Abstract
Constructing flash memory based storage, FTL (Flash Translation Layer) manages mapping between logical address and physical address. Since FTL writes every data to new region by its mapping method, the previous data is not overwritten by new write operation. When a journaling file system is set up upon FTL, it duplicates data between the journal region and its home location for the file system consistency. However, the duplication degrades the performance. In this paper, we present an efficient journal remap-based FTL. The proposed FTL, called JFTL, eliminates the redundant data duplication by remapping the journal region data path to home location of file system. Thus, our JFTL can prevent from degrading write performance of file system while preserving file system consistency. © Springer-Verlag Berlin Heidelberg 2007.
Cite
CITATION STYLE
Lim, S. H., Choi, H. J., & Park, K. H. (2007). Journal remap-based FTL for journaling file system with flash memory. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4782 LNCS, pp. 192–203). Springer Verlag. https://doi.org/10.1007/978-3-540-75444-2_23
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