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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-05-14 15:21:30 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-05-15 10:01:42 +0200 |
| commit | 53da07e436df21f078de665d90442ee5c7166ab7 (patch) | |
| tree | 0249d3ca4e181c677f243907a754dd1e8518bb36 /cpukit/libblock | |
| parent | Filesystem: Add shared device IO support (diff) | |
| download | rtems-53da07e436df21f078de665d90442ee5c7166ab7.tar.bz2 | |
Filesystem: PR1255: Move offset update to handlers
It is now the responsibility of the read() and write() handler to update
the offset field of the IO descriptor (rtems_libio_t). This change
makes it possible to protect the IO descriptor from concurrent access by
per file locks.
Diffstat (limited to 'cpukit/libblock')
| -rw-r--r-- | cpukit/libblock/src/blkdev-imfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cpukit/libblock/src/blkdev-imfs.c b/cpukit/libblock/src/blkdev-imfs.c index 86455930f6..c69542d531 100644 --- a/cpukit/libblock/src/blkdev-imfs.c +++ b/cpukit/libblock/src/blkdev-imfs.c @@ -75,6 +75,7 @@ static ssize_t rtems_blkdev_imfs_read( } if (remaining >= 0) { + iop->offset += count; rv = (ssize_t) count; } else { errno = EIO; @@ -134,6 +135,7 @@ static ssize_t rtems_blkdev_imfs_write( } if (remaining >= 0) { + iop->offset += count; rv = (ssize_t) count; } else { errno = EIO; |