Commits on Oct 14, 2024

1. Fix nativeimgutil.ConvertToRaw() …

   - Truncate before copying the data to eliminate the seeks during the
     copy. This also provides a hint to the file system that can minimize
     allocations and fragmentation of the file.
   
   - Avoid unneeded seeks during copy using WriteAt. This does not improve
     performance since practically all time is spent on reading from the
     source image.
   
   - Fix zero detection to handle short reads. Previously we would compare
     the entire buffer which can contain non-zero bytes from the previous
     read.
   
   - Fix write to handle short reads. Previously we would write the entire
     buffer including data from previous read, corrupting the image.
   
   - Fix error message for failed write. Looks like it was copied from the
     read branch.
   
   Signed-off-by: Nir Soffer <[email protected]>

   

   nirs committed Oct 14, 2024
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