• Jan Kara's avatar
    ext4: move quota initialization out of inode allocation transaction · eb9cc7e1
    Jan Kara authored
    
    
    Inode allocation transaction is pretty heavy (246 credits with quotas
    and extents before previous patch, still around 200 after it).  This is
    mostly due to credits required for allocation of quota structures
    (credits there are heavily overestimated but it's difficult to make
    better estimates if we don't want to wire non-trivial assumptions about
    quota format into filesystem).
    
    So move quota initialization out of allocation transaction. That way
    transaction for quota structure allocation will be started only if we
    need to look up quota structure on disk (rare) and furthermore it will
    be started for each quota type separately, not for all of them at once.
    This reduces maximum transaction size to 34 is most cases and to 73 in
    the worst case.
    
    [ Modified by tytso to clean up the cleanup paths for error handling.
      Also use a separate call to ext4_std_error() for each failure so it
      is easier for someone who is debugging a problem in this function to
      determine which function call failed. ]
    Signed-off-by: default avatarJan Kara <jack@suse.cz>
    Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
    eb9cc7e1