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Hi! > Giving the O_COW flag to open() will return a special error, if > IS_COW(inode) and write permissions are expressed or implied. COW-aware > applications may set this flag and deal with this error according to > some user defined policy. This will not change the semantics of any > existing application or affect any kernel user of open_namei(); nor does > it affect future applications unless they use O_COW. Filesystem level > code is unimplemented except for an ext2 example. Can you give us overview how this is used? COW for ext2 seems nice... Is the plan to allow cp -a --cow linux linux.new ? Pavel -- Thanks for all the (sleeping) penguins. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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