Qiuyang Wu <Qiuyang.Wu@xxxxxxxxxxxx> writes: > Hi All, > > Are there any known bugs with pread/pwrite on RHEL Linux when the disk > partition is close to full? > > Reduced a complex application fatal down to a simple program just > opens a regular file and performs 1M sequential pwrite() of size 8KB > blocks; at every 100th write, does a pread() to load the very first > 8KB block and validate its content still matching what was originally > written. Could you attach your test program, please? > BEHAVIOR: pwrite() works for many iterations, then pread() suddenly > returns data of the requested size but filled with 0's, and strerror > shows errno="No such file or directory", condition > if(size_to_read != pread(fd, buf, size_to_read, ...)) ... > is not triggered and application has to check errno immediately after > every call to pread. The value of errno is undefined if the pread call did not return -1. Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
