offset 448 of this buffer. | 80 | * to offset 448 of this buffer. |
| 81 | * | 81 | * |
| 82 | * The I/O unit does the following trick in order to avoid this extra copy. | 82 | * The I/O sub-system does the following trick in order to avoid this extra |
| 83 | * It always allocates a @ubi->vid_hdr_alsize bytes buffer for the VID header | 83 | * copy. It always allocates a @ubi->vid_hdr_alsize bytes buffer for the VID |
| 84 | * and returns a pointer to offset @ubi->vid_hdr_shift of this buffer. When the | 84 | * header and returns a pointer to offset @ubi->vid_hdr_shift of this buffer. |
| 85 | * VID header is being written out, it shifts the VID header pointer back and | 85 | * When the VID header is being written out, it shifts the VID header pointer |
| 86 | * writes the whole sub-page. | 86 | * back and writes the whole sub-page. |
| 87 | */ | 87 | */ |
| 88 | 88 | ||
| 89 | #include <linux/crc32.h> | 89 | #include <linux/crc32.h> |