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| author | Arpad Horvath <secracon@gmail.com> | 2014-02-14 16:42:27 -0800 |
|---|---|---|
| committer | JP Abgrall <jpa@google.com> | 2014-02-14 16:50:27 -0800 |
| commit | 80b435a3f35795600654e9705f4b3fbbcc427a9d (patch) | |
| tree | 4dd4f4f5cb43c520464070a8a3188691f652fab9 /base/errors_unix.cpp | |
| parent | d0307beeef57b9db06b82f1ffba746c5decb0b72 (diff) | |
sdcard: direct I/O file access fix
If a file is opened in direct I/O mode (with O_DIRECT flag),
the read buffer addess must be aligned to memory page size
boundary. The Direct I/O is not needed for normal files,
however, some special hardware access (e.g. smart SD cards)
will not work without it.
Change-Id: I42babeee86dba1880fd23e2592fddd7060da3e20
Diffstat (limited to 'base/errors_unix.cpp')
0 files changed, 0 insertions, 0 deletions