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Author SHA1 Message Date
Jamie Liu 69afd0438e Return srclen in proc.idMapFileOperations.Write. 
PiperOrigin-RevId: 241037926
Change-Id: I4b0381ac1c7575e8b861291b068d3da22bc03850
 2019-03-29 13:16:46 -07:00
Jamie Liu 22d8b6eba1 Break /proc/[pid]/{uid,gid}_map's dependence on seqfile. 
In addition to simplifying the implementation, this fixes two bugs:

- seqfile.NewSeqFile unconditionally creates an inode with mode 0444,
  but {uid,gid}_map have mode 0644.

- idMapSeqFile.Write implements fs.FileOperations.Write ... but it
  doesn't implement any other fs.FileOperations methods and is never
  used as fs.FileOperations. idMapSeqFile.GetFile() =>
  seqfile.SeqFile.GetFile() uses seqfile.seqFileOperations instead,
  which rejects all writes.

PiperOrigin-RevId: 234638212
Change-Id: I4568f741ab07929273a009d7e468c8205a8541bc
 2019-02-19 11:21:46 -08:00