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(root)/trunk/uspace/srv/fs/fat/fat_ops.c – Rev 3521

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Rev	Age	Author	Path	Log message
3521	5701 d 15 h	jermar	/trunk/uspace/	Move libfs_blockread(), block_get() and block_put() to libblock.
3519	5701 d 17 h	jermar	/trunk/uspace/srv/fs/fat/	Implementation of fat_node_sync().
3516	5701 d 19 h	jermar	/trunk/uspace/srv/fs/fat/	Pass the buffer holding the boot sector to the internal functions so that it doesn't have to be block_get()'ed in each function. The idea is that the boot block should be read by the top-level functions in fat_ops.c and passed down the call chain.
3513	5702 d 12 h	jermar	/trunk/uspace/srv/fs/fat/	Implementation of fat_append_clusters().
3506	5702 d 18 h	jermar	/trunk/uspace/srv/fs/fat/	Move functionality related to manipulatings file allocation tables to fat_fat.c.
3505	5702 d 19 h	jermar	/trunk/uspace/srv/fs/fat/	Move functionality related to FAT dentries to fat_dentry.c.
3503	5702 d 20 h	jermar	/trunk/uspace/srv/fs/fat/	Implementation of fat_alloc_clusters().
3501	5703 d 12 h	jermar	/trunk/uspace/srv/fs/fat/	Implementation of fat_fill_gap().
3500	5703 d 14 h	jermar	/trunk/uspace/srv/fs/fat/	More complete prototype of fat_write().
3499	5703 d 17 h	jermar	/trunk/uspace/srv/fs/fat/	Mark progress in fat_write().
3497	5703 d 21 h	jermar	/trunk/uspace/srv/fs/fat/	Dummy fat_write().
3352	5767 d 12 h	jermar	/trunk/uspace/srv/	Add reference to the mounted FS root. This makes it possible to keep the FS root logically unlinked (i.e. lnkcnt == 0) because it prevents VFS from attempting to destroy it during closedir().
3335	5771 d 11 h	jermar	/trunk/uspace/srv/fs/fat/	Support for readdir() on FAT.
3325	5774 d 12 h	jermar	/trunk/uspace/srv/fs/fat/	Determine the size of a directory node by walking the FAT and counting clusters. This eliminates the hardcoded limit on the number of directory entries.
3314	5775 d 12 h	jermar	/trunk/uspace/srv/fs/fat/	fat_read() should expect IPC_M_DATA_READ instead of IPC_M_DATA_WRITE.
3312	5775 d 13 h	jermar	/trunk/uspace/srv/fs/fat/	When removing a FAT node from the ffn list, use the correct pointer instead of an uninitialized one.
3308	5777 d 11 h	jermar	/trunk/uspace/srv/fs/fat/	More complete fat_read().
3307	5777 d 13 h	jermar	/trunk/uspace/srv/fs/fat/	Dummy implementation of fat_read().
3282	5779 d 9 h	jermar	/trunk/uspace/srv/fs/fat/	FAT dentry type used for subdirectories doesn't store the directory size in the 'size' field. Introduce a simple workaround that will let us have 64 directory entries at maximum.
3272	5779 d 23 h	jermar	/trunk/uspace/srv/fs/fat/	Several fixes for the FAT file system: - do not copy padding during file name canonization - properly nul-terminate the FAT file name during canonization - compare FAT file name and the component name case insensitively - block_get() takes a block offset, not byte offset as parameter
3257	5780 d 22 h	jermar	/trunk/uspace/srv/fs/fat/	First attempt at delivering the FAT16 read-only support. Needless to say it doesn't work yet, but now it's only the lurking bugs that need to be fixed.
3253	5782 d 10 h	jermar	/trunk/uspace/srv/fs/fat/	Pass block size to block_get() in the last argument.
3119	5843 d 17 h	jermar	/trunk/uspace/srv/fs/fat/	Initialize in-core FAT root directory node during mount.
3110	5844 d 12 h	jermar	/trunk/uspace/srv/fs/fat/	Initialize global FAT IDX structures when the FAT server starts and initialize per-file system FAT IDX structures when a file system gets mounted.
2953	5864 d 11 h	jermar	/trunk/uspace/srv/fs/fat/	Add synchronization to fat_match().
2951	5864 d 12 h	jermar	/trunk/uspace/srv/fs/fat/	Add locks to FAT index structures, FAT in-core node structures. Add futex to protect the list of free cached FAT in-core nodes. Make fat_node_get() and fat_node_put() and some other functions aware of these new locks.
2910	5869 d 16 h	jermar	/trunk/uspace/srv/fs/fat/	Implement fat_node_put() and remove the node from the free node list when bumping its refernce count from zero in fat_node_get().
2893	5870 d 21 h	jermar	/trunk/uspace/srv/fs/fat/	More bits of fat_node_get(). Still needs to do some locking.
2891	5873 d 10 h	jermar	/trunk/uspace/srv/fs/fat/	New first bits of fat_node_get().
2890	5873 d 13 h	jermar	/trunk/uspace/srv/fs/fat/	Need a way to locate the FAT index structure by VFS index. Also fix code that locates the FAT index structure by position in the file system namespace.
2881	5877 d 16 h	jermar	/trunk/uspace/srv/fs/fat/	Code for de/allocation of VFS indices for FAT.
2876	5877 d 19 h	jermar	/trunk/uspace/srv/fs/fat/	Add a dedicated source file for handling FAT indices.
2864	5891 d 9 h	jermar	/trunk/uspace/srv/fs/fat/	Introduce the foundation for unique and stable FAT VFS node indices. The first two reserved FAT entries are physically present in each FAT, so fix the code to be aware of this.
2863	5891 d 21 h	jermar	/trunk/uspace/	Revert libfs node_get() API to a model without the parent node pointer argument.
2859	5897 d 2 h	jermar	/trunk/uspace/srv/fs/fat/	Add fat_block_get().
2858	5897 d 5 h	jermar	/trunk/uspace/	libfs destroy operation should rather return an error code instead of a truth value.
2857	5897 d 5 h	jermar	/trunk/uspace/	Add stubs for unimplemented FAT libfs operations.
2856	5897 d 5 h	jermar	/trunk/uspace/srv/fs/fat/	Add a locking scheme for FAT in-core cache and nodes.
2855	5897 d 6 h	jermar	/trunk/uspace/srv/fs/fat/	fat_node_put(). No locking so far.
2852	5898 d 3 h	jermar	/trunk/uspace/	Add node_put() to libfs operations and instrument libfs_lookup() to use it at appropriate places. Add node_put() to libfs operations and instrument libfs_lookup() to use it at appropriate places. Add node_put() to libfs operations and instrument libfs_lookup() to use it at appropriate places. Add node_put() to libfs operations and instrument libfs_lookup() to use it at appropriate places. Add node_put() to libfs operations and instrument libfs_lookup() to use it at appropriate places. Add node_put() to libfs operations and instrument libfs_lookup() to use it at appropriate places.