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author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-02-01 17:02:49 (GMT) |
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committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-03-08 08:12:49 (GMT) |
commit | 3c89f396dc78671cfbc1eb20ef1d5be6a9a02780 (patch) | |
tree | 6ed2ba3d484f8b92eed00b619128a79ecd094f4d /fs/ubifs/ubifs.h | |
parent | ca2ec61d157f23ec24aaa200f8016ea0a8aeb617 (diff) | |
download | linux-3c89f396dc78671cfbc1eb20ef1d5be6a9a02780.tar.xz |
UBIFS: introduce write-buffer size field
Currently we assume write-buffer size is always min_io_size. But
this is about to change and write-buffers may be of variable size.
Namely, they will be of max_write_size at the beginning, but will
get smaller when we are approaching the end of LEB.
This is a preparation patch which introduces 'size' field in
the write-buffer structure which carries the current write-buffer
size.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs/ubifs.h')
-rw-r--r-- | fs/ubifs/ubifs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 942c1d3..3624950 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -646,6 +646,7 @@ typedef int (*ubifs_lpt_scan_callback)(struct ubifs_info *c, * @offs: write-buffer offset in this logical eraseblock * @avail: number of bytes available in the write-buffer * @used: number of used bytes in the write-buffer + * @size: write-buffer size (in [@c->min_io_size, @c->max_write_size] range) * @dtype: type of data stored in this LEB (%UBI_LONGTERM, %UBI_SHORTTERM, * %UBI_UNKNOWN) * @jhead: journal head the mutex belongs to (note, needed only to shut lockdep @@ -680,6 +681,7 @@ struct ubifs_wbuf { int offs; int avail; int used; + int size; int dtype; int jhead; int (*sync_callback)(struct ubifs_info *c, int lnum, int free, int pad); |