diff options
Diffstat (limited to 'cpukit/libfs/src/rfs/rtems-rfs-buffer.c')
| -rw-r--r-- | cpukit/libfs/src/rfs/rtems-rfs-buffer.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/cpukit/libfs/src/rfs/rtems-rfs-buffer.c b/cpukit/libfs/src/rfs/rtems-rfs-buffer.c index 43fb586895..ea5cbb3fb3 100644 --- a/cpukit/libfs/src/rfs/rtems-rfs-buffer.c +++ b/cpukit/libfs/src/rfs/rtems-rfs-buffer.c @@ -41,7 +41,7 @@ rtems_rfs_scan_chain (rtems_chain_control* chain, { rtems_rfs_buffer* buffer; rtems_chain_node* node; - + node = rtems_chain_last (chain); if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_CHAINS)) @@ -81,7 +81,7 @@ rtems_rfs_buffer_handle_request (rtems_rfs_file_system* fs, bool read) { int rc; - + /* * If the handle has a buffer release it. This allows a handle to be reused * without needing to close then open it again. @@ -158,7 +158,7 @@ rtems_rfs_buffer_handle_request (rtems_rfs_file_system* fs, rtems_rfs_buffer_mark_dirty (handle); } } - + /* * If not located we request the buffer from the I/O layer. */ @@ -183,15 +183,15 @@ rtems_rfs_buffer_handle_request (rtems_rfs_file_system* fs, rtems_rfs_buffer_refs_up (handle); rtems_chain_append (&fs->buffers, rtems_rfs_buffer_link (handle)); fs->buffers_count++; - + handle->buffer->user = (void*) ((intptr_t) block); handle->bnum = block; - + if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_HANDLE_REQUEST)) printf ("rtems-rfs: buffer-request: block=%" PRIu32 " bdbuf-%s=%" PRIu32 " refs=%d\n", block, read ? "read" : "get", handle->buffer->block, handle->buffer->references); - + return 0; } @@ -200,7 +200,7 @@ rtems_rfs_buffer_handle_release (rtems_rfs_file_system* fs, rtems_rfs_buffer_handle* handle) { int rc = 0; - + if (rtems_rfs_buffer_handle_has_block (handle)) { if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_HANDLE_RELEASE)) @@ -212,12 +212,12 @@ rtems_rfs_buffer_handle_release (rtems_rfs_file_system* fs, if (rtems_rfs_buffer_refs (handle) > 0) rtems_rfs_buffer_refs_down (handle); - + if (rtems_rfs_buffer_refs (handle) == 0) { rtems_chain_extract (rtems_rfs_buffer_link (handle)); fs->buffers_count--; - + if (rtems_rfs_fs_no_local_cache (fs)) { handle->buffer->user = (void*) 0; @@ -240,11 +240,11 @@ rtems_rfs_buffer_handle_release (rtems_rfs_file_system* fs, { rtems_rfs_buffer* buffer; bool modified; - + if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_HANDLE_RELEASE)) printf ("rtems-rfs: buffer-release: local cache overflow:" " %" PRIu32 "\n", fs->release_count + fs->release_modified_count); - + if (fs->release_count > fs->release_modified_count) { buffer = (rtems_rfs_buffer*) rtems_chain_get (&fs->release); @@ -261,7 +261,7 @@ rtems_rfs_buffer_handle_release (rtems_rfs_file_system* fs, buffer->user = (void*) 0; rc = rtems_rfs_buffer_io_release (buffer, modified); } - + if (rtems_rfs_buffer_dirty (handle)) { rtems_chain_append (&fs->release_modified, @@ -277,7 +277,7 @@ rtems_rfs_buffer_handle_release (rtems_rfs_file_system* fs, } handle->buffer = NULL; } - + return rc; } @@ -288,7 +288,7 @@ rtems_rfs_buffer_open (const char* name, rtems_rfs_file_system* fs) if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_SYNC)) printf ("rtems-rfs: buffer-open: opening: %s\n", name); - + if (stat (name, &st) < 0) { if (rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_OPEN)) @@ -333,7 +333,7 @@ rtems_rfs_buffer_open (const char* name, rtems_rfs_file_system* fs) printf ("rtems-rfs: buffer-open: blks=%" PRId32 ", blk-size=%" PRId32 "\n", rtems_rfs_fs_media_blocks (fs), rtems_rfs_fs_media_block_size (fs)); - + return 0; } @@ -354,7 +354,7 @@ rtems_rfs_buffer_close (rtems_rfs_file_system* fs) if ((rc > 0) && rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_CLOSE)) printf ("rtems-rfs: buffer-close: set media block size failed: %d: %s\n", rc, strerror (rc)); - + #if RTEMS_RFS_USE_LIBBLOCK rtems_disk_release (fs->disk); #else @@ -366,7 +366,7 @@ rtems_rfs_buffer_close (rtems_rfs_file_system* fs) rc, strerror (rc)); } #endif - + return rc; } @@ -418,12 +418,12 @@ rtems_rfs_buffer_setblksize (rtems_rfs_file_system* fs, size_t size) if ((rc > 0) && rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_SETBLKSIZE)) printf ("rtems-rfs: buffer-setblksize: buffer release failed: %d: %s\n", rc, strerror (rc)); - + rc = rtems_rfs_buffer_sync (fs); if ((rc > 0) && rtems_rfs_trace (RTEMS_RFS_TRACE_BUFFER_SETBLKSIZE)) printf ("rtems-rfs: buffer-setblksize: device sync failed: %d: %s\n", rc, strerror (rc)); - + #if RTEMS_RFS_USE_LIBBLOCK rc = fs->disk->ioctl (fs->disk, RTEMS_BLKIO_SETBLKSIZE, &size); if (rc < 0) @@ -450,7 +450,7 @@ rtems_rfs_release_chain (rtems_chain_control* chain, (*count)--; buffer->user = (void*) 0; - + rc = rtems_rfs_buffer_io_release (buffer, modified); if ((rc > 0) && (rrc == 0)) rrc = rc; |