Changeset 20235a3 in mainline for uspace/srv/fs/fat/fat.h
- Timestamp:
- 2010-09-02T20:55:28Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 0c39b96
- Parents:
- 0c61955 (diff), 3249673 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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uspace/srv/fs/fat/fat.h
r0c61955 r20235a3 48 48 49 49 #define min(a, b) ((a) < (b) ? (a) : (b)) 50 51 /* 52 * Convenience macros for accessing some frequently used boot sector members. 53 */ 54 #define BPS(bs) uint16_t_le2host((bs)->bps) 55 #define SPC(bs) (bs)->spc 56 #define RSCNT(bs) uint16_t_le2host((bs)->rscnt) 57 #define FATCNT(bs) (bs)->fatcnt 58 #define SF(bs) uint16_t_le2host((bs)->sec_per_fat) 59 #define RDE(bs) uint16_t_le2host((bs)->root_ent_max) 60 #define TS(bs) (uint16_t_le2host((bs)->totsec16) != 0 ? \ 61 uint16_t_le2host((bs)->totsec16) : \ 62 uint32_t_le2host(bs->totsec32)) 50 63 51 64 #define BS_BLOCK 0 … … 198 211 unsigned refcnt; 199 212 bool dirty; 213 214 /* 215 * Cache of the node's last and "current" cluster to avoid some 216 * unnecessary FAT walks. 217 */ 218 /* Node's last cluster in FAT. */ 219 bool lastc_cached_valid; 220 fat_cluster_t lastc_cached_value; 221 /* Node's "current" cluster, i.e. where the last I/O took place. */ 222 bool currc_cached_valid; 223 aoff64_t currc_cached_bn; 224 fat_cluster_t currc_cached_value; 200 225 } fat_node_t; 201 226
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