diff options
Diffstat (limited to 'nuttx/fs/nxffs/nxffs.h')
| -rw-r--r-- | nuttx/fs/nxffs/nxffs.h | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/nuttx/fs/nxffs/nxffs.h b/nuttx/fs/nxffs/nxffs.h index 9ed65cf67..912e0db92 100644 --- a/nuttx/fs/nxffs/nxffs.h +++ b/nuttx/fs/nxffs/nxffs.h @@ -259,21 +259,7 @@ struct nxffs_wrfile_s struct nxffs_ofile_s ofile; - /* The following fields are required to support the current write - * operation. - * - * 1. Inode header location determined (but not yet written). - * 2. Block header location determined (but not yet written). - * 3. Check FLASH memory to make sure that it is erased. - * 4. As data is written, datlen is updated and the data is written to FLASH. - * 5. If the end of the FLASH block is encountered, the data block CRC is - * calculated and the block header is also written to flash. - * 6. When the file is closed, the final, partial data block is written to - * FLASH in the same way. Any previously identified file with the same - * name is deleted. The final file size is determined, the header - * CRC is calculated, and the inode header is written to FLASH, completing - * the write operation. - */ + /* The following fields are required to support the write operation */ bool truncate; /* Delete a file of the same name */ uint16_t datlen; /* Number of bytes written in data block */ @@ -287,8 +273,8 @@ struct nxffs_volume_s { FAR struct mtd_dev_s *mtd; /* Supports FLASH access */ sem_t exclsem; /* Used to assure thread-safe access */ + sem_t wrsem; /* Enforces single writer restriction */ struct mtd_geometry_s geo; /* Device geometry */ - uint8_t wrbusy: 1; /* 1: Volume open for writing */ uint8_t blkper; /* R/W blocks per erase block */ uint8_t ncached; /* Number of blocks in cache */ uint16_t iooffset; /* Next offset in read/write access (in ioblock) */ |