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| author | Frans Kaashoek <kaashoek@mit.edu> | 2016-08-25 09:13:00 -0400 |
|---|---|---|
| committer | Frans Kaashoek <kaashoek@mit.edu> | 2016-08-25 09:13:00 -0400 |
| commit | 7894fcd21732dd2ddfbb9beca52d037a62ed11f4 (patch) | |
| tree | eabcfc4f08613dcf7c35e58d9425f02c4c65224f /bio.c | |
| parent | 6de6a3c952dc8786619bd052e26e6bc1c97be2e6 (diff) | |
| download | xv6-labs-7894fcd21732dd2ddfbb9beca52d037a62ed11f4.tar.gz xv6-labs-7894fcd21732dd2ddfbb9beca52d037a62ed11f4.tar.bz2 xv6-labs-7894fcd21732dd2ddfbb9beca52d037a62ed11f4.zip | |
Remove trailing white space with:
for f in *.{h,c}; do sed -i .sed 's/[[:blank:]]*$//' $f; done
(Thanks to Nicolás Wolovick)
Diffstat (limited to 'bio.c')
| -rw-r--r-- | bio.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -4,7 +4,7 @@ // cached copies of disk block contents. Caching disk blocks // in memory reduces the number of disk reads and also provides // a synchronization point for disk blocks used by multiple processes. -// +// // Interface: // * To get a buffer for a particular disk block, call bread. // * After changing buffer data, call bwrite to write it to disk. @@ -12,10 +12,10 @@ // * Do not use the buffer after calling brelse. // * Only one process at a time can use a buffer, // so do not keep them longer than necessary. -// +// // The implementation uses three state flags internally: // * B_BUSY: the block has been returned from bread -// and has not been passed back to brelse. +// and has not been passed back to brelse. // * B_VALID: the buffer data has been read from the disk. // * B_DIRTY: the buffer data has been modified // and needs to be written to disk. |